Matthew Marx, LMSW
NPI 1689826836 · Clinical Social Worker · Swartz Creek, MI
Matthew Marx, LMSW is a Clinical Social Worker provider in Swartz Creek, MI (NPI 1689826836).
Provider details
- NPI number
- 1689826836
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LMSW
- Sex
- Male
- Sole proprietor
- No
- License
- 6801063768 (MI)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-10-21
- Last updated
- 2008-10-27
Frequently asked questions
- What is Matthew Marx's NPI number?
- Matthew Marx's National Provider Identifier (NPI) is 1689826836, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Matthew Marx's specialty?
- Matthew Marx is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Matthew Marx located?
- Matthew Marx's practice location on file with NPPES is 5520 Cottonwood Dr, Swartz Creek, MI 48473-9425.
- What is Matthew Marx's phone number?
- The practice phone number listed in the NPPES registry for Matthew Marx is (810) 624-9343.
- Is Matthew Marx's NPI active?
- Yes — Matthew Marx's NPI (1689826836) is active in the NPPES registry as of the last update on 2008-10-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.