Isaac E. Sasson, M.D., Ph.D., FACOG, received his medical degree and doctorate in genetics from Yale Medical School. He went on to complete his residency in obstetrics and gynecology at Yale-New Haven Hospital and his subspecialty training in reproductive endocrinology and infertility at the Hospital of the University of Pennsylvania in Philadelphia. He has expertise in the diagnosis and treatment of infertility, including in vitro fertilization, donor egg treatment, endometriosis, polycystic ovary syndrome, and preimplantation genetic diagnosis. He utilizes both his clinical experience and extensive background in genetics research to optimize patient pregnancy and live birth rates. Dr. Sasson has been featured in many publications, including Main Line Parent, Philadelphia Life, and Suburban Life. He has also appeared on The Katie Couric Show in a segment highlighting male factor infertility and on CBS 3 Philadelphia, where he discussed technological advancements in fertility treatment. Originally from Monmouth County, New Jersey, Dr. Sasson is married with three children and enjoys yoga, spinning, hiking, and woodworking. Dr. Sasson is currently associate residency director of ob-gyn residents at Lankenau Hospital outside of Philadelphia. He is a member of the American Society for Reproductive Medicine, American Congress of Obstetricians and Gynecologists, Obstetrical Society of Philadelphia, and Philadelphia Area Reproductive Endocrine Society. Dr. Sasson is rated as an Advanced provider by MediFind in the treatment of Premature Ovarian Failure. His top areas of expertise are Infertility, Ovarian Hyperstimulation Syndrome, Premature Ovarian Failure, and Ovarian Overproduction of Androgens.

Gina Mantia-Smaldone is an Obstetrics and Gynecologist and an Oncologist in Philadelphia, Pennsylvania. Dr. Mantia-Smaldone is rated as an Advanced provider by MediFind in the treatment of Premature Ovarian Failure. Her top areas of expertise are Ovarian Cancer, Endometrial Cancer, Ovarian Carcinosarcoma, Vaginectomy, and Hysterectomy.

Caleb Kallen, M.D., Ph.D., FACOG, earned his medical degree and doctorate in philosophy (Molecular and Cellular Biology) from the University of Pennsylvania. He went on to complete his residency training in obstetrics and gynecology at the Hospital of the University of Pennsylvania in Philadelphia. Dr. Kallen completed his subspecialty training in reproductive endocrinology and infertility at Yale University in New Haven, Connecticut. Dr. Kallen then served as Assistant Professor at Emory University for 7 years, followed by a position as Associate Professor at Thomas Jefferson University where he was elevated to the position of Director of the Division of Reproductive Endocrinology and Infertility. During his time as a full time academician Dr. Kallen performed NIH-funded basic biomedical research, received numerous teaching awards, and built active clinical practices. Dr. Kallen has expertise in the diagnosis and treatment of infertility, including in vitro fertilization (IVF), ovulation induction with intrauterine inseminations (IUI), donor egg treatments, endometriosis, polycystic ovary syndrome, and preimplantation genetic diagnosis. He applies the latest clinical data, state-of-the-art technology, and his extensive clinical experience to optimize pregnancy rates while minimizing patient stress with his supportive approach to care. Dr. Kallen is a member of the American Society for Reproductive Medicine, the Society for Reproductive Endocrinology and Infertility, the Society for Reproductive Investigation, and the American Congress of Obstetricians and Gynecologists. Raised in West Philadelphia, Dr. Kallen is married with three children and enjoys home repair (except painting), woodworking, the NFL, cooking, and eating. Dr. Kallen is rated as an Experienced provider by MediFind in the treatment of Premature Ovarian Failure. His top areas of expertise are Infertility, Ovarian Hyperstimulation Syndrome, Ovarian Overproduction of Androgens, and Tubal Disease.

