MARIAH LYNN DEYOUNG (LMSW) – Social Worker, NPI 1447342019

MARIAH LYNN DEYOUNG (LMSW) is a healthcare provider. based in Grand rapids, Michigan. specializing in CLINICAL SOCIAL WORKER. They hold the professional credentials LMSW. They hold a License No. 6801086780 (MI). The NPI Number for MARIAH LYNN DEYOUNG (LMSW) is 1447342019

Main info

Female
21 Years Of Experience
Accepts Medicare Assignment
Name
MARIAH LYNN DEYOUNG (LMSW)
NPI
1447342019
Phone
(616) 455-5000
Address
300 68TH ST SE
Enumeration Date
29 September 2006
Last Update Date
5 February 2025

Doctor Profile

Medical School Name
OTHER
Secondary Phone
6164555000
Graduation Year
2005 (21 years ago)
PAC ID
2163512047
Group Practice PAC ID
4981506508
Professional Enrollment ID
I20071214000698
Address ID
MI495486927GR300XXSEXX400
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience67
Completeness75
Years active:19State licenses:1Digital endpointsOther names

4,821 CLINICAL SOCIAL WORKER in MI

Provider Addresses for MARIAH LYNN DEYOUNG (LMSW)

  • 300 68TH ST SE

    GRAND RAPIDS, MI 495486927

    Phone: (616) 455-5000

    Type: Mailing

  • 1236 W HENDERSON RD

    LAKE ODESSA, MI 488499544

    Phone: (616) 318-5098

    Type: Mailing

  • Apple Tree Drive, Ionia, Ionia Township, Ionia County, Michigan, 48846, United States

    IONIA, MI 488467506

    Phone: (606) 527-1790

    Fax: (606) 527-0538

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2007-12-14

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20071214000698IClinical Social WorkerMITBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 49548)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 4981506508View full group profile
NameSpecialtyState
Clinical Social WorkerMI
Clinical Social WorkerIA
P S Y C H I A T R YMI
Clinical PsychologistMI
-MI
Mental Health CounselorMI
Clinical Social WorkerNY
Clinical Social WorkerMI
Clinical PsychologistMI
Clinical Social WorkerMI

Reviews

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Frequently asked questions

Can I verify MARIAH LYNN DEYOUNG (LMSW) with an NPI only?
You can start verification with NPI 1447342019 for MARIAH LYNN DEYOUNG (LMSW), then check state licensing separately.
Is MARIAH LYNN DEYOUNG (LMSW) listed as active for patients and plans?
The listing shows MARIAH LYNN DEYOUNG (LMSW) as active in the NPI system.
What healthcare role does MARIAH LYNN DEYOUNG (LMSW) hold?
Scheduling teams often label MARIAH LYNN DEYOUNG (LMSW) under Social Worker. Clinical services aligned with this taxonomy classification.
Where is MARIAH LYNN DEYOUNG (LMSW) based?
MARIAH LYNN DEYOUNG (LMSW) is tied to Grand Rapids, Michigan in the data we show; additional addresses may exist on the full record.
What does 'Individual Provider' mean on this profile?
Entity type tells you whether the number belongs to a person or an organization.

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