Matthew William Marx, LMSW
Clinical Social Worker · Swartz Creek, MI
Matthew William Marx, LMSW is a clinical social worker with a practice address in Swartz Creek, Michigan, and NPI 1689826836, issued on Oct 21, 2008. Check the license (Michigan 6801063768, 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
- Matthew William Marx
- Credential
- LMSW
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- 6801063768 MI
Self-reported in NPPES; status is on the state search - Practice location
- 5520 Cottonwood Dr, Swartz Creek, MI 48473
- Phone
- (810) 624-9343
- Enumerated
- Oct 21, 2008
- Record last updated
- Oct 27, 2008 (not updated in 18 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest clinical social worker records → All 17,644 in Michigan → Look up another NPI →
Verify Matthew William Marx in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Michigan board licenses this profession
Search for license 6801063768Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Matthew William Marx among 17,644 clinical social worker records in Michigan
Matthew William Marx, 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 2008, is newer than 18% of them.
- NPI issued2008 · 18% of these records are older, 79% newer
- In a Medicare fileNo · 14% of these records are
- In the CMS Doctors and Clinicians fileNo · 20% of these records are
- Record last updated2008 · 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).
8 clinical social worker records list a practice address in Swartz Creek
They are 8 of the 156 NPPES records with a practice address in Swartz Creek, 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 Swartz Creek → Clinical Social Worker nationwide →
The 8 clinical social worker records with the nearest ZIP codes
- Rebecca Cervantes, LMSWSwartz Creek, MI 484731427559012
- Lynnette Labrecque, LMSWSwartz Creek, MI 484731821269721
- Penny Lantz, LMSWSwartz Creek, MI 484731184167322
- Erika NelsonSwartz Creek, MI 484731639992944
- Hanna NewtonSwartz Creek, MI 484731467088187
- Eli SimmonsSwartz Creek, MI 484731831764042
- Kimberly SprouleSwartz Creek, MI 484731952759540
- Harmony BellSandusky, MI 484711942792122
Common questions
What is Matthew William Marx, LMSW's NPI number?
Matthew William Marx, LMSW's National Provider Identifier (NPI) is 1689826836, issued on Oct 21, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Matthew William Marx, LMSW located?
The NPPES record lists a practice address at 5520 Cottonwood Dr, Swartz Creek, MI, 48473. Phone: (810) 624-9343. Providers update this record themselves, so call before visiting.
How can I verify Matthew William Marx, LMSW's license?
NPPES lists Michigan license number 6801063768, 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.