Matthew Koszyk, LCSW
NPI 1083484059 · Clinical Social Worker · Saint Peters, MO
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Matthew Koszyk, LCSW is a Clinical Social Worker provider in Saint Peters, MO (NPI 1083484059).
Provider details
- NPI number
- 1083484059
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Male
- Sole proprietor
- No
- License
- 2025007535 (MO)
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
2 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
- 2024-01-02
- Last updated
- 2025-03-21
- Certified
- 2025-03-21
Frequently asked questions
- What is Matthew Koszyk's NPI number?
- Matthew Koszyk's National Provider Identifier (NPI) is 1083484059, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Matthew Koszyk's specialty?
- Matthew Koszyk is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Matthew Koszyk located?
- Matthew Koszyk's practice location on file with NPPES is 8075 Mexico Rd, Saint Peters, MO 63376-1118.
- What is Matthew Koszyk's phone number?
- The practice phone number listed in the NPPES registry for Matthew Koszyk is (844) 853-8937.
- Does Matthew Koszyk accept Medicare?
- Matthew Koszyk is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Matthew Koszyk's NPI active?
- Yes — Matthew Koszyk's NPI (1083484059) is active in the NPPES registry as of the last update on 2025-03-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.