Ophthalmologists in California
Data updated monthly · Last refresh October 2026
2,887 Ophthalmology providers practice in California, including 100 (3%) 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.
2,887providers
100telehealth
Los Angelestop city
Ophthalmology by city in California
Choose a city to see providers there.
Ophthalmology 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. Ramy Rashad, MD, MBAStanford, CA · $23 in drug and device payments (2025) ·
(650) 723-4000 Dr. Sachin Rajpal, MDStanford, CA · No drug or device payments recorded (2025) ·
(650) 723-4000 Dr. Sahil Shah, MD, PHDStanford, CA · $168 in drug and device payments (2025) ·
(650) 723-4000 Dr. Sarah Cheng, MDStanford, CA · No drug or device payments recorded (2025) ·
(650) 723-4000 Dr. Sean Collon, MDStanford, CA · $690 in drug and device payments (2025) ·
(650) 723-4000 Dr. Sen Yang, MDStanford, CA · No drug or device payments recorded (2025) ·
(650) 723-4000 Dr. Shefali Sood, MDStanford, CA · $398 in drug and device payments (2025) ·
(650) 723-4000 Dr. Sitara Hirji, MDStanford, CA · $1,385 in drug and device payments (2025) ·
(650) 723-4000 Dr. Suria Sudhakaran Mannil, MBBSStanford, CA · No drug or device payments recorded (2025) ·
(650) 723-4000 Dr. Susan Ryu, MDStanford, CA · $69 in drug and device payments (2025) ·
(650) 723-4000 Dr. Suzann Pershing, M.D.Stanford, CA · No drug or device payments recorded (2025) ·
(650) 723-6995 Dr. Vinit Mahajan, MD PHDStanford, CA · $264 in drug and device payments (2025) ·
(650) 723-4000 Dr. Wendy Liu, MD, PHDStanford, CA · $264 in drug and device payments (2025) ·
(650) 723-4000 Dr. Alan Nakanishi, M.D.Stockton, CA · No drug or device payments recorded (2025) ·
(209) 478-1797 Dr. Daniel Choi, M.D.Stockton, CA · $5,422 in drug and device payments (2025) ·
(209) 952-3700 Dr. Daniel Levinsohn, M.D.Stockton, CA · No drug or device payments recorded (2025) ·
(209) 623-4706 Dr. Daniel Sisemore, MDStockton, CA · No drug or device payments recorded (2025) ·
(209) 952-3700 Dr. Daniel Wee, M.D.Stockton, CA · $91 in drug and device payments (2025) ·
(209) 623-4700 Dr. Diana Zanoni-potts, MDStockton, CA · $67 in drug and device payments (2025) ·
(209) 476-2000 Dr. Ethan Tittler, M.D.Stockton, CA · $539 in drug and device payments (2025) ·
(209) 952-3700 Dr. Geert Craenen, MDStockton, CA · No drug or device payments recorded (2025) ·
(209) 476-2000 Dr. Harold Hand, M.D.Stockton, CA · No drug or device payments recorded (2025) ·
(209) 474-2121 Dr. Hossein Saadati, MDStockton, CA · No drug or device payments recorded (2025) ·
(209) 476-2000 Dr. James Khu, M.D.Stockton, CA · No drug or device payments recorded (2025) ·
(209) 476-3300 Dr. Jane Galustian, MDStockton, CA · No drug or device payments recorded (2025) ·
(209) 476-2000 Dr. Jeffrey Ing, M.D.Stockton, CA · $75 in drug and device payments (2025) ·
(209) 478-1797 Dr. John Canzano, M.D.Stockton, CA · $526 in drug and device payments (2025) ·
(209) 466-5566 Dr. John Zeiter, M.D.Stockton, CA · $377 in drug and device payments (2025) ·
(209) 466-5566 Dr. Josepha Mensah-adubofour, MDStockton, CA · No drug or device payments recorded (2025) ·
(209) 476-2000 Dr. Joseph Zeiter, M.D.Stockton, CA · $483 in drug and device payments (2025) ·
(209) 466-5566 Dr. Joseph Zeiter, MDStockton, CA · $73 in drug and device payments (2025) ·
(209) 466-5566 Dr. Luke Simon, DOStockton, CA · $199 in drug and device payments (2025) ·
(209) 466-5566 Dr. Mark Rezac, MDStockton, CA · No drug or device payments recorded (2025) ·
(209) 476-2000 Dr. Michael Deines, MDStockton, CA · No drug or device payments recorded (2025) ·
