NPPES file of Aug 9, 2026

Adrian C. Tsang, MD

Uveitis and Ocular Inflammatory Disease (Ophthalmology) Physician · San Francisco, CA

Adrian C. Tsang, MD is a uveitis and ocular inflammatory disease (ophthalmology) physician with a practice address in San Francisco, California, and NPI 1033782636, issued on Jul 21, 2021. Check the license (California 2055427, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1033782636
Name
Adrian C. Tsang
Credential
MD
Primary taxonomy
Uveitis and Ocular Inflammatory Disease (Ophthalmology) Physician 207WX0108X
License number
2055427 CA
Self-reported in NPPES; status is on the state search
Practice location
490 Illinois St, San Francisco, CA 94158
Phone
(415) 514-0793
Enumerated
Jul 21, 2021
Record last updated
Jul 21, 2021 (not updated in 5 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 490 Illinois St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Sugeile Benavidez QuezadaLicensed Vocational Nurse1285594531
  2. Samantha Chan, ODOptometrist1861179806
  3. Michael Chang, ODOptometrist1811792435
  4. Tiffany Chen, OD, MSOptometrist1114601465
  5. Adrienne Coulter, ODOptometrist1447923073
  6. William Doan Nguyen, ODOptometrist1689564486

Verify Adrian C. Tsang in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 2055427
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

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Uveitis and Ocular Inflammatory Disease (Ophthalmology) Physician providers in California

There are 8 uveitis and ocular inflammatory disease (ophthalmology) physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other uveitis and ocular inflammatory disease (ophthalmology) physician records in California

  1. Judy ChenPasadena, CA1801240916
  2. Sanjay Kedhar, M.D.Irvine, CA1700833951
  3. Jennifer Lee, M.D.Santee, CA1053708305
  4. Olivia Lee, M.D.Irvine, CA1134279995
  5. Quan Nguyen, MDStanford, CA1487608766
  6. Sarju Patel, M.D. MSCSacramento, CA1730384876
  7. Edmund Tsui, MDLos Angeles, CA1255743712

Common questions

What is Adrian C. Tsang, MD's NPI number?

Adrian C. Tsang, MD's National Provider Identifier (NPI) is 1033782636, issued on Jul 21, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Adrian C. Tsang, MD located?

The NPPES record lists a practice address at 490 Illinois St, San Francisco, CA, 94158. Phone: (415) 514-0793. Providers update this record themselves, so call before visiting.

How can I verify Adrian C. Tsang, MD's license?

NPPES lists California license number 2055427, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.