Individual provider · Type 1 NPI

William G. Annan, MD

Specialist · Garden Grove, CA

NPI number 1124010384 Active

Practice location

12555 Garden Grove Blvd, Suite 302
Garden Grove, CA 92843-1902

Call (714) 530-3270 Map

Fax (714) 530-3278

Specialties and licenses

TaxonomyCodeLicense
Specialist Primary 174400000XG13787 (CA)

Specialist: An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.

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About NPI 1124010384

William G. Annan, MD's National Provider Identifier is 1124010384, issued on Aug 15, 2005. The primary taxonomy on file is Specialist (174400000X), and the practice location is in Garden Grove, CA. The record was last updated on Jul 13, 2026.