(209) 476-2000 Dr. Nina Nordgren, MDStockton, CA · No drug or device payments recorded (2025) ·
(209) 476-2185 Dr. On-tat Lee, M.D.Stockton, CA · $202 in drug and device payments (2025) ·
(209) 478-1797 Dr. Richard Wong, M.D.Stockton, CA · $111 in drug and device payments (2025) ·
(209) 466-5566 Dr. Robert Foster, MDStockton, CA · No drug or device payments recorded (2025) ·
(209) 952-3700 Dr. Sarah Dehaybi, M.D.Stockton, CA · No drug or device payments recorded (2025) ·
(209) 623-4700 Dr. Stephen Lin, MDStockton, CA · $721 in drug and device payments (2025) ·
(209) 952-3700 Dr. Stevens Kim, MDStockton, CA · $505 in drug and device payments (2025) ·
(209) 952-3700 Dr. Tin Way, MDStockton, CA · No drug or device payments recorded (2025) ·
(209) 476-2185 Dr. Yun Liu, MDStockton, CA · $121 in drug and device payments (2025) ·
(209) 476-2000 Dr. Anne Ziffer, MDSunnyvale, CA · No drug or device payments recorded (2025) ·
(408) 524-5900 Dr. Barbara Erny, MDSunnyvale, CA · $54 in drug and device payments (2025) ·
(408) 524-5900 Dr. Carol Winton, MDSunnyvale, CA · No drug or device payments recorded (2025) ·
(408) 524-5900 Dr. David Mark, M.D.Sunnyvale, CA · $20 in drug and device payments (2025) ·
(408) 739-6200 Dr. Elizabeth Snedden, M.D.Sunnyvale, CA · $55 in drug and device payments (2025) ·
(408) 524-5900 Dr. Jerry Lai, M.D.Sunnyvale, CA · $35 in drug and device payments (2025) ·
(408) 524-5900 Dr. Jill Ackerman, MDSunnyvale, CA · $103 in drug and device payments (2025) ·
(408) 524-5900 Conditions Ophthalmology providers in California commonly treat
Patients often search by condition rather than specialty. These are conditions typically managed by Ophthalmology providers. Individual practices vary, so confirm with the provider before booking.
- Macular degeneration
- Cataracts
- Glaucoma
- Diabetic retinopathy
- Dry eye
- Retinal detachment
Common questions
How many Ophthalmology providers are in California?There are 2,887 Ophthalmology providers with active NPI records practicing in California, according to federal NPPES data refreshed monthly.
Do Ophthalmology providers in California offer telehealth?Yes. 100 of the 2,887 Ophthalmology providers in California (about 3%) report offering telehealth services in CMS data.
Which cities in California have the most Ophthalmology providers?Los Angeles (310), San Francisco (167), San Diego (145) have the highest concentration of Ophthalmology providers in California.
How many Ophthalmology providers in California received drug or device company payments?1,682 of 2,887 Ophthalmology providers in California (58%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.
What conditions do Ophthalmology providers in California treat?Ophthalmology providers commonly treat macular degeneration, cataracts, glaucoma, diabetic retinopathy, dry eye and related conditions. Individual practices vary, so confirm with the provider before booking.
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.
Do most Ophthalmologists in California work in independent practices or large health systems?Among 1,840 Ophthalmologists in California enrolled in Medicare, 46% bill through a solo or small practice with fewer than 10 clinicians, 16% through a mid-size group of 10 to 99, and 38% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
Which hospitals do Ophthalmologists in California work at?According to CMS facility affiliation records, the California hospitals where the most Ophthalmologists hold privileges are Ronald Reagan UCLA Medical Center in Los Angeles; UCSF Medical Center in San Francisco; California Pacific Medical Center- Van Ness Campus in San Francisco.
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