Mariah Deyoung, LMSW
NPI 1447342019 · Clinical Social Worker · Grand Rapids, MI
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mariah Deyoung, LMSW is a Clinical Social Worker provider in Grand Rapids, MI (NPI 1447342019).
Provider details
- NPI number
- 1447342019
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LMSW
- Sex
- Female
- Sole proprietor
- No
- License
- 6801086780 (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
- 2006-09-29
- Last updated
- 2025-02-05
- Certified
- 2025-02-05
Frequently asked questions
- What is Mariah Deyoung's NPI number?
- Mariah Deyoung's National Provider Identifier (NPI) is 1447342019, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mariah Deyoung's specialty?
- Mariah Deyoung is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Mariah Deyoung located?
- Mariah Deyoung's practice location on file with NPPES is 300 68th St Se, Grand Rapids, MI 49548-6927.
- What is Mariah Deyoung's phone number?
- The practice phone number listed in the NPPES registry for Mariah Deyoung is (616) 258-7467.
- Does Mariah Deyoung accept Medicare?
- Mariah Deyoung is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mariah Deyoung's NPI active?
- Yes — Mariah Deyoung's NPI (1447342019) is active in the NPPES registry as of the last update on 2025-02-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.