NPPES file of Aug 9, 2026

Mark Douglas, LLMSW

Clinical Social Worker · Grand Rapids, MI

Mark Douglas, LLMSW is a clinical social worker with a practice address in Grand Rapids, Michigan, and NPI 1477274587, issued on Sep 7, 2022. Check the license with the Michigan board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1477274587
Name
Mark Douglas
Credential
LLMSW
Primary taxonomy
Clinical Social Worker 1041C0700X
Practice location
300 68TH St SE, Grand Rapids, MI 49548
Phone
(269) 903-7691
Enumerated
Sep 7, 2022
Record last updated
May 17, 2023
Medicare enrollment
Enrolled (PECOS I20250811001012); may accept Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 300 68TH St SE

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Salman Abdul MajeedPsychiatry Physician1144896218
  2. Kimberly AbedClinical Social Worker1568864775
  3. Eric Achtyes, MDPsychiatry Physician1780665976
  4. Matthew AdamsBehavior Analyst1770290561
  5. Andrae Agnew, LMSWClinical Social Worker1306481023
  6. Kyle AhonenChild & Adolescent Psychiatry Physician1326579426

Verify Mark Douglas in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Michigan board licenses this professionCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Michigan license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Mark Douglas among 17,644 clinical social worker records in Michigan

Mark Douglas, LLMSW 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 2022, is newer than 78% of them.

  • NPI issued2022 · 78% of these records are older, 17% newer
  • In a Medicare fileNo · 14% of these records are
  • In the CMS Doctors and Clinicians fileYes · 20% of these records are
  • Graduated2023 · median 2012 among the 3,587 with a school on file
  • Record last updated2023 · 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.

The 8 clinical social worker records with the nearest ZIP codes

  1. Amanda Batenburg-Drake, LLMSWGrand Rapids, MI 495481558436287
  2. Lisa Borden, BSGrand Rapids, MI 495481356495196
  3. Mariah Deyoung, LMSWGrand Rapids, MI 495481447342019
  4. Christa Galer, LMSW, CAADC, CCSGrand Rapids, MI 495481548355985
  5. Barbara Gritter, LMSW, ACSWGrand Rapids, MI 495481508881806
  6. Jean Holthaus, LISW, LMSWGrand Rapids, MI 495481992733182
  7. Matthew Jachalke, LMSWGrand Rapids, MI 495481306833439
  8. Kimberly Jackson, LMSWGrand Rapids, MI 495481750492336

Common questions

What is Mark Douglas, LLMSW's NPI number?

Mark Douglas, LLMSW's National Provider Identifier (NPI) is 1477274587, issued on Sep 7, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Mark Douglas, LLMSW located?

The NPPES record lists a practice address at 300 68TH St SE, Grand Rapids, MI, 49548. Phone: (269) 903-7691. Providers update this record themselves, so call before visiting.

How can I verify Mark Douglas, LLMSW's license?

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.