About Shady Grove Fertility Center

Caleb Kallen, M.D.

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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.


  • Residency: Obstetrics and Gynecology, University of Pennsylvania
  • Fellowship: Reproductive Endocrinology and Infertility, Yale University


  • George W. Householder, III Memorial Prize, University of Pennsylvania. Awarded to a student in the School of Medicine engaged in original and meritorious work in the area of basic or clinical cardiovascular research.
  • American Society for Reproductive Medicine (ASRM)/Organon grant in Reproductive Medicine.
  • National Institutes of Health (and University of California-San Francisco) K12 HD000849/RSDP (Phases I and II, Research Scientist Development Program) from the NIH/NICHD.
  • American Society for Reproductive Medicine, Reproductive Immunology Special Interest Group’s Prize Paper Award. “Evidence that neither THP1 Monocytes nor THP1 Macrophages have functional Estrogen Receptor-a.”
  • "Golden Apple" award for resident education, Emory University.
  • Mentor for project awarded first prize, Emory University Annual Fellowship Research Award. (Resident and Fellow Research Day, April 20, 2010).
  • Association of Professors of Gynecology and Obstetrics (APGO) and the Department of Gynecology and Obstetrics at Emory University "APGO Excellence in Teaching Award."
  • Emory University School of Medicine Excellence in Teaching Award: Reproductive Endocrinology and Infertility.
  • Council on Resident Education in Obstetrics and Gynecology (CREOG) National Faculty Award in recognition of outstanding contributions.
  • Dean's Award for Excellence in Education at Sidney Kimmel Medical College, Thomas Jefferson University.
  • Federal research funding, NIH/NIDDK, R01-DK09184 (PI: Kallen) Title: The Anti-inflammatory mRNA-binding Protein ZFP36 in Obesity and Metabolism.


  • American Society for Reproductive Medicine
  • Society for Reproductive Endocrinology and Infertility
  • Reproductive Biologists Professional Group
  • American College of Obstetrics and Gynecology
  • Society for Reproductive Investigation
  • American Institute of Ultrasound in Medicine
  • Georgia Obstetrical and Gynecological Society

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