George Gammon, MD
NPI 1053438267 · Addiction Medicine (Psychiatry & Neurology) Physician · Hamden, CT
George Gammon, MD is a Addiction Medicine (Psychiatry & Neurology) Physician provider in Hamden, CT (NPI 1053438267).
Provider details
- NPI number
- 1053438267
- Entity type
- Individual
- Primary specialty
- Addiction Medicine (Psychiatry & Neurology) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 020807 (CT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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
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
- 2007-03-23
- Last updated
- 2025-09-11
Frequently asked questions
- What is George Gammon's NPI number?
- George Gammon's National Provider Identifier (NPI) is 1053438267, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is George Gammon's specialty?
- George Gammon is listed in the NPPES registry with a primary specialty of Addiction Medicine (Psychiatry & Neurology) Physician (Allopathic & Osteopathic Physicians).
- Where is George Gammon located?
- George Gammon's practice location on file with NPPES is 33 Edgehill Ter, Hamden, CT 06517-4017.
- What is George Gammon's phone number?
- The practice phone number listed in the NPPES registry for George Gammon is (203) 865-6540.
- Is George Gammon's NPI active?
- Yes — George Gammon's NPI (1053438267) is active in the NPPES registry as of the last update on 2025-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.