Dermatology
Dr. JOSEPH CHAO MD
Identity confirmed via CMS NPPES · September 30, 2026 · A directory match is not a coverage approval.
Is this your practice? This listing was imported from public provider identity data (CMS NPPES) and has not yet been claimed. Claim this listing to confirm the practice details. Plan acceptance stays unpublished until the practice reports it.
Public record
NPI 1861805210 · enumerated 2014-06-03 · record updated 2023-03-07. Source: CMS NPPES. A listing is not a TRICARE network approval.
NPPES recordGoogle Maps Apple Maps OpenStreetMap
Addresses and phones
- Practice location 1100 VAN NESS AVE FL 6, SAN FRANCISCO, CA, 94109-6978 (415) 600-5778 Fax (520) 800-1169 Google Maps Apple Maps OpenStreetMap
- Mailing address 325 DISTEL CIR, LOS ALTOS, CA, 94022-1408 (415) 600-5778 Fax (415) 369-1385 Google Maps Apple Maps OpenStreetMap
Specialties
- Dermatology 207N00000X · Primary · License A154992 CA
In this directory
Locations and evidence
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Practice location
SAN FRANCISCO, CA, 941096978
Accepting new patientsNot reportedCMS NPPES · September 30, 2026
Plan acceptance
- No published plan acceptance yet. Confirm directly with the practice, or claim this listing if it's yours.