John Griffin, MD
NPI 1679644082 · Hematology & Oncology Physician · Plattsburgh, NY
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Griffin, MD is a Hematology & Oncology Physician provider in Plattsburgh, NY (NPI 1679644082).
Provider details
- NPI number
- 1679644082
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 146929 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
- 2006-11-10
- Last updated
- 2012-09-11
Frequently asked questions
- What is John Griffin's NPI number?
- John Griffin's National Provider Identifier (NPI) is 1679644082, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Griffin's specialty?
- John Griffin is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is John Griffin located?
- John Griffin's practice location on file with NPPES is 75 Beekman St, Plattsburgh, NY 12901-1438.
- What is John Griffin's phone number?
- The practice phone number listed in the NPPES registry for John Griffin is (518) 562-7100.
- Does John Griffin accept Medicare?
- John Griffin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Griffin's NPI active?
- Yes — John Griffin's NPI (1679644082) is active in the NPPES registry as of the last update on 2012-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.