Carol Mast, MSW, CSW
NPI 1659324978 · Clinical Social Worker · Shelby, MI
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Carol Mast, MSW, CSW is a Clinical Social Worker provider in Shelby, MI (NPI 1659324978).
Provider details
- NPI number
- 1659324978
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- MSW, CSW
- Sex
- Female
- Sole proprietor
- No
- License
- 6801071977 (MI)
Specialties & taxonomies
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
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
- 2006-05-18
- Last updated
- 2014-05-07
Frequently asked questions
- What is Carol Mast's NPI number?
- Carol Mast's National Provider Identifier (NPI) is 1659324978, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Carol Mast's specialty?
- Carol Mast is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Carol Mast located?
- Carol Mast's practice location on file with NPPES is 71 Bevier St, Shelby, MI 49455-1209.
- What is Carol Mast's phone number?
- The practice phone number listed in the NPPES registry for Carol Mast is (231) 861-2187.
- Does Carol Mast accept Medicare?
- Carol Mast is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Carol Mast's NPI active?
- Yes — Carol Mast's NPI (1659324978) is active in the NPPES registry as of the last update on 2014-05-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.