HealthcareDiscovery.AI / Doctors / California / San Ramon / Obstetrics & Gynecology

Obstetrics & Gynecology in San Ramon, California

Data updated monthly · Last refresh September 2026

13 Obstetrics & Gynecology providers practice in San Ramon. Listings are drawn from federal public records and are not endorsements.

Obstetrics & Gynecology providers in San Ramon

Listed alphabetically. Payment figures come from the federal Open Payments program, which requires drug and device companies to report what they pay physicians for consulting, speaking, meals, travel and royalties. A disclosed payment is a financial relationship, not evidence of wrongdoing, and many totals reflect a single meal. Figures cover calendar year 2025.

Dr. Cassandra Mellinger
San Ramon, CA · No drug or device payments recorded (2025) · (925) 254-9840
Dr. Curtis Appel, MD
San Ramon, CA · No drug or device payments recorded (2025) · (925) 244-7600
Dr. Emil Eyvazzadeh, MD
San Ramon, CA · No drug or device payments recorded (2025) · (925) 277-1441
Dr. Fadel Shammout, MD
San Ramon, CA · $282 in drug and device payments (2025) · (925) 587-4808
Dr. Helen Matthews, M.D.
San Ramon, CA · No drug or device payments recorded (2025) · Telehealth · (925) 452-6644
Dr. Leroy Leabman, MD
San Ramon, CA · No drug or device payments recorded (2025) · (925) 820-4476
Dr. Maria Quan, MD
San Ramon, CA · $66 in drug and device payments (2025) · Telehealth · (925) 263-5583
Dr. Mark Lollar, MD
San Ramon, CA · No drug or device payments recorded (2025) · (925) 327-1500
Dr. Ravi Agarwal, MD
San Ramon, CA · $475 in drug and device payments (2025) · (925) 867-1800
Dr. Renee Hilliard, M.D.
San Ramon, CA · No drug or device payments recorded (2025) · (925) 327-1500
Dr. Sadaf Samizay, M.D.
San Ramon, CA · No drug or device payments recorded (2025) · (925) 587-4808
Dr. Spenser Perloff, M.D.
San Ramon, CA · $683 in drug and device payments (2025) · Telehealth · (925) 254-9840
Dr. Susan Raymond, MD
San Ramon, CA · $42 in drug and device payments (2025) · (925) 244-4700

Conditions Obstetrics & Gynecology providers in San Ramon, California commonly treat

Patients often search by condition rather than specialty. These are conditions typically managed by Obstetrics & Gynecology providers. Individual practices vary, so confirm with the provider before booking.

Common questions

How many Obstetrics & Gynecology providers are in San Ramon, California?

There are 13 Obstetrics & Gynecology providers with active NPI records practicing in San Ramon, according to federal NPPES data refreshed monthly.

What conditions do Obstetrics & Gynecology providers in San Ramon treat?

Obstetrics & Gynecology providers in San Ramon commonly treat pregnancy care, endometriosis, fibroids, PCOS, menopause and related conditions. Individual practices vary, so confirm with the provider before booking.

Where does this data come from?

Provider records come from the federal NPPES registry and CMS Doctors and Clinicians files. Payment figures come from the CMS Open Payments program for calendar year 2025. The directory refreshes monthly.

All specialties in San Ramon Obstetrics & Gynecology across California

Sources: NPPES (CMS), Doctors and Clinicians national files, CMS Open Payments 2025. Updated monthly. Records are public federal data and are not verified credentials, licensure checks, or endorsements. This directory is informational and not medical advice. How we build this directory.