Susan Nasab

About

Reproductive endocrinology has a specific problem with polycystic ovary syndrome: the ovaries respond too readily to standard stimulation, and the price of pushing too hard is hyperstimulation, cancellations and risk. Susan Nasab is credited in her professional record with a stepped stimulation protocol for PCOS, built to find the lowest dose that still recruits embryos, and much of the rest of her profile hangs off that same instinct for restraint — preservation cycles that have to finish before an oncology treatment starts, and monitoring done remotely so patients do not drive in twice a day.

Her practice location needs a caveat. Multiple 2026 sources identify Nasab as the founder and chief physician of Reproductive Fertility Center (RFC) in Corona, in the Inland Empire, and a smaller number also describe a part-time fertility preservation role at INCINTA Fertility Center in Torrance, which is why this profile is filed here. RFC is her principal practice on the evidence we hold, and the contact details carried on this page belong to the INCINTA directory entry rather than to her own office. Ask which clinic is seeing you, and where.

Training took her from Iran University of Medical Sciences (medical degree) to an obstetrics and gynecology residency at the University of Texas Health Science Center and a reproductive endocrinology and infertility fellowship at Johns Hopkins. She is board certified in obstetrics and gynecology and a Fellow of the American College of Obstetricians and Gynecologists. Our sources do not confirm a separate board certification in the REI sub-specialty, publish her publication list, or verify the robotic-surgery and ovarian-rejuvenation claims carried in her earlier Chinese-language profile, so none of those appear here. She consults in English, Spanish, Arabic and German.

Clinical Expertise

• PCOS stimulation design: stepped, lowest-effective-dose protocols aimed at avoiding OHSS while still retrieving usable eggs
• Fertility preservation and oncofertility: egg and embryo freezing scheduled around chemotherapy or radiation, with coordination reported alongside City of Hope
• IVF and frozen embryo transfer: full cycle management with screening-era lab practice
• Diminished ovarian reserve: protocol selection for patients with few recruitable eggs, where the dose-restraint logic of PCOS work does not apply
• Recurrent implantation failure: cavity, timing and embryo-factor assessment
• Telemedicine and remote monitoring: she is recorded as leading national and international remote patient monitoring programs, which is the practical route for preservation patients who cannot relocate for a cycle
• Academic teaching: clinical faculty at the University of California, Riverside

Why Choose Dr. Nasab

A protocol she is credited with, not just prescribed. The stepped PCOS regimen is attached to her name in her professional record; PCOS patients are usually managed with someone else’s default protocol.

Preservation as a program, not an errand. Her stated role is fertility preservation lead, with oncology collaboration reported at City of Hope — patients facing cancer treatment need a clinic that has already rehearsed that calendar.

A Hopkins fellowship and ACOG fellowship. Johns Hopkins REI training plus FACOG is a verifiable credential line, which is more than her earlier promotional profile offered.

Four consulting languages. English, Spanish, Arabic and German cover a wide spread of Southern California patients; this is a communication resource, not a clinical qualification.

Professional Affiliations

Fellow of the American College of Obstetricians and Gynecologists; certified by the American Board of Obstetrics and Gynecology in obstetrics and gynecology. Clinical faculty at the University of California, Riverside. Fellowship-trained at Johns Hopkins. Our sources do not publish her society memberships or committee roles, and we do not list the awards named only in her older Chinese-language profile.

Suitable For

• PCOS patients who hyper-stimulated or cancelled a prior cycle: the protocol area she is credited with
• Patients about to start chemotherapy or radiation: preservation has to be planned, funded and finished on the oncologist’s timetable
• Anyone who cannot monitor in person twice daily: remote monitoring is part of how she runs cycles
• Repeat failed transfers with a metabolic or endocrine background: PCOS-driven quality and timing problems sit in her focus
• Spanish-, Arabic- or German-speaking patients: consultation and injection teaching in your own language