Liam Gannon, MD
NPI 1780648691 · Family Medicine Physician · Vergennes, VT
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Liam Gannon, MD is a Family Medicine Physician provider in Vergennes, VT (NPI 1780648691).
Provider details
- NPI number
- 1780648691
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 0420010022 (VT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Other Service Providers
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
- 2006-04-17
- Last updated
- 2024-04-16
- Certified
- 2024-04-16
Frequently asked questions
- What is Liam Gannon's NPI number?
- Liam Gannon's National Provider Identifier (NPI) is 1780648691, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Liam Gannon's specialty?
- Liam Gannon is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Liam Gannon located?
- Liam Gannon's practice location on file with NPPES is 100a Macdonough Dr, Vergennes, VT 05491-1057.
- What is Liam Gannon's phone number?
- The practice phone number listed in the NPPES registry for Liam Gannon is (802) 877-0157.
- Does Liam Gannon accept Medicare?
- Liam Gannon is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Liam Gannon's NPI active?
- Yes — Liam Gannon's NPI (1780648691) is active in the NPPES registry as of the last update on 2024-04-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.