Diane Lonnerstater
NPI 1215477906 · Clinical Social Worker · Walled Lake, MI
Diane Lonnerstater is a Clinical Social Worker provider in Walled Lake, MI (NPI 1215477906).
Provider details
- NPI number
- 1215477906
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- Yes
- License
- 6801046555 (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
9 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
- 2017-03-01
- Last updated
- 2017-03-01
Frequently asked questions
- What is Diane Lonnerstater's NPI number?
- Diane Lonnerstater's National Provider Identifier (NPI) is 1215477906, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diane Lonnerstater's specialty?
- Diane Lonnerstater is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Diane Lonnerstater located?
- Diane Lonnerstater's practice location on file with NPPES is 1010 E West Maple Rd, Walled Lake, MI 48390-3571.
- What is Diane Lonnerstater's phone number?
- The practice phone number listed in the NPPES registry for Diane Lonnerstater is (248) 313-2900.
- Is Diane Lonnerstater's NPI active?
- Yes — Diane Lonnerstater's NPI (1215477906) is active in the NPPES registry as of the last update on 2017-03-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.