IndividualActive
Mary Johnston, LMSW
NPI 1184912982 · Clinical Social Worker · Muskegon, MI
Mary Johnston, LMSW is a Clinical Social Worker provider in Muskegon, MI (NPI 1184912982).
Provider details
- NPI number
- 1184912982
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LMSW
- Sex
- Female
- Sole proprietor
- No
- License
- 6801090662 (MI)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(81/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
14 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
376 E Apple Ave
Muskegon, MI 49442-3466
Phone: (231) 724-1111
Fax: (231) 724-1300
Street-level locationGet directions
Mailing address
376 E Apple Ave
Muskegon, MI 49442-3466
Registry dates
- Enumerated
- 2011-07-13
- Last updated
- 2011-07-13
Frequently asked questions
- What is Mary Johnston's NPI number?
- Mary Johnston's National Provider Identifier (NPI) is 1184912982, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Johnston's specialty?
- Mary Johnston is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Mary Johnston located?
- Mary Johnston's practice location on file with NPPES is 376 E Apple Ave, Muskegon, MI 49442-3466.
- What is Mary Johnston's phone number?
- The practice phone number listed in the NPPES registry for Mary Johnston is (231) 724-1111.
- Is Mary Johnston's NPI active?
- Yes — Mary Johnston's NPI (1184912982) is active in the NPPES registry as of the last update on 2011-07-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.