HealthcareDiscovery.AI / Doctors / California / Ophthalmology

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 in Los Angeles310 providers
Ophthalmology in San Francisco167 providers
Ophthalmology in San Diego145 providers
Ophthalmology in Sacramento95 providers
Ophthalmology in San Jose59 providers
Ophthalmology in Stanford51 providers
Ophthalmology in La Jolla50 providers
Ophthalmology in Oakland46 providers
Ophthalmology in Palo Alto45 providers
Ophthalmology in Fresno43 providers
Ophthalmology in Long Beach42 providers
Ophthalmology in Irvine40 providers
Ophthalmology in Orange39 providers
Ophthalmology in Pasadena38 providers
Ophthalmology in Beverly Hills38 providers
Ophthalmology in Loma Linda37 providers
Ophthalmology in Walnut Creek37 providers
Ophthalmology in Santa Rosa34 providers
Ophthalmology in Torrance34 providers
Ophthalmology in Glendale30 providers
Ophthalmology in Stockton30 providers
Ophthalmology in Newport Beach29 providers
Ophthalmology in Encino28 providers
Ophthalmology in Huntington Beach25 providers

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. Mark Volpicelli, M.D.
Torrance, CA · No drug or device payments recorded (2025) · (310) 222-2345
Dr. Mehran Taban, M.D.
Torrance, CA · $3,496 in drug and device payments (2025) · (424) 247-9090
Dr. Michael Harwood, MD
Torrance, CA · No drug or device payments recorded (2025) · (310) 937-6585
Dr. Michael Heeg, M.D.
Torrance, CA · $856 in drug and device payments (2025) · (310) 944-9393
Dr. Patrick Yeh, M.D.
Torrance, CA · $26 in drug and device payments (2025) · (424) 378-1068
Dr. Ray Oyakawa, M.D.
Torrance, CA · $110 in drug and device payments (2025) · (310) 792-1010
Dr. Richard Hoft, M.D.
Torrance, CA · No drug or device payments recorded (2025) · (310) 222-5189
Dr. Robert Schwartz, M.D.
Torrance, CA · No drug or device payments recorded (2025) · (310) 739-6576
Dr. Ron Gallemore, MD
Torrance, CA · $1,202 in drug and device payments (2025) · (310) 944-9393
Dr. Stephen Dinsmore, M.D.
Torrance, CA · No drug or device payments recorded (2025) · (310) 370-3628
Dr. Steven Khwarg, MD
Torrance, CA · $1,180 in drug and device payments (2025) · (310) 326-3503
Dr. Terry Alkana, MD
Torrance, CA · No drug or device payments recorded (2025) · (310) 370-3628
Dr. Jordan Usunov, MD
Tracy, CA · No drug or device payments recorded (2025) · (209) 836-2223
Dr. Pamela Tsuchiya, M.D.
Tracy, CA · $132 in drug and device payments (2025) · (209) 835-2227
Dr. Thomas O'neil, MD
Tracy, CA · No drug or device payments recorded (2025) · (209) 836-1155
Dr. Alexandra Papp, M.D.
Travis Afb, CA · $275 in drug and device payments (2025) · (707) 423-3000
Dr. David Simon, M.D.
Travis Afb, CA · $556 in drug and device payments (2025) · (707) 423-7842
Dr. Emilee Amacker, MD
Travis Afb, CA · $238 in drug and device payments (2025) · (707) 423-5332
Dr. James Hartley, M.D.
Travis Afb, CA · No drug or device payments recorded (2025) · (707) 423-7165
Dr. Joseph Giovannini, M.D.
Travis Afb, CA · No drug or device payments recorded (2025) · (707) 423-7165
Dr. Kevin Kalwerisky, M.D.
Travis Afb, CA · No drug or device payments recorded (2025) · (707) 423-3531
Dr. Jayson Koppinger, MD
Truckee, CA · $56 in drug and device payments (2025) · (530) 587-6011
Dr. Jeffrey Camp, MD
Truckee, CA · $99 in drug and device payments (2025) · (530) 582-3666
Dr. Kenneth Ritchie, MD
Truckee, CA · No drug or device payments recorded (2025) · (530) 582-3666
Dr. Shi-hwa Chang, MD
Truckee, CA · No drug or device payments recorded (2025) · (209) 596-2266
Dr. Murad Sunalp, M.D.
Tulare, CA · No drug or device payments recorded (2025) · (559) 688-3937
Dr. Marshall Contreras, M.D.
Turlock, CA · $24 in drug and device payments (2025) · (209) 634-2925
Dr. Eddy Nguyen, M.D.
Tustin, CA · No drug or device payments recorded (2025) · (714) 665-9890
Dr. Aron Sampson, MD
Ukiah, CA · No drug or device payments recorded (2025) · (707) 462-5250
Dr. Geoffrey Rice, M.D.
Ukiah, CA · $82 in drug and device payments (2025) · (707) 462-2924
Dr. Jack Mason, MD
Ukiah, CA · No drug or device payments recorded (2025) · (707) 462-0581
Dr. Randall Woesner, MD
Ukiah, CA · No drug or device payments recorded (2025) · (707) 463-1659
Dr. Catherine Knox, M.D.
Union City, CA · No drug or device payments recorded (2025) · (510) 454-1000
Dr. Franklin Jeng, MD
Union City, CA · No drug or device payments recorded (2025) · (510) 675-2020
Dr. Geraldine Slean
Union City, CA · $388 in drug and device payments (2025) · Telehealth · (510) 675-2020
Dr. James Lahey, M.D.
Union City, CA · No drug or device payments recorded (2025) · (510) 454-1000
Dr. Jeffrey Lehmer, M.D.
Union City, CA · No drug or device payments recorded (2025) · (510) 454-1000
Dr. John Chan, M.D.
Union City, CA · $169 in drug and device payments (2025) · (510) 454-1000
Dr. Joyce Meza, M.D.
Union City, CA · No drug or device payments recorded (2025) · (510) 675-2020
Dr. Kari Eisley, M.D.
Union City, CA · No drug or device payments recorded (2025) · (510) 454-1000
Dr. Kristina Austin, M.D.
Union City, CA · $192 in drug and device payments (2025) · (510) 454-1000
Dr. Michael Fang-yen, M.D.
Union City, CA · No drug or device payments recorded (2025) · (510) 454-1000
Dr. Sally Lin, MD
Union City, CA · No drug or device payments recorded (2025) · (510) 675-2020
Dr. Shobha Tandon, M.D.
Union City, CA · No drug or device payments recorded (2025) · (510) 431-5511
Dr. Stephen Tanaka, M.D.
Union City, CA · No drug or device payments recorded (2025) · (510) 454-1000
Dr. Sung Choe, M.D.
Union City, CA · No drug or device payments recorded (2025) · (510) 454-1000
Dr. Ying Pan, M.D.
Union City, CA · $286 in drug and device payments (2025) · (510) 454-1000
Dr. Andrea Ching, M.D.
Upland, CA · $558 in drug and device payments (2025) · (909) 982-8846
Dr. Edward Yung, M.D.
Upland, CA · $43,153 in drug and device payments (2025) · (909) 982-8846
Dr. Julie King, M.D.
Upland, CA · No drug or device payments recorded (2025) · (909) 982-8846

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.

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.

Ophthalmology in all 50 states Search all 2,887 in the directory Ask Zach for help choosing

Related

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Sources: NPPES (CMS), Doctors and Clinicians national files, CMS Open Payments 2025. Updated monthly. Records are public federal data and are not verified credentials, licensure checks, or endorsements. This directory is informational and not medical advice. How we build this directory. Are you a Ophthalmology in California? Get featured.