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Dr. John Truett Guthrie, PH.D.

Clinical Psychologist in Pasadena, CA · enumerated 2013 · practices at Stem Psychological Services.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1508109612

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Registry record

Entity type Individual (Type 1)
Name Dr. John Truett Guthrie
Credential PH.D.
Sex Male
Practice address 595 E Colorado Blvd Ste 632, Pasadena, CA, 91101
Phone (626) 864-5925
Enumeration date Mar 27, 2013
Last updated in NPPES May 12, 2025

Taxonomy & licenses

101YM0800X Mental Health Counselor Behavioral Health & Social Service Providers · License PSY28998 (CA) Secondary
103TC0700X Clinical Psychologist Behavioral Health & Social Service Providers · License PSY28998 (CA) Primary
PHD · Doctor of Philosophy: A doctoral degree; in healthcare often held by clinical psychologists and researchers. About the PHD credential

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

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Frequently asked questions

What is the NPI number for John Guthrie?
The National Provider Identifier (NPI) for John Guthrie is 1508109612, a Type 1 (individual) record in the CMS NPPES registry.
Where does John Guthrie practice?
The practice location on file with NPPES is in Pasadena, CA. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-05-12.