Mariah Lynn Deyoung, LMSW
Clinical Social Worker · Grand Rapids, MI
Mariah Lynn Deyoung, LMSW is a clinical social worker with a practice address in Grand Rapids, Michigan, and NPI 1447342019, issued on Sep 29, 2006. Check the license (Michigan 6801086780, as entered in NPPES) with the Michigan board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Mariah Lynn Deyoung
- Credential
- LMSW
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- 6801086780 MI
Self-reported in NPPES; status is on the state search - Practice location
- 300 68TH St SE, Grand Rapids, MI 49548
- Phone
- (616) 258-7467
- Enumerated
- Sep 29, 2006
- Record last updated
- Feb 5, 2025
- Medicaid ID
- 1715928 MI
- Entity
- Type 1 · individual
8 nearest clinical social worker records → All 17,644 in Michigan → Look up another NPI →
Also registered at 300 68TH St SE
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mariah Lynn Deyoung in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Michigan board licenses this profession
Search for license 6801086780Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Mariah Lynn Deyoung among 17,644 clinical social worker records in Michigan
Mariah Lynn Deyoung, LMSW is one of 17,644 clinical social worker records with a practice address in Michigan. 14% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than under 1% of them.
- NPI issued2006 · under 1% of these records are older, 91% newer
- In a Medicare fileNo · 14% of these records are
- In the CMS Doctors and Clinicians fileNo · 20% of these records are
- Record last updated2025 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1041C0700X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,604 clinical social worker records list a practice address in Grand Rapids
They are 1,604 of the 18,005 NPPES records with a practice address in Grand Rapids, and 17,644 clinical social worker records in Michigan. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 17,644 in Michigan → Every provider in Grand Rapids → Clinical Social Worker nationwide →
The 8 clinical social worker records with the nearest ZIP codes
- Amanda Batenburg-Drake, LLMSWGrand Rapids, MI 495481558436287
- Lisa Borden, BSGrand Rapids, MI 495481356495196
- Christa Galer, LMSW, CAADC, CCSGrand Rapids, MI 495481548355985
- Barbara Gritter, LMSW, ACSWGrand Rapids, MI 495481508881806
- Jean Holthaus, LISW, LMSWGrand Rapids, MI 495481992733182
- Matthew Jachalke, LMSWGrand Rapids, MI 495481306833439
- Kimberly Jackson, LMSWGrand Rapids, MI 495481750492336
- Patrice Jonker, LMSWGrand Rapids, MI 495481922164938
Common questions
What is Mariah Lynn Deyoung, LMSW's NPI number?
Mariah Lynn Deyoung, LMSW's National Provider Identifier (NPI) is 1447342019, issued on Sep 29, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mariah Lynn Deyoung, LMSW located?
The NPPES record lists a practice address at 300 68TH St SE, Grand Rapids, MI, 49548. Phone: (616) 258-7467. Providers update this record themselves, so call before visiting.
How can I verify Mariah Lynn Deyoung, LMSW's license?
NPPES lists Michigan license number 6801086780, as entered by the provider. Search the Michigan board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.