Lynne Brennan, LMSW
NPI 1437987252 · Clinical Social Worker · Lansing, MI
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Lynne Brennan, LMSW is a Clinical Social Worker provider in Lansing, MI (NPI 1437987252).
Provider details
- NPI number
- 1437987252
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LMSW
- Sex
- Female
- Sole proprietor
- No
- License
- 6801119993 (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
1 yr in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 1200 E Michigan Ave Lowr LeveLansing, MI 48912-1800Phone: (517) 364-5330
Registry dates
- Enumerated
- 2024-07-23
- Last updated
- 2026-06-02
- Certified
- 2026-06-02
Frequently asked questions
- What is Lynne Brennan's NPI number?
- Lynne Brennan's National Provider Identifier (NPI) is 1437987252, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lynne Brennan's specialty?
- Lynne Brennan is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Lynne Brennan located?
- Lynne Brennan's practice location on file with NPPES is 2127 Vassar Dr, Lansing, MI 48912-5131.
- What is Lynne Brennan's phone number?
- The practice phone number listed in the NPPES registry for Lynne Brennan is (517) 262-2146.
- Does Lynne Brennan accept Medicare?
- Lynne Brennan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Lynne Brennan's NPI active?
- Yes — Lynne Brennan's NPI (1437987252) is active in the NPPES registry as of the last update on 2026-06-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.