Fertility Specialists (Reproductive Endocrinologists) in California
Data updated monthly · Last refresh October 2026
271 Reproductive Endocrinology providers practice in California, including 4 (1%) offering telehealth. The largest concentration is in Los Angeles. Profiles include federal Open Payments records of money received from drug and device companies in 2025. Listings are drawn from federal public records and are not endorsements.
271providers
4telehealth
Los Angelestop city
Reproductive Endocrinology by city in California
Choose a city to see providers there.
Where Fertility Specialists (Reproductive Endocrinologists) in California practice
From CMS Medicare enrollment records covering 24 of the 271 providers listed here (9%). Providers who do not bill Medicare are not included in these figures.
Largest practice groups
| Group (as registered with Medicare) | Fertility Specialists (Reproductive Endocrinologists) | All clinicians in group | Main city |
| Sutter Bay Medical Foundation | 5 | 3,783 | San Jose |
| University of California San Francisco | 5 | 1,780 | San Francisco |
| Regents of the University of California | 3 | 2,047 | San Diego |
| The Regents of the University of California | 2 | 53 | Los Angeles |
Sources: CMS Doctors and Clinicians (August 2026) and Facility Affiliation files (August 2026); hospital ownership type and overall star rating from CMS Hospital General Information (July 2026). A clinician in several groups is counted once, in the largest group they bill through. Ownership type is what the hospital reports to CMS; it does not show private equity or other investor ownership. How we build this directory.
Reproductive Endocrinology providers in California
Listed by city, largest first. 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. Anita Singh-craighead, M.D.Agoura Hills, CA · $116 in drug and device payments (2025) ·
(818) 889-4532 Dr. Arnold Jacobson, M.D.Alamo, CA · No drug or device payments recorded (2025) ·
(925) 831-2542 Dr. Brian Su, M.D.Alhambra, CA · No drug or device payments recorded (2025) ·
(626) 943-9536 Dr. Banafsheh Kashani, M.D.Aliso Viejo, CA · $250 in drug and device payments (2025) ·
(949) 848-4500 Dr. Nidhee Sachdev, MDAliso Viejo, CA · $259 in drug and device payments (2025) ·
(949) 848-4500 Dr. Pravin Goud, MDAnaheim, CA · No drug or device payments recorded (2025) ·
(833) 988-9898 Dr. Eileen Chen, MDArcadia, CA · No drug or device payments recorded (2025) ·
(626) 445-8877 Dr. Ramchandra Rao Ayyagari, M.D.Bakersfield, CA · No drug or device payments recorded (2025) ·
(661) 323-3266 Dr. Gerald Karten, MDBellflower, CA · No drug or device payments recorded (2025) ·
(562) 461-3000 Dr. Salim Fadil, MDBellflower, CA · No drug or device payments recorded (2025) ·
(562) 461-3000 Dr. Ryszard Chetkowski, M.D.Berkeley, CA · No drug or device payments recorded (2025) ·
(510) 649-0440 Dr. Alin Akopians, M.D.Beverly Hills, CA · $10,430 in drug and device payments (2025) ·
(310) 277-2393 Dr. Arnold Mahesan, MDBeverly Hills, CA · No drug or device payments recorded (2025) ·
(310) 623-6888 Dr. Hal Danzer, M.D.Beverly Hills, CA · $67 in drug and device payments (2025) ·
(310) 277-2393 Dr. Homayoun SadeghiBeverly Hills, CA · $20 in drug and device payments (2025) ·
(310) 278-5700 Dr. Sam Najmabadi, MDBeverly Hills, CA · $329 in drug and device payments (2025) ·
(310) 360-7584 Dr. Shahin Ghadir, MDBeverly Hills, CA · $493 in drug and device payments (2025) ·
(310) 943-5820 Dr. Sharon Winer, M.D., M.P.HBeverly Hills, CA · $53,400 in drug and device payments (2025) ·
