Dr. Caleb Kallen, United States
     
4.6
Consultations 39
Reproductive Medicine
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Doctor Introduction

Dr. Caleb Kallen, United States


Caleb Kallen, M.D., Ph.D., FACOG, earned his medical degree and a Ph.D. in molecular and cellular biology from the University of Pennsylvania. He completed his OB/GYN residency at the Hospital of the University of Pennsylvania in Philadelphia and subspecialty training in REI at Yale University in New Haven, Connecticut. He then served 7 years as an assistant professor at Emory University before becoming an associate professor at Thomas Jefferson University, where he was promoted to Director of REI. As a full-time academic physician, he conducted NIH-funded basic biomedical research, received numerous teaching awards, and built an active clinical practice.

Dr. Kallen specializes in diagnosing and treating infertility, including IVF, ovulation induction with IUI, donor egg treatment, endometriosis, PCOS, and preimplantation genetic diagnosis. He uses current clinical data, advanced technology, and extensive experience to optimize pregnancy rates while minimizing patient stress through supportive care.

Dr. Kallen is a member of ASRM, SREI, the Society for Reproductive Investigation, and ACOG.

Raised in West Philadelphia, Dr. Kallen is married with three children and enjoys home repair except painting, woodworking, the NFL, cooking, and eating.


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Location and Hours
2901 Emrick Blvd Ste 102, Bethlehem, PA 18020, United States
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  • Monday

    07: 00 - 16: 00

  • Tuesday

    07: 00 - 16: 00

  • Wednesday

    07: 00 - 16: 00

  • Thursday

    07: 00 - 16: 00

  • Friday

    07: 00 - 16: 00

  • Saturday

    Closed

  • Sunday

    Closed

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    Affiliated Clinics
    Shady Grove Fertility in Bethlehem, PA, United States
         
    • Reproductive Medicine
    Hours: 07: 00 - 16: 00
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    Shady Grove Fertility in Philadelphia, PA, United States
         
    • Reproductive Medicine
    Hours: 07: 00 - 16: 00
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    3.9