Ryan Martin, M.D. earned his medical degree from the Yale University School of Medicine and completed his Residency in Obstetrics and Gynecology at Yale-New Haven Hospital. He pursued his fellowship in Reproductive Endocrinology and Infertility at Yale University. Dr Martin is board certified in both Obstetrics and Gynecology and Reproductive Endocrinology and Infertility. His interests include infertility, in vitro fertilization, pre genetic screening (PGS) and fertility preservation for oncologic or social reasons. Dr. Martin is the recipient of multiple teaching awards and was an instructor at the Yale University School of Medicine. He is an active member of the American Society for Reproductive Medicine (ASRM), the Society for Reproductive Endocrinology (SREI), American Association of Gynecologic Laparoscopists (AAGL), and the International Society for Fertility Preservation (ISFP). Dr. Martin serves as a reviewer for various scientific journals and has published many peer-reviewed scientific manuscripts, book chapters, and review articles on wide-ranging topics such as fertility preservation, fertility insurance mandates, and the biologic efficiency of reproduction. Following a tragic injury at the age of 12 that left him paralyzed from the waist down, the highly competitive and determined athlete spent a good portion of his youth traveling an international circuit to compete in various tennis tournaments. He then turned his competitive nature into his pursuit to become a doctor. Dr. Martin became the first wheelchair-bound student to ever graduate from Yale Medical School. Watch his inspiring story of perseverance and determination. After building a successful fertility practice in New Haven, CT, Dr. Martin and his family joined the Shady Grove Fertility family in the Philadelphia region in 2016. Dr. Martin is rated as an Experienced provider by MediFind in the treatment of Premature Ovarian Failure. His top areas of expertise are Infertility, Ovarian Overproduction of Androgens, Ovarian Hyperstimulation Syndrome, and Asherman Syndrome.

David Krewson is an Obstetrics and Gynecologist in Allentown, Pennsylvania. Dr. Krewson is rated as an Experienced provider by MediFind in the treatment of Premature Ovarian Failure. His top areas of expertise are Menorrhagia, Ovarian Cysts, Gestational Diabetes, Salpingo-Oophorectomy, and Hormone Replacement Therapy (HRT).

Wei Zhao is a primary care provider, practicing in Internal Medicine in Philadelphia, Pennsylvania. Dr. Zhao is rated as a Distinguished provider by MediFind in the treatment of Premature Ovarian Failure. His top areas of expertise are Microsporidiosis, Lung Cancer, Lung Adenocarcinoma, Endoscopy, and Coronary Artery Bypass Graft (CABG).

James Thompson, MD, specializes in family medicine and is board-certified in family medicine by the American Board of Family Medicine. He practices at PinnacleHealth FamilyCare Mechanicsburg and is affiliated with UPMC Harrisburg, UPMC West Shore, and UPMC Community Osteopathic. Dr. Thompson earned his medical degree at Hahnemann University School of Medicine. He completed his residency at Excela Health-Latrobe Hospital. p>. Dr. Thompson is rated as an Advanced provider by MediFind in the treatment of Premature Ovarian Failure. His top areas of expertise are Familial Combined Hyperlipidemia, Xanthoma, Cirrhosis, and Premature Ovarian Failure.

Kara Nguyen, MD, MPH, FACMG, FACOG, is one of only a few physicians who is triple-board certified in obstetrics & gynecology, reproductive endocrinology & infertility, and medical genetics. She earned her medical degree from Jefferson Medical College and her Master in Public Health from Johns Hopkins University. After an accelerated 3-year residency in obstetrics and gynecology at Christiana Care Hospital in Delaware, Dr. Nguyen completed her subspecialty training in medical genetics at the National Institutes of Health. At the Harvard Medical School teaching hospital, Beth Israel Deaconess Medical Center, she was the first OB/GYN to be accepted into the competitive Clinical Investigator Training Program where her research in stem cells was funded by grants from the New England Fertility Society, National Institutes of Health, and Harvard Stem Cell Institute. She serves as the Reproductive Endocrinology and Infertility Division Director at UPMC Pinnacle for Central Pennsylvania and plays an active role in the OBGYN quality assurance committee. She is the recipient of numerous awards and scholarships and has been an invited speaker for the PA Breast Cancer Coalition, Good Day PA, and ABC27 News. Dr. Nguyen is actively involved in OBGYN residency education at UPMC Pinnacle and Christiana Hospital in Delaware. Dr. Nguyen joined Shady Grove Fertility in 2017 and now serves the greater central Pennsylvania region. Her professional areas of expertise include oncofertility, preimplantation genetic diagnosis, polycystic ovary syndrome, in vitro fertilization, donor egg, donor embryo, and fertility preservation. Her signature approach to patient care has earned her the Patients’ Choice and Compassionate Doctor awards on Vitals.com and Honor Roll on Healthgrades.com. Dr. Nguyen is married with three children and enjoys traveling, learning about different cultures and trying new foods. Her family is actively involved in missionary work overseas and she supports organizations focused on the rehabilitation of trafficked persons. Dr. Nguyen is rated as an Advanced provider by MediFind in the treatment of Premature Ovarian Failure. Her top areas of expertise are Infertility, Premature Ovarian Failure, Tubal Disease, and Polycystic Ovary Syndrome.

