Gregory Hamlin
NPI 1609113042 · Clinical Psychologist · Santa Clarita, CA
Gregory Hamlin is a Clinical Psychologist provider in Santa Clarita, CA (NPI 1609113042).
Provider details
- NPI number
- 1609113042
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- Yes
- License
- PSY16871 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
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
- 2013-01-04
- Last updated
- 2013-01-04
Frequently asked questions
- What is Gregory Hamlin's NPI number?
- Gregory Hamlin's National Provider Identifier (NPI) is 1609113042, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Hamlin's specialty?
- Gregory Hamlin is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Gregory Hamlin located?
- Gregory Hamlin's practice location on file with NPPES is 25050 Avenue Kearny, Santa Clarita, CA 91355-1255.
- What is Gregory Hamlin's phone number?
- The practice phone number listed in the NPPES registry for Gregory Hamlin is (661) 297-2326.
- Is Gregory Hamlin's NPI active?
- Yes — Gregory Hamlin's NPI (1609113042) is active in the NPPES registry as of the last update on 2013-01-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.