Cornea and External Diseases Specialists in California
Data updated monthly · Last refresh October 2026
56 Cornea and External Diseases Specialist providers practice in California, including 6 (11%) offering telehealth. The largest concentration is in Sacramento. 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.
56providers
6telehealth
Sacramentotop city
Cornea and External Diseases Specialist by city in California
Choose a city to see providers there.
Where Cornea and External Diseases Specialists in California practice
From CMS Medicare enrollment records covering 47 of the 56 providers listed here (84%). Providers who do not bill Medicare are not included in these figures.
30%solo or small practice (under 10 clinicians)
17%mid-size group (10 to 99)
53%large group or health system (100+)
Largest practice groups
| Group (as registered with Medicare) | Cornea and External Diseases Specialists | All clinicians in group | Main city |
| Stanford Health Care | 6 | 3,152 | Stanford |
| Regents of the University of California | 4 | 52 | Orange |
| Regents of the Univ of Ca | 3 | 1,571 | Sacramento |
| Sharp Rees-Stealy Medical Group Inc. | 3 | 872 | San Diego |
| Regents of the University of California | 2 | 2,047 | San Diego |
Hospitals where they hold privileges
| Hospital | City | Ownership | CMS star rating | Cornea and External Diseases Specialists affiliated |
| Stanford Health Care | Stanford | Nonprofit | 5 of 5 | 6 |
| Uci Health-Orange | Orange | Government | 4 of 5 | 4 |
| University of California Davis Medical Center | Sacramento | Government | 4 of 5 | 3 |
| Sharp Memorial Hospital | San Diego | Nonprofit | 4 of 5 | 3 |
| UC San Diego Health Hillcrest - Hillcrest Med Ctr | San Diego | Nonprofit | 5 of 5 | 2 |
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.
Cornea and External Diseases Specialist 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. Thomas VoBaldwin Park, CA · $961 in drug and device payments (2025) ·
(646) 960-3741 Dr. Jillian Chong, M.D.Beverly Hills, CA · $52,693 in drug and device payments (2025) ·
(310) 273-2333 Dr. Colin Ip, MDChula Vista, CA · $1,805 in drug and device payments (2025) ·
(619) 378-3202 Dr. Michael Savetsky, MDCulver City, CA · $2,530 in drug and device payments (2025) ·
(310) 868-8185 Dr. Nada JabbourDoha, CA · No drug or device payments recorded (2025) ·
(615) 887-1012 Dr. Alexander Foster, M.D.Encinitas, CA · $2,838 in drug and device payments (2025) ·
(760) 631-3500 Dr. Lucy Zhang, M.D.Greenbrae, CA · $866 in drug and device payments (2025) · Telehealth ·
(415) 461-8200 Dr. Elizabeth Shen, M.D.Irvine, CA · $7,388 in drug and device payments (2025) ·
(949) 753-1163 Dr. Jimmy Lee, M.D.Irvine, CA · $2,965 in drug and device payments (2025) ·
(949) 878-3258 Dr. Lawrence Chao, MDIrvine, CA · $16,470 in drug and device payments (2025) ·
(949) 679-2426 Dr. Matthew Wade, M.D.Irvine, CA · $3,068 in drug and device payments (2025) ·
(949) 824-0158 Dr. Sumit Garg, M.D.Irvine, CA · $178,849 in drug and device payments (2025) ·
(949) 824-2020 Dr. Rami GabrielLaguna Hills, CA · $795 in drug and device payments (2025) ·
(949) 588-2020 Dr. Angela Nahl, MDLa Jolla, CA · $593 in drug and device payments (2025) ·
(858) 551-4100 Dr. Rakhi Ammar, MDLa Jolla, CA · $2,599 in drug and device payments (2025) ·
(858) 455-6800 Dr. Hannah Marie Muniz Castro, MDLa Quinta, CA · $401 in drug and device payments (2025) ·
(760) 469-5213 Dr. Stephanie Chen, MDLos Altos, CA · $134 in drug and device payments (2025) ·
(650) 948-9123 Dr. Amber HoangMonterey Park, CA · $146 in drug and device payments (2025) ·
(626) 299-2020 Dr. Reza Moradi, MDNewport Beach, CA · $7,739 in drug and device payments (2025) ·
(949) 270-6063 Dr. David Choi, MDRiverside, CA · $1,473 in drug and device payments (2025) · Telehealth ·
(951) 585-1800 Dr. Bradley Barnett, M.D., PH.D.Sacramento, CA · $2,201 in drug and device payments (2025) ·
(916) 957-1515 Dr. Erika Ellis, MD, PHDSacramento, CA · $123 in drug and device payments (2025) ·
(916) 734-6602 Dr. Hyelin You, MDSacramento, CA · $1,118 in drug and device payments (2025) ·