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    Featured Reviews
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    Jun 24, 2025
    I would give them a million stars if I could! After years of unsuccessful treatment at another clinic, I came to Shady Grove for a second opinion from Dr. B. After the first consultation, I knew I had made the right choice. The Shady Grove team never gave up on me and kept working to find answers. Communication was always excellent. I was scheduled to graduate, and I love the Shady Grove team so much!
    Jun 20, 2025
    My wife Nadia and I had been trying to conceive for a year and a half. From the beginning, we clicked with Dr. Budinetz because of her honesty, her understanding when we needed to cry, and the support she gave us. We dove in with scans, bloodwork, stimulation medication, and more. Yes, it was a little stressful, but we did not mind because we knew what we wanted—our little family. Her team was wonderful, from Mariah's charm to Molly's lively personality, Ashley's honesty, and of course our New York cousin Adam :) The lab technicians were also always friendly and kind! They gave us hope and a reason to keep coming even on days when work and school left us exhausted. Needless to say, we were very nervous about our first FET, but with their continued support, we ultimately succeeded, thanks to Shady Grove's outstanding teamwork, positive energy, and my body recovering when it needed to. We will be forever grateful! They have become part of our extended family. It was truly a pleasure working with them!
    Jun 5, 2025
    I cannot say enough good things about Dr. B and the entire Shady Grove Bethlehem team. Coping with secondary infertility was one of the hardest periods of my life, and their smiles, patience, attention to detail, and kindness made it much easier. I am deeply grateful that they accompanied me throughout this journey. I highly recommend this team.
    May 30, 2025
    My experience with SGF has been amazing so far. I am grateful I chose them to accompany me on this journey. From the first phone call, I knew I had made the right decision. Every staff member is wonderful! Adam, Mariah, and Molly made this journey possible for me, and I will always be grateful.
    May 29, 2025
    For the past six months, SGF has been my strongest support system. Before SGF, I had consulted other clinics and had a terrible experience. After hearing many positive reviews, I ultimately chose SGF, and I am now so glad I did. The entire SGF Bethlehem team and Dr. Budinetz are wonderful. The nurses at this clinic are genuinely kind and compassionate. Their touch is like magic! Special thanks to Molly Prince, who was my nurse for most of my fertility journey. She and the two lovely women who took my vital signs at each appointment hold a very special place in my heart. If you need fertility treatment but are hesitant, take this as a message from someone who prayed for help for three years. SGF will not disappoint you. Thank you, SGF, for everything you have done for me!
    Jul 29, 2025
    Dr. B and her entire team at Shady Grove are amazing! We were devastated after being diagnosed with unexplained infertility, but meeting Dr. B restored our hope. The Shady Grove staff did everything possible to support us. No matter how many setbacks we faced, they offered encouragement and positivity. Throughout treatment, the staff answered our questions and stayed in touch. I recommend Shady Grove to anyone dealing with infertility. We are now holding our newborn and know this might not have been possible without them. Thank you, Shady Grove!
    Aug 31, 2025
    I left them a voicemail. It has been 4 days, and I still have not received a response.
    Oct 11, 2025
    After several unpleasant experiences in another network, I switched here. The difference was remarkable. I primarily used the Shady Grove Bethlehem office, where everyone was wonderful. Adam at reception always made me feel welcome on arrival, and the laboratory technicians were consistently kind and made testing easy. Dr. B, Molly, and everyone else—you are all amazing! Thank you for helping me throughout this journey. Words cannot express how outstanding you are. Thank you!
    Oct 9, 2025
    I highly recommend Shady Grove to anyone facing fertility problems. It is frightening, but everyone at the Bethlehem office is helpful and kind and supports you throughout. There is a great deal of information, but their process is excellent and explained thoroughly, making you feel heard and able to understand what is happening. Today was my last appointment. Although excited to graduate, I was sad not to keep seeing everyone because being so well cared for is very reassuring. Well done, Shady Grove!
    Oct 8, 2025
    Dr. Tera B. is a valuable asset to SGF.
    Sep 20, 2025
