Mary Lynn Brown, LMSW
NPI 1538918107 · Clinical Social Worker · Petoskey, MI
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Lynn Brown, LMSW is a Clinical Social Worker provider in Petoskey, MI (NPI 1538918107).
Provider details
- NPI number
- 1538918107
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LMSW
- Sex
- Female
- Sole proprietor
- Yes
- License
- 6801118480 (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
2 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
- 2024-05-16
- Last updated
- 2024-05-16
- Certified
- 2024-05-16
Frequently asked questions
- What is Mary Lynn Brown's NPI number?
- Mary Lynn Brown's National Provider Identifier (NPI) is 1538918107, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Lynn Brown's specialty?
- Mary Lynn Brown is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Mary Lynn Brown located?
- Mary Lynn Brown's practice location on file with NPPES is 1420 Plaza Dr, Petoskey, MI 49770-9420.
- What is Mary Lynn Brown's phone number?
- The practice phone number listed in the NPPES registry for Mary Lynn Brown is (231) 347-7890.
- Does Mary Lynn Brown accept Medicare?
- Mary Lynn Brown is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Lynn Brown's NPI active?
- Yes — Mary Lynn Brown's NPI (1538918107) is active in the NPPES registry as of the last update on 2024-05-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.