NPPES file of Aug 9, 2026

Matthew Tai Diep, LMSW

Clinical Social Worker · Muskegon, MI

Matthew Tai Diep, LMSW is a clinical social worker with a practice address in Muskegon, Michigan, and NPI 1841724192, issued on Apr 13, 2017. Check the license (Michigan 6801096794, as entered in NPPES) with the Michigan board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1841724192
Name
Matthew Tai Diep
Credential
LMSW
Primary taxonomy
Clinical Social Worker 1041C0700X
License number
6801096794 MI
Self-reported in NPPES; status is on the state search
Practice location
2009 Holton RD, Muskegon, MI 49445
Phone
(231) 291-8399
Enumerated
Apr 13, 2017
Record last updated
Nov 2, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20200827002840); accepts 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 2009 Holton RD

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

  1. Kilee Aamodt, PA-CPhysician Assistant1578964300
  2. Earl Beam, PAPhysician Assistant1174589261
  3. Paul Bradley, DNP, FNP-CFamily Nurse Practitioner1164153672
  4. Melissa Brown, D.O.Family Medicine Physician1063605822
  5. Anita Buckner, FNPFamily Nurse Practitioner1073175303
  6. Anne Clancy, DPTPhysical Therapist1770719734

Verify Matthew Tai Diep in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Michigan board licenses this profession
    Search for license 6801096794
    Check 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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The MIPS final score for 2023 (Medicare payment program): 100 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score87.5
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Spectrum Health Primary Care PartnersMuskegon, MI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Matthew Tai Diep among 17,644 clinical social worker records in Michigan

Matthew Tai Diep, 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. Its NPI, issued in 2017, is newer than 52% of them.

  • NPI issued2017 · 52% of these records are older, 43% newer
  • In a Medicare fileYes · 14% of these records are
  • In the CMS Doctors and Clinicians fileYes · 20% of these records are
  • Graduated2014 · median 2012 among the 3,587 with a school on file
  • Record last updated2021 · 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).

217 clinical social worker records list a practice address in Muskegon

They are 217 of the 2,646 NPPES records with a practice address in Muskegon, and 17,644 clinical social worker records in Michigan.

The 8 clinical social worker records with the nearest ZIP codes

  1. Susan Blackburn, LMSWNorth Muskegon, MI 494451649512484
  2. Desiree Davis, LMSWN Muskegon, MI 494451134764228
  3. Abigail Gawron, LMSWMuskegon, MI 494451962181131
  4. Susan Gerstweiler, LMSWNorth Muskegon, MI 494451710738281
  5. Molly Kriesel, LMSWN Muskegon, MI 494451073757555
  6. Alison Rudick, LMSWMuskegon, MI 494451194323436
  7. Bethanie Swier, NBC-HWCNorth Muskegon, MI 494451407542038
  8. Sheri Thiele, LMSWMuskegon, MI 494451629594916

Common questions

What is Matthew Tai Diep, LMSW's NPI number?

Matthew Tai Diep, LMSW's National Provider Identifier (NPI) is 1841724192, issued on Apr 13, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Matthew Tai Diep, LMSW located?

The NPPES record lists a practice address at 2009 Holton RD, Muskegon, MI, 49445. Phone: (231) 291-8399. Providers update this record themselves, so call before visiting.

How can I verify Matthew Tai Diep, LMSW's license?

NPPES lists Michigan license number 6801096794, as entered by the provider. Search the Michigan board that licenses this profession; the NPPES record confirms identity only.

What is Matthew Tai Diep, LMSW's MIPS final score?

The 2023 MIPS final score is 100 of 100. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. 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.