    I struggled with unexplained secondary infertility for over a decade. After four IUI cycles at another clinic, I found Dr. B and am very grateful I did. From our first consultation, she was optimistic and positive. I knew she would do everything possible to make my dream of a second child come true. After joining her clinic, we decided to proceed directly to IVF and chose the shared-risk program. The process was long, but her team made it very easy. I consulted in May and began my first cycle in June. My assigned nurse, Stacy, was amazing and patiently answered all my many questions. I cannot praise the SG Bethlehem team enough. The front desk was always welcoming, and Molly, the ultrasound technician, was wonderful. My first frozen embryo transfer succeeded, and I graduated at 8 weeks pregnant. I will always be grateful to Dr. B and her team. My due date is in April. If you are on this journey and seeking the right doctor, choose her. She is heaven-sent.
    Oct 31, 2025
    Dr. B is an excellent physician who genuinely cares about me and my family. She went above and beyond in caring for us and made me feel supported throughout this emotional family-building journey. However, the clinic’s policy prohibiting siblings from attending appointments is a major barrier for families experiencing secondary infertility. Because appointments often require same-day bloodwork or ultrasound, we had to delay care for several months because we could not arrange round-the-clock childcare and the clinic would not allow my 7-year-old to accompany me to appointments such as a routine 5-minute blood draw. This policy made families like ours feel discriminated against and made an already stressful journey even harder. Overall, we ultimately had a very good experience at the clinic and welcomed our miracle baby this spring. I am deeply grateful for the care Dr. B and her team provided. I hope Shady Grove will continue to find ways to support all families experiencing different forms of infertility.
    Oct 18, 2025
    We love SGF Bethlehem! Dr. B is amazing, and her entire team is knowledgeable, kind, supportive, and helpful. We recommend SGF to everyone hoping to build a family!
    Oct 18, 2025
    Dr. Budinetz and her team exceeded our expectations throughout our first pregnancy. We are also an LGBTQ couple, and Shady Grove’s expertise was invaluable. Dr. B feels like a close friend, and we could not have found a better fertility specialist. My wife and I graduated today with our baby on the way, and we look forward to returning to Shady Grove for baby number two.
    Dec 11, 2025
    Dr. B, PA Molly, RN Brittany, RN Megan, Adam, and all the staff at Shady Grove are wonderful and always go above and beyond to help us. Whenever we have a question, they respond immediately and provide the encouragement and reassurance we need. Without everyone at Shady Grove, we would not be 8 weeks pregnant. We are incredibly grateful.
    Dec 10, 2025
    Organized, responsive, and friendly. Everyone we worked with throughout the process was outstanding. Dr. Hutchinson, Dr. Budinetz, Brittany, and Molly were all wonderful!! Thank you for everything!
    Nov 20, 2025
    Shady Grove is wonderful! Everyone truly cares for patients and always puts patience first. Dr. B is the best!
    Jan 3, 2026
    Today we saw our baby on ultrasound! Many thanks to our doctor Tara, nurse Stacy, and all the staff for their help!
    Dec 22, 2025
    Shady Grove fulfilled my wish to become a mother. They helped me with professionalism and genuine compassion. I highly recommend them to anyone with fertility issues. SGF makes you feel that you are not alone in this difficult struggle.
    Feb 17, 2026
    The infertility journey is difficult and sometimes confusing. Two things were always with me: my wonderfully supportive husband and the entire team at Shady Grove Bethlehem. I sincerely thank them for the help, patience, and care they gave us. Whenever we had a question or concern, nurse Stacey, financial coordinator Angel, and our physician Dr. B responded promptly. Every time we entered the clinic, Adam greeted us with a smile and asked how we were doing. My physician assistant, Molly, performed my examinations and was always kind and willing to explain things. The other staff members we had the pleasure of meeting were the same. If you are looking for a fertility clinic, I highly recommend Shady Grove Bethlehem for personalized, compassionate care.
    Feb 17, 2026
    The staff are wonderful, helpful, and knowledgeable and patiently answer your questions.
    Mar 9, 2026
    Everyone is very kind and professional! Every visit has a warm, comfortable atmosphere!
    Feb 28, 2026
    From our first meeting with Dr. B to our final appointment with Molly, we felt warmly and thoughtfully cared for. The fertility process can be frightening, but with the help of Molly, Stacy, Dr. B, and the entire Shady Grove staff, we felt supported, prepared, and heard at every step. I have recommended Shady Grove to everyone willing to listen since I began receiving care there, and I will continue to do so.
