Individual provider · Type 1 NPI

Matthew Craig Williams, MD

Child & Adolescent Psychiatry Physician · Mill Valley, CA

NPI number 1326626797 Active

Practice location

655 Redwood Hwy Frontage Rd Ste 261
Mill Valley, CA 94941-3011

Specialties and licenses

TaxonomyCodeLicense
Child & Adolescent Psychiatry Physician Primary 2084P0804XA186478 (CA)
Psychiatry Physician 2084P0800XA186478 (CA)

Child & Adolescent Psychiatry Physician: Child & Adolescent Psychiatry is a subspecialty of psychiatry with additional skills and training in the diagnosis and treatment of developmental, behavioral, emotional, and mental disorders of childhood and adolescence.

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About NPI 1326626797

Matthew Craig Williams, MD's National Provider Identifier is 1326626797, issued on Mar 29, 2021. The primary taxonomy on file is Child & Adolescent Psychiatry Physician (2084P0804X), and the practice location is in Mill Valley, CA. The record was last updated on Jun 9, 2026.