Mary Grambeau, MSW
NPI 1427102284 · Clinical Social Worker · Ann Arbor, MI
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Grambeau, MSW is a Clinical Social Worker provider in Ann Arbor, MI (NPI 1427102284).
Provider details
- NPI number
- 1427102284
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- MSW
- Sex
- Female
- Sole proprietor
- No
- License
- 6801019564 (MI)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
- 2007-01-22
- Last updated
- 2017-03-06
Frequently asked questions
- What is Mary Grambeau's NPI number?
- Mary Grambeau's National Provider Identifier (NPI) is 1427102284, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Grambeau's specialty?
- Mary Grambeau is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Mary Grambeau located?
- Mary Grambeau's practice location on file with NPPES is 4250 Plymouth Rd, Ann Arbor, MI 48109.
- What is Mary Grambeau's phone number?
- The practice phone number listed in the NPPES registry for Mary Grambeau is (734) 764-0231.
- Does Mary Grambeau accept Medicare?
- Mary Grambeau is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Grambeau's NPI active?
- Yes — Mary Grambeau's NPI (1427102284) is active in the NPPES registry as of the last update on 2017-03-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.