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

William R Crain MD Inc

Organization Dermatology Physician · NPI 1316008147

William R Crain MD Inc is a Dermatology Physician in Oakland, California. Licensed in California. Registered with an NPI since 2006.

Licensed in
CA
In the registry since
2006
Specialties on file
2
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

3300 Webster St #509
Oakland, CA 94609
Phone: (510) 452-4900
Fax: (510) 452-2152
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Procedural Dermatology Physician (primary) Taxonomy 207NS0135X · Licence C031924 (CA)
Dermatology Physician Taxonomy 207N00000X · Licence C031924 (CA)

Record details

NPI number1316008147
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official William Crain — Physician Owner · (510) 452-4900
NPI enumeratedDecember 13, 2006
Last updated in NPPESSeptember 11, 2025
Mailing address3300 Webster St, 509, Oakland, CA 94609

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