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John Martin, PH.D.
NPI 1972738557 · Clinical Psychologist · Long Beach, CA
John Martin, PH.D. is a Clinical Psychologist provider in Long Beach, CA (NPI 1972738557).
Provider details
- NPI number
- 1972738557
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- PSY 11498 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(85/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 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
4510 E Pacific Coast Hwy
Suite 210
Long Beach, CA 90804-3279
Phone: (877) 651-3370
Street-level locationGet directions
Mailing address
375 Redondo Ave # 286
Long Beach, CA 90814-8130
Registry dates
- Enumerated
- 2009-05-26
- Last updated
- 2014-09-17
Frequently asked questions
- What is John Martin's NPI number?
- John Martin's National Provider Identifier (NPI) is 1972738557, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Martin's specialty?
- John Martin is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is John Martin located?
- John Martin's practice location on file with NPPES is 4510 E Pacific Coast Hwy, Long Beach, CA 90804-3279.
- What is John Martin's phone number?
- The practice phone number listed in the NPPES registry for John Martin is (877) 651-3370.
- Is John Martin's NPI active?
- Yes — John Martin's NPI (1972738557) is active in the NPPES registry as of the last update on 2014-09-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.