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GEORGE DAVIS GAMMON MD
NPI 1053438267
Psychiatry & Neurology - Addiction Medicine in Hamden, CT

Active since March 23, 2007
33 EDGEHILL TER, HAMDEN, CT 06517(203) 865-6540 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About George Davis Gammon Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

GEORGE DAVIS GAMMON MD (NPI 1053438267) is an individual addiction medicine provider in Hamden, Connecticut, licensed in Connecticut (020807) and active in the NPI registry since March 2007.

NPPES Registry Identity

NPI1053438267
Entity TypeIndividualMale
Primary Taxonomy2084A0401X
Provider Legal NameGEORGE DAVIS GAMMONCredential: MD
Location Address33 EDGEHILL TERHamden, CT 06517-4017
Mailing Address33 Edgehill TerHamden, CT 06517-4017 · (203) 865-6540
Phone(203) 865-6540
Sole ProprietorYes
Enumeration DateMarch 23, 2007
Last NPPES UpdateSeptember 11, 2025
✔ NPI 1053438267 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtyPsychiatry & Neurology · Addiction MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2084A0401X
License✔ Licensed in CT · 020807
Definition
A doctor of osteopathy board eligible/certified in the field of Psychiatry by the American Osteopathic Board of Neurology and Psychiatry is able to obtain a Certificate of Added Qualifications in the field of Addiction Medicine
Also ListedPsychiatry & Neurology · PsychiatryTaxonomy 2084P0800X · License 020807 (CT)
Also ListedPsychiatry & Neurology · Addiction PsychiatryTaxonomy 2084P0802X · License 020807 (CT)
Also ListedPsychiatry & Neurology · Child & Adolescent PsychiatryTaxonomy 2084P0804X · License 020807 (CT)
33 EDGEHILL TER, Hamden, CT 06517
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Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is George Gammon's NPI number?

The NPI number for George Gammon is 1053438267. It was assigned to this individual provider in the NPPES registry on March 23, 2007.

Where is George Gammon located?

George Gammon practices at 33 Edgehill Ter, Hamden, CT 06517. The listed phone number is (203) 865-6540.

What is George Gammon's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Addiction Medicine, with taxonomy code 2084A0401X.

When was this NPI record last updated?

The NPPES record for George Gammon was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.