Mark Karzon, LLMSW LCSW
NPI 1124043393 · Clinical Social Worker · Fort Thompson, SD
Mark Karzon, LLMSW LCSW is a Clinical Social Worker provider in Fort Thompson, SD (NPI 1124043393).
Provider details
- NPI number
- 1124043393
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LLMSW LCSW
- Sex
- Male
- Sole proprietor
- No
- License
- 6801087440 (MI)
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
- 2006-07-12
- Last updated
- 2007-12-28
Frequently asked questions
- What is Mark Karzon's NPI number?
- Mark Karzon's National Provider Identifier (NPI) is 1124043393, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Karzon's specialty?
- Mark Karzon is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Mark Karzon located?
- Mark Karzon's practice location on file with NPPES is Highway 34 & 47, Fort Thompson, SD 57339-0200.
- What is Mark Karzon's phone number?
- The practice phone number listed in the NPPES registry for Mark Karzon is (605) 245-1530.
- Is Mark Karzon's NPI active?
- Yes — Mark Karzon's NPI (1124043393) is active in the NPPES registry as of the last update on 2007-12-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.