Michael Mersy, LMSW
NPI 1649221466 · Social Worker · Saginaw, MI
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Mersy, LMSW is a Social Worker provider in Saginaw, MI (NPI 1649221466).
Provider details
- NPI number
- 1649221466
- Entity type
- Individual
- Primary specialty
- Social WorkerBehavioral Health & Social Service Providers
- Credential
- LMSW
- Sex
- Male
- Sole proprietor
- No
- License
- 6801066221 (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
20 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
- 2006-05-15
- Last updated
- 2007-10-30
Frequently asked questions
- What is Michael Mersy's NPI number?
- Michael Mersy's National Provider Identifier (NPI) is 1649221466, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Mersy's specialty?
- Michael Mersy is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).
- Where is Michael Mersy located?
- Michael Mersy's practice location on file with NPPES is 5024 N Center Rd, Saginaw, MI 48604-9412.
- What is Michael Mersy's phone number?
- The practice phone number listed in the NPPES registry for Michael Mersy is (989) 790-3130.
- Does Michael Mersy accept Medicare?
- Michael Mersy is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Mersy's NPI active?
- Yes — Michael Mersy's NPI (1649221466) is active in the NPPES registry as of the last update on 2007-10-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.