Obstetrics & Gynecology in Santa Ana, California
Data updated monthly · Last refresh September 2026
26 Obstetrics & Gynecology providers practice in Santa Ana, and 31% received drug or device company payments in 2025. Listings are drawn from federal public records and are not endorsements.
Obstetrics & Gynecology providers in Santa Ana
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. Akta Patel, M.D.Santa Ana, CA · $131 in drug and device payments (2025) ·
(714) 796-7881 Dr. Ambica Garg, M. D.Santa Ana, CA · $7 in drug and device payments (2025) ·
(714) 953-1112 Dr. Amir Nasseri, M.D.Santa Ana, CA · No drug or device payments recorded (2025) ·
(714) 966-9094 Dr. Christopher Donnelly, M.D.Santa Ana, CA · No drug or device payments recorded (2025) ·
(714) 967-4700 Dr. Daniel Reich, MDSanta Ana, CA · $51 in drug and device payments (2025) ·
(714) 543-4880 Dr. Debora Sedaghat, DOSanta Ana, CA · $111 in drug and device payments (2025) ·
(714) 953-4242 Dr. Diemchi Nguyenphuc, MDSanta Ana, CA · $306 in drug and device payments (2025) ·
(714) 929-2300 Dr. Emad Hashemi, M.D.Santa Ana, CA · $29 in drug and device payments (2025) ·
(714) 929-2300 Dr. Ernestine Wen, M.DSanta Ana, CA · No drug or device payments recorded (2025) ·
(714) 967-4792 Dr. George Kallins, M.D.Santa Ana, CA · No drug or device payments recorded (2025) ·
(714) 668-8888 Dr. Hossein KaniSanta Ana, CA · No drug or device payments recorded (2025) ·
(714) 972-2111 Dr. Hubert Jeng, M.DSanta Ana, CA · No drug or device payments recorded (2025) ·
(714) 850-9263 Dr. Hyung Kim, MDSanta Ana, CA · No drug or device payments recorded (2025) ·
(714) 540-7720 Dr. Jaime Ludmir, M.DSanta Ana, CA · $72 in drug and device payments (2025) ·
(714) 754-7799 Dr. Janel Yoshida, MDSanta Ana, CA · No drug or device payments recorded (2025) ·
(714) 830-6500 Dr. Jay Masserman, M.D.Santa Ana, CA · No drug or device payments recorded (2025) ·
(657) 282-6355 Dr. Jenny Lee, M.D.Santa Ana, CA · No drug or device payments recorded (2025) ·
(714) 929-2493 Dr. Kathy Anderson, M.D.Santa Ana, CA · No drug or device payments recorded (2025) ·
(714) 547-7575 Dr. Pratibha Desai, M D FACOGSanta Ana, CA · No drug or device payments recorded (2025) ·
(714) 834-8780 Dr. Reza Shafee, M.D.Santa Ana, CA · $204 in drug and device payments (2025) ·
(714) 352-2287 Dr. Sergio Levenzon, MDSanta Ana, CA · No drug or device payments recorded (2025) ·
(714) 953-4242 Dr. Sing Tung, MDSanta Ana, CA · No drug or device payments recorded (2025) ·
(714) 754-0498 Dr. Somchai Werasophon, M.D.Santa Ana, CA · No drug or device payments recorded (2025) ·
(714) 542-1331 Dr. Van Nguyen, DOSanta Ana, CA · No drug or device payments recorded (2025) ·
(714) 929-2300 Dr. Vincent Welter, M.D.Santa Ana, CA · No drug or device payments recorded (2025) ·
(877) 569-5671 Dr. Witoon Krailas, MDSanta Ana, CA · No drug or device payments recorded (2025) ·
(714) 554-8966 Conditions Obstetrics & Gynecology providers in Santa Ana, 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 Santa Ana, California?There are 26 Obstetrics & Gynecology providers with active NPI records practicing in Santa Ana, according to federal NPPES data refreshed monthly.
How many Obstetrics & Gynecology providers in Santa Ana received drug or device company payments?8 of 26 (31%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.
What conditions do Obstetrics & Gynecology providers in Santa Ana treat?Obstetrics & Gynecology providers in Santa Ana 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 Santa Ana Obstetrics & Gynecology across California