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. Christopher Engelman, MDLos Gatos, CA · $1,270 in drug and device payments (2025) ·
(408) 354-9510 Dr. Harrup Kaur, M.D., M.H.SC.Los Gatos, CA · $299 in drug and device payments (2025) ·
(408) 940-3930 Dr. Irene Hsu-dresdenLos Gatos, CA · $72 in drug and device payments (2025) ·
(408) 399-9009 Dr. Martin Fishman, M.D.Los Gatos, CA · $417 in drug and device payments (2025) ·
(408) 354-9510 Dr. Ryan Basham, MDLos Gatos, CA · $883 in drug and device payments (2025) ·
(408) 354-4740 Dr. Tony Andrews, M.D.Los Gatos, CA · No drug or device payments recorded (2025) ·
(408) 358-1234 Dr. Hanna Shammas, M.D.Lynwood, CA · $10,507 in drug and device payments (2025) ·
(310) 638-9391 Dr. Joseph Peters, M.D.Lynwood, CA · No drug or device payments recorded (2025) ·
(310) 638-9391 Dr. Maya Shammas, M.D.Lynwood, CA · $2,027 in drug and device payments (2025) ·
(310) 638-9391 Dr. Thanh-thao Vu, MDLynwood, CA · $358 in drug and device payments (2025) ·
(310) 635-7550 Dr. Theodore OkieLynwood, CA · No drug or device payments recorded (2025) ·
(310) 638-9391 Dr. Rayna Piskova, M.D.Madera, CA · No drug or device payments recorded (2025) ·
(800) 955-6412 Dr. Victoria Hsu, M.D.Manteca, CA · No drug or device payments recorded (2025) ·
(209) 823-1152 Dr. Bradley Rosen, MDMarina Del Rey, CA · No drug or device payments recorded (2025) ·
(323) 857-2677 Dr. Brian Estwick, MDMarina Del Rey, CA · No drug or device payments recorded (2025) ·
(310) 390-2420 Dr. Glenville March, MDMarina Del Rey, CA · No drug or device payments recorded (2025) ·
(310) 822-0022 Dr. Bruce Merl, MDMartinez, CA · No drug or device payments recorded (2025) ·
(925) 372-1000 Dr. Ernest Tark, MDMartinez, CA · No drug or device payments recorded (2025) ·
(925) 372-2600 Dr. Kevin Beadles, M.D.Martinez, CA · No drug or device payments recorded (2025) ·
(925) 370-5112 Dr. Rebeca Segura-robins, MDMartinez, CA · No drug or device payments recorded (2025) ·
(925) 372-1000 Dr. Sharman Wong, ODMartinez, CA · No drug or device payments recorded (2025) ·
(925) 370-5110 Dr. Thomas Mcdonald, MDMartinez, CA · No drug or device payments recorded (2025) ·
(925) 817-0496 Dr. Douglas Mcgraw, D.O.Marysville, CA · $7,240 in drug and device payments (2025) ·
(530) 743-1873 Dr. Duva ApplemanMather, CA · No drug or device payments recorded (2025) ·
(916) 922-9396 Dr. Mohammad Ashrafzadeh, MDMather, CA · No drug or device payments recorded (2025) ·
(916) 843-7072 Dr. Thomas Johansen, MDMather, CA · No drug or device payments recorded (2025) ·
(916) 366-5463 Dr. Raymond Shelton, MDMenifee, CA · $1,355 in drug and device payments (2025) ·
(951) 301-8888 Dr. Donna Lee, MDMenlo Park, CA · No drug or device payments recorded (2025) ·
(650) 498-6500 Dr. George Nakano, MPH, M.D.Menlo Park, CA · No drug or device payments recorded (2025) ·
(650) 324-0056 Dr. George Paris, MDMenlo Park, CA · No drug or device payments recorded (2025) ·
(650) 498-6500 Dr. Gilbert Kliman, M.D.Menlo Park, CA · $429,989 in drug and device payments (2025) ·
(650) 854-8585 Dr. Jack Kabak, M.D.Menlo Park, CA · No drug or device payments recorded (2025) ·
(650) 324-1156 Dr. Sonja Declercq, MDMenlo Park, CA · No drug or device payments recorded (2025) ·
(650) 325-3937 Dr. Gary Graham, M.D.Merced, CA · No drug or device payments recorded (2025) ·
(209) 383-1111 Dr. Kenneth Grossman, M.D. Dr. Arnold Rabin, M.D.Mill Valley, CA · No drug or device payments recorded (2025) ·
(415) 380-1950 Dr. Hang Ly, MDMilpitas, CA · No drug or device payments recorded (2025) ·
(650) 945-2900 Dr. Kris Karlen, MDMilpitas, CA · No drug or device payments recorded (2025) ·
(650) 945-2900 Dr. Tina Ku, M.D.Milpitas, CA · No drug or device payments recorded (2025) ·
(408) 945-2658 Dr. Adam Tanaka, MD, MPH, MSMission Hills, CA · $294 in drug and device payments (2025) ·
(818) 365-0606 Dr. Brian Chang, M.D.Mission Hills, CA · $402 in drug and device payments (2025) ·
(818) 365-9531 Dr. Danny Kim, M.D.Mission Hills, CA · No drug or device payments recorded (2025) ·
(818) 365-9531 Dr. Derek Mai, M.D.Mission Hills, CA · $48 in drug and device payments (2025) ·
(818) 869-7269 Dr. Kathryn Park, MDMission Hills, CA · No drug or device payments recorded (2025) ·
(818) 365-9531 Dr. Kayur Shah, MD.Mission Hills, CA · $104 in drug and device payments (2025) ·
(818) 365-9531 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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