Isaac Williamson, LMSW
NPI 1043639446 · Social Worker · Ypsilanti, MI
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Isaac Williamson, LMSW is a Social Worker provider in Ypsilanti, MI (NPI 1043639446).
Provider details
- NPI number
- 1043639446
- Entity type
- Individual
- Primary specialty
- Social WorkerBehavioral Health & Social Service Providers
- Credential
- LMSW
- Sex
- Male
- Sole proprietor
- Yes
- License
- C-02603 (MI)
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
12 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
- 2014-04-14
- Last updated
- 2024-08-21
Frequently asked questions
- What is Isaac Williamson's NPI number?
- Isaac Williamson's National Provider Identifier (NPI) is 1043639446, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Isaac Williamson's specialty?
- Isaac Williamson is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).
- Where is Isaac Williamson located?
- Isaac Williamson's practice location on file with NPPES is 1205 Collegewood St, Ypsilanti, MI 48197-2134.
- What is Isaac Williamson's phone number?
- The practice phone number listed in the NPPES registry for Isaac Williamson is (734) 216-0688.
- Does Isaac Williamson accept Medicare?
- Isaac Williamson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Isaac Williamson's NPI active?
- Yes — Isaac Williamson's NPI (1043639446) is active in the NPPES registry as of the last update on 2024-08-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.