Gannon Mcgrath
NPI 1275193427 · Surgery Physician · Brighton, MA
Enrolled with Medicare as Order and Referring Only - General Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gannon Mcgrath is a Surgery Physician provider in Brighton, MA (NPI 1275193427).
Provider details
- NPI number
- 1275193427
- Entity type
- Individual
- Primary specialty
- Surgery PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- 280854 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
7 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$15 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2019-06-19
- Last updated
- 2019-06-19
Frequently asked questions
- What is Gannon Mcgrath's NPI number?
- Gannon Mcgrath's National Provider Identifier (NPI) is 1275193427, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gannon Mcgrath's specialty?
- Gannon Mcgrath is listed in the NPPES registry with a primary specialty of Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Gannon Mcgrath located?
- Gannon Mcgrath's practice location on file with NPPES is 736 Cambridge St, Brighton, MA 02135-2907.
- What is Gannon Mcgrath's phone number?
- The practice phone number listed in the NPPES registry for Gannon Mcgrath is (651) 789-3000.
- Does Gannon Mcgrath accept Medicare?
- Gannon Mcgrath is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gannon Mcgrath's NPI active?
- Yes — Gannon Mcgrath's NPI (1275193427) is active in the NPPES registry as of the last update on 2019-06-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.