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

William R Crain, MD

Individual provider Dermatology Physician · NPI 1669523338

William R Crain, MD is a Dermatology Physician in Oakland, California. Licensed in California. Registered with an NPI since 2007.

Licensed in
CA
In the registry since
2007
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

3300 Webster St #509
Oakland, CA 94609-3117
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 number1669523338
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJanuary 16, 2007
Last updated in NPPESSeptember 11, 2025
Mailing address3300 Webster St, 509, Oakland, CA 94609-3117

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