    Feb 26, 2026
    I cannot say enough good things about this clinic. Dr. B and her entire team are exceptional. We received treatment here last year, and the experience was flawless. Molly, Adam, and the entire staff were professional and kind. We cannot wait to return!
    Apr 4, 2026
    Shady Grove Fertility in Bethlehem, PA is an amazing place. The level of care that one receives here is some of the best I found. Starting with the receptionist Adam who always greeted us with a smile to Stacy, an amazing nurse who always quickly got back to us to answer our questions, to Angel our financial coordinator and finally Dr. Budinetz herself. Having gone through this process it can be long, scary, and overwhelming under the best of circumstances. We were lucky to have our gynecologist recommend this facility to us. I do not know enough kind words to describe the people that work here. I would encourage anyone looking for any type of fertility support to check out Shady Grove Fertility. I would recommend them to friends, family, and anyone who would listen.
    Mar 28, 2026
    I had such an amazing experience with Shady Grove Fertility. Every single need I had was met and they exceeded my expectations with care and empathy. I felt very comfortable with each person on my team and couldn’t have asked for better help. The best part of it all was the outcome. I get to welcome my newest love to my life this year! Overall, a wonderful experience.
    Mar 25, 2026
    Apr 27, 2026
    Shady Grove Fertility gave me the care every patient hopes for. Molly and Michelle supported me through every step with tremendous compassion and patience. Dr. B was knowledgeable and reassuring and always explained things positively, making me feel safe and understood. Adam at the front desk also deserves special thanks for making me feel welcome from the moment I entered. I never felt alone or overlooked and always felt the team genuinely cared about me. I am sincerely grateful for my experience here and for the people who helped me through this important stage of life. Fertility treatment can be frightening and overwhelming, but this team made it manageable and even hopeful. I am deeply grateful for their care, professionalism, and sincerity. Words cannot express my gratitude to Shady Grove Fertility and everyone who helped me through this journey.
    Apr 20, 2026
    Dr. B and her team are amazing! I am so grateful to have been under their care. Because of them, I have my son.
    Apr 19, 2026
    Everything I share here comes from my real experience 😊 I went through 6 IVF cycles in total, including 4 at RMA in New Jersey and others at leading clinics abroad. We usually ended up with only one embryo, which was always disappointing. We were even advised to use donor eggs. We faced severe male-factor infertility, and because of my age, I also had few eggs. Eventually, we decided to stop and live a peaceful life as a couple. About a year later, however, a voice deep inside kept telling me I was meant to be a mother. That was when I found SGF Bethlehem and Dr. Budinetz near my home. Honestly, we had no expectations, but her warmth, support, and approach to our case gave us renewed hope and excitement. She created a personalized treatment plan, and I never felt like an ordinary patient. She was extremely attentive and thoughtful. They were also considerate financially and placed no added pressure on us. My nurse Stacy may truly be the gentlest nurse in the world. The result was that all 3 mature eggs retrieved fertilized and developed successfully to day 5. It still feels unbelievable. Yesterday, Dr. Karen transferred two of them very smoothly and professionally. I am sincerely grateful. This team brought us so close to our dream, and we feel incredibly fortunate. I wish I could say more, but words cannot express my gratitude. Thank you so much for everything. We are truly grateful and so glad to have your help! Dr. B ❤️‍🩹
    Apr 15, 2026
    After multiple failures, the SGF Allentown/Bethlehem team truly changed our lives. My first transfer unfortunately failed, but Dr. B and her team supported us through that difficult time with calm and grace, and their dedication was unmatched. Even at my lowest point, Dr. Budinetz never gave up on us, and we ultimately welcomed our precious daughter! From graduating at 9 weeks pregnant to bringing her back to meet the staff, we will always be grateful to the SGF medical team. We look forward to returning for our second baby and cannot wait to take this journey with them again! I am glad to share my story through the #UseYourVoice campaign in honor of the upcoming Infertility Awareness Week. Words cannot express my gratitude.
