Mark Chapman, LICSW
NPI 1679559819 · Clinical Social Worker · Marshall, MN
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Chapman, LICSW is a Clinical Social Worker provider in Marshall, MN (NPI 1679559819).
Provider details
- NPI number
- 1679559819
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LICSW
- Sex
- Male
- Sole proprietor
- No
- License
- 4857 (TX)
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
20 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
- 2005-12-20
- Last updated
- 2018-04-03
Frequently asked questions
- What is Mark Chapman's NPI number?
- Mark Chapman's National Provider Identifier (NPI) is 1679559819, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Chapman's specialty?
- Mark Chapman is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Mark Chapman located?
- Mark Chapman's practice location on file with NPPES is 1212 E College Dr, Marshall, MN 56258-2010.
- What is Mark Chapman's phone number?
- The practice phone number listed in the NPPES registry for Mark Chapman is (507) 532-3236.
- Does Mark Chapman accept Medicare?
- Mark Chapman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Chapman's NPI active?
- Yes — Mark Chapman's NPI (1679559819) is active in the NPPES registry as of the last update on 2018-04-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.