Thalia R. Segal, MD
Medical Director and Founder, Collab Fertility; Double Board-Certified Reproductive Endocrinologist and Obstetrician-Gynecologist
At Collab Fertility — Walnut Creek, California 94598
About Thalia R. Segal, MD
Dr. Thalia R. Segal is the Founder and Medical Director of Collab Fertility in Walnut Creek and a double board-certified reproductive endocrinologist and obstetrician-gynecologist. She previously served as an Assistant Professor at the UCSF Center for Reproductive Health.
She provides personalized, evidence-based care for complex infertility and combines reproductive medicine with research into environmental health and fertility.
Education and training
Medical degree, Albert Einstein College of Medicine (2011)
Obstetrics and Gynecology residency, North Shore–Long Island Jewish Hospital
Reproductive Endocrinology and Infertility fellowship, Case Western Reserve University and University Hospitals Cleveland Medical Center (2015–2018)
Professional affiliations
Treatments & specialties
Fertility testing
intrauterine insemination (IUI)
in vitro fertilization (IVF)
egg and embryo freezing
genetic testing
PCOS treatment
donor egg and sperm treatment
gestational carrier care
cancer fertility preservation
LGBTQ+ family building
Clinic Location
Other locations
Thalia R. Segal, MD practices at 1 clinic location.
This location
Collab Fertility
2700 Ygnacio Valley Road, Suite 170, Walnut Creek, California 94598