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Gregory Ryan, PSY.D.
NPI 1144765850 · Psychologist · Miller Place, NY
Gregory Ryan, PSY.D. is a Psychologist provider in Miller Place, NY (NPI 1144765850).
Provider details
- NPI number
- 1144765850
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- PSY.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 021145 (NY)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(70/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
9 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
4 Sunset Ln E
Miller Place, NY 11764-1644
Phone: (516) 965-8792
Street-level locationGet directions
Mailing address
4 Sunset Ln E
Miller Place, NY 11764-1644
Registry dates
- Enumerated
- 2017-01-04
- Last updated
- 2017-01-04
Frequently asked questions
- What is Gregory Ryan's NPI number?
- Gregory Ryan's National Provider Identifier (NPI) is 1144765850, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Ryan's specialty?
- Gregory Ryan is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Gregory Ryan located?
- Gregory Ryan's practice location on file with NPPES is 4 Sunset Ln E, Miller Place, NY 11764-1644.
- What is Gregory Ryan's phone number?
- The practice phone number listed in the NPPES registry for Gregory Ryan is (516) 965-8792.
- Is Gregory Ryan's NPI active?
- Yes — Gregory Ryan's NPI (1144765850) is active in the NPPES registry as of the last update on 2017-01-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.