Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

William W. Kwan, MD, Inc

Organization Dermatology Physician · NPI 1174685937

William W. Kwan, MD, Inc is a Dermatology Physician in San Francisco, California. Licensed in California. Registered with an NPI since 2006.

Licensed in
CA
In the registry since
2006
What do these letters mean?
Inc — Incorporated
A form of business registration, not a clinical qualification.

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Practice location Address checks out

360 Post St 1005
San Francisco, CA 94108-4912
Phone: (415) 749-6800
Fax: (415) 749-6802
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Dermatology Physician (primary) Taxonomy 207N00000X · Licence G73605 (CA)

Record details

NPI number1174685937
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official William Kwan — Owner · (415) 749-6800
NPI enumeratedDecember 15, 2006
Last updated in NPPESJune 20, 2008
Mailing address360 Post St, 1005, San Francisco, CA 94108-4912

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