Gregory Max, M.D.
NPI 1538138615 · Psychiatry Physician · Oswego, NY
Gregory Max, M.D. is a Psychiatry Physician provider in Oswego, NY (NPI 1538138615).
Provider details
- NPI number
- 1538138615
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 156672-1 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
- 2006-03-14
- Last updated
- 2015-04-10
Frequently asked questions
- What is Gregory Max's NPI number?
- Gregory Max's National Provider Identifier (NPI) is 1538138615, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Max's specialty?
- Gregory Max is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Max located?
- Gregory Max's practice location on file with NPPES is 74 Bunner Street, Oswego, NY 13126.
- What is Gregory Max's phone number?
- The practice phone number listed in the NPPES registry for Gregory Max is (718) 960-6159.
- Is Gregory Max's NPI active?
- Yes — Gregory Max's NPI (1538138615) is active in the NPPES registry as of the last update on 2015-04-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.