Brendan Mamon, MD
NPI 1215727789 · Internal Medicine Physician · Grand Blanc, MI
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Brendan Mamon, MD is a Internal Medicine Physician provider in Grand Blanc, MI (NPI 1215727789).
Provider details
- NPI number
- 1215727789
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 4351054653 (MI)
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
1 yr 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
- 2025-05-08
- Last updated
- 2025-05-08
- Certified
- 2025-05-08
Frequently asked questions
- What is Brendan Mamon's NPI number?
- Brendan Mamon's National Provider Identifier (NPI) is 1215727789, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brendan Mamon's specialty?
- Brendan Mamon is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Brendan Mamon located?
- Brendan Mamon's practice location on file with NPPES is 1 Genesys Pkwy, Grand Blanc, MI 48439-8065.
- What is Brendan Mamon's phone number?
- The practice phone number listed in the NPPES registry for Brendan Mamon is (810) 606-5000.
- Does Brendan Mamon accept Medicare?
- Brendan Mamon is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Brendan Mamon's NPI active?
- Yes — Brendan Mamon's NPI (1215727789) is active in the NPPES registry as of the last update on 2025-05-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.