    Apr 15, 2026
    My wife and I are deeply grateful for SGF’s attentive and thorough care throughout our fertility journey. Their honesty, compassion, and understanding helped us through an often frightening time. Special thanks to Molly, who comforted us during most of our tests; our coordinator Stacy, who patiently answered every anxious question; and Dr. Budinetz, whose expertise gave us confidence. We sincerely thank you for lighting our path to motherhood. I highly recommend SGF and hope to work with them again when we want to expand our family!
    May 15, 2026
    It took me so long to write this review because it is difficult to put into words how grateful I am to Dr. Budinetz, her medical team, and the entire staff at Shady Grove Fertility. My fertility journey began in 2023. After years of trying, two egg retrievals, and four rounds of IVF, I finally welcomed a beautiful baby boy. From the moment I began working with this team, I felt respect, professionalism, sincerity, and hope. I always felt that they put my best interests first. Dr. Budinetz is a patient-centered physician focused on efficiency and outcomes. Fertility treatment is not one-size-fits-all, and sometimes it takes time to understand what your body needs to succeed. As I mentioned, I underwent four embryo transfers before finally succeeding, but each step brought us closer to our goal. We tried new treatments, and my fertility plan was always tailored to my circumstances to maximize the likelihood of success. This was never a pattern of repeating the same approach while expecting a different result. I will always be grateful to Dr. Budinetz and her team for the determination, expertise, and compassion they showed during the hardest period of my life. Shady Grove Bethlehem is different. If you are considering their services, I assure you that you will receive the best medical care. —Allie McGovern
    Apr 30, 2026
    From the first time we met Dr. B and the entire SGF staff, they were warm, friendly, and caring. From Molly, Adam, and Tori to everyone at SGF, you are always greeted with a kind smile. Dr. B is the model of an excellent physician. She is approachable, honest, and direct and always gives you the greatest encouragement. She strongly supports her patients and understands how long and difficult their journeys can be. We are incredibly grateful to have found Dr. B and SGF!
    Apr 28, 2026
    Dr. B and his team are amazing! They are attentive and professional and answer every question you ask. With their extensive experience and knowledge, my husband and I welcomed a healthy baby boy!
    Apr 28, 2026
    Adam is always smiling whenever I see him! Dr. B is absolutely the best. She is always positive and funny, and I am so glad I chose her. She makes you feel calm and confident and always makes you laugh. Molly is always smiling whenever I come in. She is knowledgeable and kind, and I always look forward to seeing her. Thank you so much to everyone at the clinic. ❤️ They make frequent appointments easy and enjoyable! Thank you all :)
    May 27, 2026
    Jul 2, 2026
    Everybody was very caring and helpful. After struggling for so long to get pregnant me and My husband had pretty much given up hope. But everyone at Shady Grove gave us a renewed sense of hope which gave us the strength to keep trying, and we are finally able to conceive naturally. There’s nothing you can say that would be bad at all about shady Grove fertility.
    May 16, 2025
    Beware! The staff quoted the wrong price, leaving you responsible for thousands of dollars. They said testing would cost less than $300. I received three bills from three different places totaling more than $1,500. The staff could not even tell me which companies would bill me. I honestly do not understand how this is legal. This was with insurance.
    Apr 15, 2025
    Thank you, Shady Grove. After 10 years of trying and failing, we finally succeeded. Dr. Kallen, Brooke, Carly, Aliyah, and all the other staff encouraged me to keep going, and I never gave up. I had dreamed of becoming pregnant for years, and despite my PCOS, they helped me achieve that goal. I highly recommend this place.
    Feb 28, 2025
    Dr. Kallen worked with us for nearly two years before we finally became pregnant. It was a very difficult journey with many unpleasant surprises, but Dr. Kallen did not give up on us. He was confident and encouraging and gave us tremendous support when needed. Everyone at the Center City office was wonderful to us. Brooke and Alesha were kind and friendly at every visit and genuinely made me feel important. I will always be grateful to everyone at Shady Grove.
    Jan 16, 2025
    Dec 22, 2024