(916) 688-2000 Dr. Jeffrey Ma, M.D.Sacramento, CA · $114 in drug and device payments (2025) ·
(630) 399-8013 Dr. Lillian Tran, MDSacramento, CA · $486 in drug and device payments (2025) ·
(916) 734-6602 Dr. Mark Rosenblatt, MDSacramento, CA · No drug or device payments recorded (2025) ·
(916) 734-6602 Dr. Mathew Margolis, MDSacramento, CA · $216 in drug and device payments (2025) ·
(916) 734-6602 Dr. Milad Modabber, MD, FRCSC, MSSacramento, CA · $280 in drug and device payments (2025) ·
(916) 734-6602 Dr. Rikki Enzor, MD, PHDSacramento, CA · $1,269 in drug and device payments (2025) ·
(916) 734-6602 Dr. Adam Dao, MDSan Diego, CA · $24 in drug and device payments (2025) ·
(619) 226-1877 Dr. Alexi GeevargheseSan Diego, CA · $131 in drug and device payments (2025) ·
(800) 926-8273 Dr. Bishoy Said, MDSan Diego, CA · $146 in drug and device payments (2025) · Telehealth ·
(858) 499-2600 Dr. Eric Linebarger, M.D.San Diego, CA · No drug or device payments recorded (2025) ·
(858) 939-5400 Dr. Gabriel Valerio, M.D.San Diego, CA · $246 in drug and device payments (2025) ·
(619) 532-6700 Dr. Shyamanga Borooah, MDSan Diego, CA · No drug or device payments recorded (2025) ·
(800) 926-8273 Dr. Tommy Korn, M.D.San Diego, CA · No drug or device payments recorded (2025) · Telehealth ·
(858) 939-5400 Dr. Joanne Choi, MDSan Francisco, CA · $159 in drug and device payments (2025) ·
(415) 421-8667 Dr. Ori Saban, MDSan Francisco, CA · No drug or device payments recorded (2025) ·
(628) 230-0217 Dr. Tyson Kim, M.D, PH.D.San Francisco, CA · $90,000 in drug and device payments (2025) · Telehealth ·
(415) 502-1127 Dr. Kirsten Wagner, M.D.Santa Barbara, CA · $421 in drug and device payments (2025) ·
(805) 681-7500 Dr. Kathryn Gardner, M.D.Santa Monica, CA · No drug or device payments recorded (2025) ·
(310) 451-3911 Dr. William Christian, M.D.Santa Monica, CA · $3,019 in drug and device payments (2025) ·
(310) 828-5888 Dr. Michael Saidel, MDSonoma, CA · $1,007 in drug and device payments (2025) ·
(707) 996-1052 Dr. Bethlehem Mekonnen, MDStanford, CA · $31 in drug and device payments (2025) · Telehealth ·
(650) 723-4000 Dr. Charles Lin, MDStanford, CA · $278 in drug and device payments (2025) ·
(650) 723-4000 Dr. Charles Yu, MDStanford, CA · $31 in drug and device payments (2025) ·
(650) 723-4000 Dr. David Myung, MDStanford, CA · $31 in drug and device payments (2025) ·
(650) 723-4000 Common questions
How many Cornea and External Diseases Specialist providers are in California?There are 56 Cornea and External Diseases Specialist providers with active NPI records practicing in California, according to federal NPPES data refreshed monthly.
Do Cornea and External Diseases Specialist providers in California offer telehealth?Yes. 6 of the 56 Cornea and External Diseases Specialist providers in California (about 11%) report offering telehealth services in CMS data.
Which cities in California have the most Cornea and External Diseases Specialist providers?Sacramento (9), San Diego (7), Stanford (7) have the highest concentration of Cornea and External Diseases Specialist providers in California.
How many Cornea and External Diseases Specialist providers in California received drug or device company payments?49 of 56 Cornea and External Diseases Specialist providers in California (88%) 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.
Do most Cornea and External Diseases Specialists in California work in independent practices or large health systems?Among 47 Cornea and External Diseases Specialists in California enrolled in Medicare, 30% bill through a solo or small practice with fewer than 10 clinicians, 17% through a mid-size group of 10 to 99, and 53% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
Which hospitals do Cornea and External Diseases Specialists in California work at?According to CMS facility affiliation records, the California hospitals where the most Cornea and External Diseases Specialists hold privileges are Stanford Health Care in Stanford; Uci Health-Orange in Orange; University of California Davis Medical Center in Sacramento.
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