Zenn Timmer, LMSW
NPI 1407312739 · Clinical Social Worker · Grant, MI
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Zenn Timmer, LMSW is a Clinical Social Worker provider in Grant, MI (NPI 1407312739).
Provider details
- NPI number
- 1407312739
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LMSW
- Sex
- Male
- Sole proprietor
- No
- License
- 6801109015 (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
7 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
- 2019-02-12
- Last updated
- 2021-03-17
- Certified
- 2021-03-17
Frequently asked questions
- What is Zenn Timmer's NPI number?
- Zenn Timmer's National Provider Identifier (NPI) is 1407312739, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Zenn Timmer's specialty?
- Zenn Timmer is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Zenn Timmer located?
- Zenn Timmer's practice location on file with NPPES is 331 E State Rd Rm N8, Grant, MI 49327-8504.
- What is Zenn Timmer's phone number?
- The practice phone number listed in the NPPES registry for Zenn Timmer is (318) 342-3762.
- Does Zenn Timmer accept Medicare?
- Zenn Timmer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Zenn Timmer's NPI active?
- Yes — Zenn Timmer's NPI (1407312739) is active in the NPPES registry as of the last update on 2021-03-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.