Nancy Brennan, LMSW
NPI 1598155442 · Clinical Social Worker · Southfield, MI
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nancy Brennan, LMSW is a Clinical Social Worker provider in Southfield, MI (NPI 1598155442).
Provider details
- NPI number
- 1598155442
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LMSW
- Sex
- Female
- Sole proprietor
- Yes
- License
- 6801096436 (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
11 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
- 2015-01-30
- Last updated
- 2022-10-24
- Certified
- 2022-10-24
Frequently asked questions
- What is Nancy Brennan's NPI number?
- Nancy Brennan's National Provider Identifier (NPI) is 1598155442, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nancy Brennan's specialty?
- Nancy Brennan is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Nancy Brennan located?
- Nancy Brennan's practice location on file with NPPES is 17320 W 12 Mile Rd, Southfield, MI 48076.
- What is Nancy Brennan's phone number?
- The practice phone number listed in the NPPES registry for Nancy Brennan is (248) 727-3456.
- Does Nancy Brennan accept Medicare?
- Nancy Brennan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nancy Brennan's NPI active?
- Yes — Nancy Brennan's NPI (1598155442) is active in the NPPES registry as of the last update on 2022-10-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.