(310) 274-9100 Dr. Eric Sills, M.D.Carlsbad, CA · No drug or device payments recorded (2025) ·
(949) 899-5686 Dr. Carolina Sueldo, M.D. Dr. Bert Davidson, MDColton, CA · No drug or device payments recorded (2025) ·
(909) 580-6320 Dr. Sohila Zarandy, M.D.Corona Del Mar, CA · No drug or device payments recorded (2025) ·
(949) 640-7332 Dr. Donald Galen, MDDanville, CA · No drug or device payments recorded (2025) ·
(925) 736-1992 Dr. Mary Abusief, M.D.East Palo Alto, CA · $306 in drug and device payments (2025) ·
(650) 322-1900 Dr. Gil Mileikowsky, MDEncino, CA · No drug or device payments recorded (2025) ·
(818) 981-1888 Dr. Jeffrey Steinberg, M.D.Encino, CA · No drug or device payments recorded (2025) ·
(818) 728-4600 Dr. John Kuo, M.D., PH.D. Dr. Norry Huffman, MDFontana, CA · No drug or device payments recorded (2025) ·
(909) 427-3910 Dr. Shirley Fong, MDFontana, CA · No drug or device payments recorded (2025) ·
(909) 427-5711 Dr. Arian Khorshid, MDFoster City, CA · $226 in drug and device payments (2025) ·
(866) 472-4483 Dr. Minh Ho, M.D.Fountain Valley, CA · $348 in drug and device payments (2025) ·
(714) 429-5848 Dr. Vitaly Kushnir, M.D.Fountain Valley, CA · $104 in drug and device payments (2025) ·
(714) 513-1399 Dr. Jon Proctor, MDFremont, CA · No drug or device payments recorded (2025) ·
(510) 248-6900 Dr. Sunny Jun, MDFremont, CA · $199 in drug and device payments (2025) ·
(510) 490-1222 Dr. Vaishnavi Purusothaman, M.D.Fremont, CA · No drug or device payments recorded (2025) ·
(510) 248-6900 Dr. Wen-hui Shen, MDFremont, CA · No drug or device payments recorded (2025) ·
(510) 795-3000 Dr. Daniel Potter, M.D.Fullerton, CA · $274 in drug and device payments (2025) ·
(714) 738-4200 Dr. Se-ung Kim, M.D.Fullerton, CA · No drug or device payments recorded (2025) ·
(657) 243-8300 Dr. Lauren Rubal, M.D.Garden Grove, CA · No drug or device payments recorded (2025) ·
(888) 988-2800 Dr. Kathleen Kornafel, M.D.PHDGlendale, CA · $47 in drug and device payments (2025) ·
(818) 242-9933 Dr. Michele Evans, M.D.Glendale, CA · $22 in drug and device payments (2025) ·
(626) 440-9161 Dr. Rodolfo Quintero, M.D.Glendale, CA · $108 in drug and device payments (2025) ·
(818) 230-7778 Dr. Roselyn Dinsay, MDGlendale, CA · $51 in drug and device payments (2025) ·
(818) 246-7245 Dr. Jennifer Agard, M.D.Greenbrae, CA · $18 in drug and device payments (2025) ·
(415) 925-9404 Dr. Peter Uzelac, M.D.Greenbrae, CA · No drug or device payments recorded (2025) ·
(415) 925-9404 Dr. Catherine Gordon, M.D. Common questions
How many Reproductive Endocrinology providers are in California?There are 271 Reproductive Endocrinology providers with active NPI records practicing in California, according to federal NPPES data refreshed monthly.
Do Reproductive Endocrinology providers in California offer telehealth?Yes. 4 of the 271 Reproductive Endocrinology providers in California (about 1%) report offering telehealth services in CMS data.
Which cities in California have the most Reproductive Endocrinology providers?Los Angeles (34), San Francisco (30), San Diego (19) have the highest concentration of Reproductive Endocrinology providers in California.
How many Reproductive Endocrinology providers in California received drug or device company payments?166 of 271 Reproductive Endocrinology providers in California (61%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.
Where does this data come from?Provider counts and profiles 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.
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