    Throughout this challenging experience, Jordan (RN) was our guardian angel. Her exceptional communication, empathy, and professionalism helped turn our entire fertility journey around. I will always be grateful that she joined my care team! No matter how early the morning, Brooke always had a smile and went above and beyond to make me comfortable. She was a bright spot throughout my monitoring and SGF's greatest “guardian”!
    Jul 16, 2025
    Brooke and Aliya deserve a raise today. They are wonderful people who make you feel comfortable at your appointments. They are incredibly kind, and I love them.
    Jul 11, 2025
    Shady grove has been an overall wonderful experience . Walking in early mornings I was always greeted by Brooke’s wonderful smile and warm welcoming energy. Alicia and Brooke made difficult appointments just that much easier. Dr. Kallen was an absolute delight to work with. Everything was always explained in detail and any minor setback we faced I trusted his expertise and judgement to reach our end goal! I cannot thank Center City office enough for making this process and journey just that much easier!
    Oct 4, 2025
    My wife and I came to Shady Grove Fertility hoping for compassionate treatment, but the staff were cold and dismissive. The doctor rushed through the consultation without explaining our options. After spending thousands of dollars on treatment, we felt more like numbers than patients. The experience left us frustrated and hopeless.
    Nov 18, 2025
    Wonderful staff! Brooke is the best and makes morning appointments more enjoyable!
    Nov 13, 2025
    I cannot say enough good things about SGF's downtown office. This is my second treatment here, and the staff is genuinely considerate and supportive. They respond quickly, and I have never waited more than 10 minutes to be seen—usually I am seen immediately. Dr. Kallen is also wonderful. I truly appreciate the excellent care and highly recommend this clinic.
    Apr 9, 2026
    Dr. Kallen and his team are amazing! Throughout our treatment, he always provided helpful information and encouragement. We are so grateful that he helped us welcome our baby boy!
    Apr 8, 2026
    I worked with Dr. Kallen and his team and was able to have a healthy baby girl! They could not have been kinder throughout the process. I felt heard and informed at every visit. Managing the medications was easy because the team always made themselves available. I cried when I graduated, and I still think about the people in this office to this day.
    Apr 8, 2026
    Dr. Kallen is very kind and considerate. He helped us welcome the daughter we had always dreamed of. Our heartfelt thanks to Shady Grove!
    Apr 8, 2026
    Dr. Kallen and his team have helped us achieve our dream of becoming parents to 4 healthy babies. We have worked with Dr. Kallen since 2017 and have felt comfortable returning several times, with very successful results. Dr. Kallen is caring and considerate, listens to every concern, and answers all questions so you feel well informed. He is passionate about helping families facing fertility challenges and understands how sensitive the experience can be. He personally called me several times to help me decide how to move forward. When we became pregnant, he called again to celebrate with me. His nurses and staff are also wonderful and caring. Jordan in particular was very kind and helpful. We definitely recommend Shady Grove to anyone who needs fertility care!
    Apr 8, 2026
    We came to SGF after a terrible experience at another fertility clinic, and the difference was remarkable! The SGF team was responsive, compassionate, and informative. We felt supported throughout this emotional time. We had been worried about the timeline, but Jordan, Dr. Kallen, and their team were exceptional and kept the entire process on track. We went from struggling with infertility to welcoming our little angel 1 year later, and we could not be happier. Thank you so much for helping us build our family.
    Jun 12, 2026
    我强烈推荐SGF。他们绝对是一流的。Kallen医生和他的护士Jordan简直是人间天使。我和我丈夫最初尝试了人工授精（IUI），但失败了，所以我们开始尝试试管婴儿（IVF）。Kallen医生和Jordan医生为我调整了治疗方案，现在我们成功怀孕快14周了。经常有人联系我，问我试管婴儿的经历，问我在哪里做的，我都会告诉他们SGF，并表达我对那里所有人的感激之情。我向所有人推荐SGF。尽管经历了不孕的痛苦，我在那里留下的只有美好的回忆。再次感谢你们，永远感谢你们所做的一切。
    Aug 13, 2025
    From the beginning of our fertility journey, Dr. Kallen has been our advocate, defender, and steadfast guide through the complexities of fertility treatment. His decisions are grounded not only in clinical data and current science but also in deep concern for the person behind the chart and laboratory results. When we had questions, and we had many, he never dismissed them. He took time to explain every option, his recommendation, and the reason for it. Once, I brought him an idea I had seen online and asked whether it could be added to my treatment plan. Although he values evidence-based care and there was little data supporting what I had read, he did not dismiss me. Instead, he listened carefully, researched it in his own time, and ultimately found a thoughtful, safe way to incorporate it into my treatment. Thanks to his expertise, honesty, and compassion, we welcomed our miracle baby. Dr. Kallen, we will always be grateful for your dedication, talent, and support at every step. You were our strongest advocate during this physically and emotionally exhausting journey. We will never be able to thank you enough!
