Denise Griggs, LMSW
NPI 1477641900 · Clinical Social Worker · Walker, MI
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Denise Griggs, LMSW is a Clinical Social Worker provider in Walker, MI (NPI 1477641900).
Provider details
- NPI number
- 1477641900
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LMSW
- Sex
- Female
- Sole proprietor
- Yes
- License
- 6801066157 (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
19 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
- 2006-10-10
- Last updated
- 2017-01-28
Frequently asked questions
- What is Denise Griggs's NPI number?
- Denise Griggs's National Provider Identifier (NPI) is 1477641900, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Denise Griggs's specialty?
- Denise Griggs is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Denise Griggs located?
- Denise Griggs's practice location on file with NPPES is 4175 3 Mile Rd Nw, Walker, MI 49534-1133.
- What is Denise Griggs's phone number?
- The practice phone number listed in the NPPES registry for Denise Griggs is (616) 453-6100.
- Does Denise Griggs accept Medicare?
- Denise Griggs is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Denise Griggs's NPI active?
- Yes — Denise Griggs's NPI (1477641900) is active in the NPPES registry as of the last update on 2017-01-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.