John Guthrie, PH.D.
NPI 1508109612 · Clinical Psychologist · Pasadena, CA
John Guthrie, PH.D. is a Clinical Psychologist provider in Pasadena, CA (NPI 1508109612).
Provider details
- NPI number
- 1508109612
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Male
- Sole proprietor
- No
- License
- PSY28998 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
13 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2013-03-27
- Last updated
- 2025-05-12
- Certified
- 2025-05-12
Frequently asked questions
- What is John Guthrie's NPI number?
- John Guthrie's National Provider Identifier (NPI) is 1508109612, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Guthrie's specialty?
- John Guthrie is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is John Guthrie located?
- John Guthrie's practice location on file with NPPES is 595 E Colorado Blvd Ste 632, Pasadena, CA 91101-2052.
- What is John Guthrie's phone number?
- The practice phone number listed in the NPPES registry for John Guthrie is (626) 864-5925.
- Is John Guthrie's NPI active?
- Yes — John Guthrie's NPI (1508109612) is active in the NPPES registry as of the last update on 2025-05-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.