Active NPI
Lynne Brennan, LMSW
- Clinical Social Worker
- Lansing, MI
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Clinical Social Worker
- License
- 6801119993
- Practice address
- 2127 Vassar Dr
Lansing, MI 48912-5131 - Phone
- (517) 262-2146
- NPI assigned
- Jul 23, 2024
- Sex
- Female
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Clinical Social Worker | 1041C0700X | 6801119993 | MI | Primary |
Addresses
Primary practice location
2127 Vassar Dr
Lansing, MI 48912-5131
Mailing address
2127 Vassar Dr
Lansing, MI 48912-5131
Phone (517) 262-2146
Other practice location 1
1200 E Michigan Ave Lowr Leve
Lansing, MI 48912-1800
Phone (517) 364-5330
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in MI
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: No
- Power mobility devices: No
- Hospice: No
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Clinical Social Worker
- Education
- Other, 2013
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
1200 E Michigan Ave Lowr Level
Sparrow Pain Management Center
Lansing, MI 48912-1800
Phone (517) 364-5330
1215 E Michigan Ave
Lansing, MI 48912-1811
2900 Hannah Blvd
Suite B102
East Lansing, MI 48823-5374
Phone (517) 364-8070
Hospital & facility affiliations
- Edward W Sparrow Hospital
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 6801119993 | MI | MD | Clinical Social Worker |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Edward W Sparrow Hospital Association | Clinical | Current | Accepting new patients |
| Edward W. Sparrow Hospital Association | Current | Accepting new patients | |
| Edward W Sparrow Hospital Association | Clinical | Current | Accepting new patients |
Locations
8175 Reliable Pkwy
Chicago, IL 60686
2900 Hannah Blvd
Ste B102
East Lansing, MI 48823
Phone (517) 364-8050
1200 E Michigan Ave
Ste Ll
Lansing, MI 48912
1200 E Michigan Ave
Lowr Leve
Lansing, MI 48912
Phone (517) 364-5330
Organizations & group practices 3
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.
-
- Pediatrics Physician
- Lansing, MI
- NPI 1831139088
-
- Adult Health Nurse Practitioner
- Lansing, MI
- NPI 1265220438
Clinical
Hospital & facility affiliations 2
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Lansing, MI
- NPI 1073588711
-
- General Acute Care Hospital
- Lansing, MI
- NPI 1760710719
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1721692800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1780358400000",
"number": "1437987252",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "2127 VASSAR DR",
"city": "LANSING",
"state": "MI",
"postal_code": "489125131",
"telephone_number": "517-262-2146"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "2127 VASSAR DR",
"city": "LANSING",
"state": "MI",
"postal_code": "489125131",
"telephone_number": "517-262-2146"
}
],
"practiceLocations": [
{
"address_1": "1200 E Michigan Ave Lowr Leve",
"address_purpose": "LOCATION",
"city": "Lansing",
"state": "MI",
"postal_code": "489121800",
"country_code": "US",
"telephone_number": "517-364-5330",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "BRENNAN",
"first_name": "LYNNE",
"credential": "LMSW",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2024-07-23",
"last_updated": "2026-06-02",
"certification_date": "2026-06-02",
"status": "A"
},
"taxonomies": [
{
"code": "1041C0700X",
"taxonomy_group": "",
"desc": "Social Worker, Clinical",
"state": "MI",
"license": "6801119993",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Lansing, MI
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 2, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.