Marie Griffioen, LLMSW
NPI 1457290405 · Clinical Social Worker · Grand Rapids, MI
Marie Griffioen, LLMSW is a Clinical Social Worker provider in Grand Rapids, MI (NPI 1457290405).
Provider details
- NPI number
- 1457290405
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LLMSW
- Sex
- Female
- Sole proprietor
- Yes
- License
- 6851119721 (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
Under 1 yr in 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
- 2026-03-26
- Last updated
- 2026-03-26
- Certified
- 2026-03-26
Frequently asked questions
- What is Marie Griffioen's NPI number?
- Marie Griffioen's National Provider Identifier (NPI) is 1457290405, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marie Griffioen's specialty?
- Marie Griffioen is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Marie Griffioen located?
- Marie Griffioen's practice location on file with NPPES is 2020 Raybrook St Se Ste 305, Grand Rapids, MI 49546-7717.
- What is Marie Griffioen's phone number?
- The practice phone number listed in the NPPES registry for Marie Griffioen is (616) 202-4444.
- Is Marie Griffioen's NPI active?
- Yes — Marie Griffioen's NPI (1457290405) is active in the NPPES registry as of the last update on 2026-03-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.