William Mcnamara, M.D.
NPI 1952398638 · Family Medicine Physician · Grayling, MI
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Mcnamara, M.D. is a Family Medicine Physician provider in Grayling, MI (NPI 1952398638).
Provider details
- NPI number
- 1952398638
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- WM046962 (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
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
- 2005-09-29
- Last updated
- 2010-08-27
Frequently asked questions
- What is William Mcnamara's NPI number?
- William Mcnamara's National Provider Identifier (NPI) is 1952398638, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Mcnamara's specialty?
- William Mcnamara is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Mcnamara located?
- William Mcnamara's practice location on file with NPPES is 1010 W North Down River Rd, Grayling, MI 49738-2060.
- What is William Mcnamara's phone number?
- The practice phone number listed in the NPPES registry for William Mcnamara is (989) 348-7671.
- Does William Mcnamara accept Medicare?
- William Mcnamara is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Mcnamara's NPI active?
- Yes — William Mcnamara's NPI (1952398638) is active in the NPPES registry as of the last update on 2010-08-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.