LYNNE BRENNAN LMSW
NPI 1437987252
Social Worker - Clinical in Lansing, MI
About Lynne Brennan Lmsw NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LYNNE BRENNAN LMSW (NPI 1437987252) is an individual clinical provider in Lansing, Michigan, licensed in Michigan (6801119993) and active in the NPI registry since July 2024. She is enrolled in Medicare PECOS, is affiliated with Edward W Sparrow Hospital, and maintains a secondary practice location in Lansing.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Lynne Brennan Lmsw is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Lynne Brennan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Lansing, MI 48912
- Reassigned Medicare billing, Michigan enrollment
- 916 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Edward W Sparrow Hospital
Acute Care Hospitals · Lansing, MIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 48912 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Lynne Brennan's NPI number?
The NPI number for Lynne Brennan is 1437987252. It was assigned to this individual provider in the NPPES registry on July 23, 2024.
Where is Lynne Brennan located?
Lynne Brennan practices at 2127 Vassar Dr, Lansing, MI 48912. The listed phone number is (517) 262-2146.
What is Lynne Brennan's specialty?
The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.
Is Lynne Brennan enrolled in Medicare?
Yes. Lynne Brennan is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Lynne Brennan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Lynne Brennan reassigns Medicare benefits to Edward W. Sparrow Hospital Association (Lansing, MI). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Lynne Brennan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Lynne Brennan accept?
Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company, Oscar Insurance Company and Priority Health list Lynne Brennan as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Lynne Brennan affiliated with any hospitals?
According to CMS data, Lynne Brennan is affiliated with Edward W Sparrow Hospital.
When was this NPI record last updated?
The NPPES record for Lynne Brennan was last updated on June 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Lynne Brennan, LMSW · NPI 1437987252
Clinical provider in Lansing, Michigan. Individual provider, active in the CMS NPPES registry since July 23, 2024.
## Identity
- **NPI:** 1437987252 (Entity type: Individual)
- **Enumerated:** July 23, 2024
- **Primary specialty:** Social Worker - Clinical · taxonomy 1041C0700X
- **State license:** 6801119993 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 2127 VASSAR DR, Lansing, MI 48912-5131
- **Phone:** (517) 262-2146
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Edward W. Sparrow Hospital Association (NPI 1295788404, Lansing, MI), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2013
## Record status
- **NPPES last updated:** June 2, 2026
---
Source: [NPI Profile](https://npiprofile.com/npi/1437987252) · Data from the CMS NPPES public registry.