Clarisa Gracia is a Reproductive Medicine provider in Philadelphia, Pennsylvania. Dr. Gracia is rated as an Advanced provider by MediFind in the treatment of Premature Ovarian Failure. Her top areas of expertise are Infertility, Sertoli Cell-Only Syndrome, Polycystic Ovary Syndrome, and Endometriosis. Dr. Gracia is currently accepting new patients.

Sunita Katari, MD, is a physician and is certified by the American Board of Gynecology. She received her medical degree from Rangaraya Medical College and completed her residency at Temple University Lewis Katz School of Medicine, followed by her fellowship at UPMC Magee-Womens Hospital. Dr. Katari is rated as an Advanced provider by MediFind in the treatment of Premature Ovarian Failure. Her top areas of expertise are Premature Ovarian Failure and Amenorrhea.

Ndeye-aicha Gueye is an Obstetrics and Gynecologist in Allentown, Pennsylvania. Dr. Gueye is rated as an Advanced provider by MediFind in the treatment of Premature Ovarian Failure. Her top areas of expertise are Tubal Disease, Infertility, Polycystic Ovary Syndrome, and Sertoli Cell-Only Syndrome.

Linda Bullock is a primary care provider, practicing in Geriatrics and Internal Medicine in Furlong, Pennsylvania. Dr. Bullock is rated as an Advanced provider by MediFind in the treatment of Premature Ovarian Failure. Her top areas of expertise are Osteoporosis, Postmenopausal Osteoporosis, Premature Ovarian Failure, and Melorheostosis with Osteopoikilosis.

Marianne Nikas is a primary care provider, practicing in Family Medicine in Coatesville, Pennsylvania. Dr. Nikas is rated as an Advanced provider by MediFind in the treatment of Premature Ovarian Failure. Her top areas of expertise are Osteomyelitis in Children, Type 2 Diabetes (T2D), High Cholesterol, and Premature Ovarian Failure.

Vitasta Bamezai is a primary care provider, practicing in Internal Medicine in Chester Springs, Pennsylvania. Dr. Bamezai is rated as an Advanced provider by MediFind in the treatment of Premature Ovarian Failure. Her top areas of expertise are Osteomyelitis in Children, Type 2 Diabetes (T2D), Glucocorticoid-Remediable Aldosteronism, and Hypertension.

John Brinker is a primary care provider, practicing in Family Medicine in Stroudsburg, Pennsylvania. Dr. Brinker is rated as an Advanced provider by MediFind in the treatment of Premature Ovarian Failure. His top areas of expertise are Ascites, Premature Ovarian Failure, Cirrhosis, and Glucocorticoid-Remediable Aldosteronism.

Peter Schnatz is an Obstetrics and Gynecologist in Allentown, Pennsylvania. Dr. Schnatz is rated as an Advanced provider by MediFind in the treatment of Premature Ovarian Failure. His top areas of expertise are Menopause, Postmenopausal Osteoporosis, Premature Ovarian Failure, Hormone Replacement Therapy (HRT), and Oophorectomy.

Christine Mackey is a primary care provider, practicing in Internal Medicine in Pittsburgh, Pennsylvania. Dr. Mackey is rated as an Advanced provider by MediFind in the treatment of Premature Ovarian Failure. Her top areas of expertise are Premature Ovarian Failure, Folate Deficiency, Vitamin B12 Deficiency Anemia, and Multiple Carboxylase Deficiency.

Todd Hrbek is an Interventional Radiologist and a Radiologist in Greensburg, Pennsylvania. Dr. Hrbek is rated as an Advanced provider by MediFind in the treatment of Premature Ovarian Failure. His top areas of expertise are Ascites, Melorheostosis with Osteopoikilosis, Melorheostosis, Vertebroplasty, and Bone Graft.

Xuezhi Jiang is an Obstetrics and Gynecologist in West Reading, Pennsylvania. Dr. Jiang is rated as an Advanced provider by MediFind in the treatment of Premature Ovarian Failure. His top areas of expertise are Menopause, Postmenopausal Osteoporosis, Premature Ovarian Failure, Hormone Replacement Therapy (HRT), and Salpingo-Oophorectomy.

Natalie Furlong is a primary care provider, practicing in Family Medicine in Bethel Park, Pennsylvania. Dr. Furlong is rated as an Advanced provider by MediFind in the treatment of Premature Ovarian Failure. Her top areas of expertise are Non-Hodgkin Lymphoma, Premature Ovarian Failure, Wolcott Rallison Syndrome, High Cholesterol, and Cardiac Ablation.