Obstetrics & Gynecology in Fullerton, California
Data updated monthly · Last refresh September 2026
17 Obstetrics & Gynecology providers practice in Fullerton. Listings are drawn from federal public records and are not endorsements.
Obstetrics & Gynecology providers in Fullerton
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. Brian Gray, MDFullerton, CA · $113 in drug and device payments (2025) ·
(714) 992-5350 Dr. Christina Borsari, MDFullerton, CA · $23 in drug and device payments (2025) ·
(714) 992-5350 Dr. Christina BuchananFullerton, CA · $76 in drug and device payments (2025) ·
(714) 992-5350 Dr. Dennis Buchanan, MDFullerton, CA · $55 in drug and device payments (2025) ·
(714) 992-5350 Dr. Donald Henderson, MDFullerton, CA · No drug or device payments recorded (2025) ·
(714) 992-5350 Dr. Earl Fuller, M.D.Fullerton, CA · No drug or device payments recorded (2025) ·
(714) 879-7526 Dr. Jennifer Roelands, MDFullerton, CA · $23 in drug and device payments (2025) · Telehealth ·
(714) 272-3477 Dr. Jerald Thanos, M.D.Fullerton, CA · No drug or device payments recorded (2025) ·
(714) 990-2900 Dr. Johanna Su, M.D.Fullerton, CA · $16 in drug and device payments (2025) ·
(714) 992-5350 Dr. Minette Finney, MDFullerton, CA · $130 in drug and device payments (2025) ·
(714) 992-3969 Dr. Mirna Demirdjian, MDFullerton, CA · $30 in drug and device payments (2025) ·
(714) 409-6881 Dr. Nicholas Thanos, M.D.Fullerton, CA · No drug or device payments recorded (2025) ·
(714) 990-2900 Dr. Pouran Malekzadeh, MDFullerton, CA · No drug or device payments recorded (2025) ·
(714) 992-5350 Dr. Riana Sandhar, MDFullerton, CA · $29 in drug and device payments (2025) ·
(714) 992-5350 Dr. Robyn Vieth, M.D.Fullerton, CA · $29 in drug and device payments (2025) ·
(714) 992-5350 Dr. Theresa Franks, MDFullerton, CA · $182 in drug and device payments (2025) ·
(714) 992-5350 Dr. Vasiliki Tatsis, MDFullerton, CA · No drug or device payments recorded (2025) ·
(714) 990-2900 Conditions Obstetrics & Gynecology providers in Fullerton, 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.
- Pregnancy care
- Endometriosis
- Fibroids
- PCOS
- Menopause
- Contraception
Common questions
How many Obstetrics & Gynecology providers are in Fullerton, California?There are 17 Obstetrics & Gynecology providers with active NPI records practicing in Fullerton, according to federal NPPES data refreshed monthly.
What conditions do Obstetrics & Gynecology providers in Fullerton treat?Obstetrics & Gynecology providers in Fullerton 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 Fullerton Obstetrics & Gynecology across California