1. Home
  2. Directory
  3. California
  4. Palo Alto
  5. Psychiatry Neurology
  6. NPI Profile

DR. MATTHEW SINCLAIR STUBBLEFIELD M.D.
NPI 1326215740
Psychiatry & Neurology - Psychiatry in Palo Alto, CA

Active since May 14, 2008
3303 ALMA ST, PALO ALTO, CA 94306(650) 856-0406(650) 856-0140 Get Directions Write a Review

NPPES record last updated: May 14, 2008. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Matthew Sinclair Stubblefield M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MATTHEW SINCLAIR STUBBLEFIELD M.D. (NPI 1326215740) is an individual psychiatry provider in Palo Alto, California, licensed in California (G072442) and active in the NPI registry since May 2008.

NPPES Registry Identity

NPI1326215740
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameDR. MATTHEW SINCLAIR STUBBLEFIELDCredential: M.D.
Location Address3303 ALMA STPalo Alto, CA 94306-3501
Mailing Address3303 Alma StPalo Alto, CA 94306-3501 · (650) 856-0406 · Fax (650) 856-0140
Phone(650) 856-0406
Fax(650) 856-0140
Sole ProprietorYes
Enumeration DateMay 14, 2008
✔ NPI 1326215740 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in CA · G072442
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
3303 ALMA ST, Palo Alto, CA 94306
Open in Google Maps ↗

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Matthew Stubblefield's NPI number?

The NPI number for Matthew Stubblefield is 1326215740. It was assigned to this individual provider in the NPPES registry on May 14, 2008.

Where is Matthew Stubblefield located?

Matthew Stubblefield practices at 3303 Alma St, Palo Alto, CA 94306. The listed phone number is (650) 856-0406.

What is Matthew Stubblefield's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

When was this NPI record last updated?

The NPPES record for Matthew Stubblefield was last updated on May 14, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.