Diane Heinlein, MSW
NPI 1538212444 · Clinical Social Worker · Howell, MI
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Diane Heinlein, MSW is a Clinical Social Worker provider in Howell, MI (NPI 1538212444).
Provider details
- NPI number
- 1538212444
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- MSW
- Sex
- Female
- Sole proprietor
- No
- License
- 6801064791 (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
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
- 2007-07-08
Frequently asked questions
- What is Diane Heinlein's NPI number?
- Diane Heinlein's National Provider Identifier (NPI) is 1538212444, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diane Heinlein's specialty?
- Diane Heinlein is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Diane Heinlein located?
- Diane Heinlein's practice location on file with NPPES is 2280 E Grand River Ave, Howell, MI 48843-8503.
- What is Diane Heinlein's phone number?
- The practice phone number listed in the NPPES registry for Diane Heinlein is (517) 546-4126.
- Does Diane Heinlein accept Medicare?
- Diane Heinlein is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Diane Heinlein's NPI active?
- Yes — Diane Heinlein's NPI (1538212444) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.