Joshua D. Stewart, M.D.

About

Most CRM attending physicians arrived from other institutions. Joshua D. Stewart, M.D., ran the loop entirely in place: OB/GYN residency at NewYork-Presbyterian Hospital/Weill Cornell Medical Center, then a reproductive endocrinology and infertility fellowship inside the Ronald O. Perelman and Claudia Cohen Center itself — and he stayed on as faculty. He is the product of the program he now represents, which shows in how current his training is on the Center’s own lab and clinical standards.

His offered care spans the full ladder from first-line treatment to advanced ART: ovulation induction, intrauterine insemination, in vitro fertilization, preimplantation genetic testing, and fertility preservation. Patients who need male factor workup, ICSI or family-building options as same-sex couples or transgender individuals are squarely in his practice, and he performs minimally invasive laparoscopic and hysteroscopic surgery for uterine, ovarian and tubal disease.

Before medicine he studied biochemistry at the University of Kansas, graduating Summa Cum Laude with election to Phi Beta Kappa; in medical school he joined Alpha Omega Alpha and the Gold Humanism Honor Society. He holds clinics at CRM’s Brooklyn office and on the Upper East Side.

Clinical Expertise

• IVF Full-Cycle Management: Stimulation, monitoring, retrieval and transfer under CRM’s protocols, including tailored regimens for low responders
• ICSI: Micromanipulation fertilization for male factor infertility, supported by award-winning research on the topic
• Preimplantation Genetic Testing: PGT integrated into IVF cycles for genetic risk and embryo selection
• Fertility Preservation / Egg Freezing: Oocyte and embryo cryopreservation for medical and elective timelines
• LGBTQ+ Reproductive Care: Reciprocal pathways, donor gametes and preservation counseling for queer families
• Minimally Invasive Reproductive Surgery: Laparoscopic and hysteroscopic treatment of fibroids, cysts, endometriosis and tubal disease

Why Choose Dr. Stewart

Training that ended where your treatment begins. He completed his fellowship at CRM; the protocols, embryology lab and retrieval team he used as a trainee are the ones he directs patients through today.

Decorated at every stage. Summa Cum Laude and Phi Beta Kappa as an undergraduate, Alpha Omega Alpha and the Gold Humanism Honor Society in medical school, a residency teaching-excellence award, and a Pacific Coast Reproductive Society best-paper award for male factor infertility research.

A two-borough footprint. He splits time between CRM’s Brooklyn office and the Upper East Side flagship — practical for patients who monitor follicles several mornings a week and cannot commute to Manhattan daily.

Board-certified, society-active. A Fellow of the American College of Obstetricians and Gynecologists, active in ASRM and the Society for Reproductive Endocrinology and Infertility.

Professional Affiliations

American Society for Reproductive Medicine; Society for Reproductive Endocrinology and Infertility; American College of Obstetricians and Gynecologists (Fellow). Weill Cornell teaching recognitions include an excellence-in-teaching award at NewYork-Presbyterian/Weill Cornell Medical Center.

Suitable For

• Couples facing male factor infertility: ICSI is a named part of his practice, backed by published research
• LGBTQ+ family builders: Same-sex couples and transgender patients seeking donor gamete, reciprocal or preservation pathways
• Egg freezers on a schedule: Fertility preservation from initial testing through frozen cycle planning, with Brooklyn clinic access
• IVF patients who also need surgery: One physician for laparoscopic/hysteroscopic correction and the ART cycles that follow
• PCOS, endometriosis and recurrent loss patients: Complex endocrine and structural infertility managed inside a single academic program