    Mar 25, 2023
    Dr. Kallen and the SGF team met all my needs and more. They are knowledgeable, caring, understanding, and patient. I do not think I can thank them enough to express our gratitude. I wish SGF could have remained our team throughout the entire pregnancy and delivery. That is how much we trust them. The feeling when we learned the IVF had worked was indescribable. They cared for us through the first 10 weeks of pregnancy and made the transition to my obstetric and hospital teams easy, always ensuring that we were well cared for. We now have a beautiful baby girl, thanks to this team's guidance.
    Jan 15, 2024
    The doctor was very nice at first. My AMH was very low. Because I had undergone chemotherapy, donor embryos or donor eggs were automatically recommended. I was then told that the wait for African American embryos would be very long. There was some kind of miscommunication between the doctor and nurse. The nurse called to schedule my baseline appointment, but when I arrived, the doctor asked whether I had been matched with an embryo. I said no, because I had been told the wait would take years. He then asked why I had an appointment. I said, well, your nurse called to schedule it, so you should ask her. His manner was rude. They called me for follow-up, but after that encounter I decided not to remain a patient. I told them I would not return to their office. I went to another clinic and ultimately retrieved my own eggs. They underwent PGT and the results were good. I am sure he is not a bad doctor; we simply were not a good match, and that is fine. I am glad I decided to go elsewhere before spending another $30,000, because I could have started with my own eggs!
    Nov 19, 2024
    I am deeply grateful to Dr. Kallen at Shady Grove Fertility for the exceptional care and support he provided throughout my fertility journey. After two retrievals with different practitioners ended unsuccessfully, I was uncertain about the future. Then I found Dr. Kallen and the Shady Grove team. From the moment I met him and his nurse Hannah, I felt renewed hope and confidence. Dr. Kallen is not only highly knowledgeable and skilled in his field, but also remarkably empathetic and compassionate. He took the time to review my medical history thoroughly and discuss the next steps. Dr. Kallen's nurse Hannah then outlined a personalized plan for what came next. What truly sets Dr. Kallen and Hannah apart is their unwavering dedication to their patients. During this challenging time, they were always available to answer my questions, encourage me, and provide emotional support. The entire Shady Grove team, from the front desk staff to the women who drew my blood, was equally outstanding and created a warm, welcoming environment where I felt cared for at every step. Thanks to Dr. Kallen's expertise and compassionate approach, we have a one-year-old child, and I am now pregnant with my second child at age 42, both through IVF. I wholeheartedly recommend Dr. Kallen and the entire Shady Grove team. They have all had a profound impact on my life, and I will always be grateful.
    Feb 13, 2025
    No words can truly express my gratitude to Dr. Kallen, but I will try. After years of trying, he finally made my dream come true. Dr. Kallen is not only a highly skilled and knowledgeable reproductive endocrinologist, but also one of the kindest and most compassionate doctors I have ever met. From the beginning, he took the time to answer all my many, many questions with patience and honesty. He made me feel that he was truly part of my team, celebrating the victories and taking the setbacks to heart as if they were his own. His dedication to staying current with the latest research was clear, and his ability to communicate complex information in a reassuring and empowering way is unmatched. Beyond Dr. Kallen, the entire Shady Grove Center City team was wonderful—the nurses and phlebotomists were always gentle and caring, making a challenging process easier. I felt supported at every step. Now, as I hold my child in my arms, I know how fortunate I was to have Dr. Kallen as my doctor. He did not just help me become pregnant; he made me a mother. I will be forever grateful.
    May 11, 2025
    Thank you Today is Mother's Day, and I have a healthy, beautiful, energetic child. Because of your outstanding work, I am able to experience Mother's Day. I remember as if it were yesterday how gentle and kind you were, and I will always be grateful! 🙏🏻

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