Leif Griffin, PSYD
NPI 1518333913 · Clinical Psychologist · Mamaroneck, NY
Leif Griffin, PSYD is a Clinical Psychologist provider in Mamaroneck, NY (NPI 1518333913).
Provider details
- NPI number
- 1518333913
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PSYD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 31909 (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
10 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
- 2015-08-19
- Last updated
- 2024-07-10
- Certified
- 2024-07-10
Frequently asked questions
- What is Leif Griffin's NPI number?
- Leif Griffin's National Provider Identifier (NPI) is 1518333913, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leif Griffin's specialty?
- Leif Griffin is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Leif Griffin located?
- Leif Griffin's practice location on file with NPPES is 180 E Prospect Ave Ste 1002, Mamaroneck, NY 10543-3709.
- What is Leif Griffin's phone number?
- The practice phone number listed in the NPPES registry for Leif Griffin is (510) 898-8806.
- Is Leif Griffin's NPI active?
- Yes — Leif Griffin's NPI (1518333913) is active in the NPPES registry as of the last update on 2024-07-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.