Mark Van Steenberg, LCSW
NPI 1093101602 · Clinical Social Worker · Louisville, CO
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Van Steenberg, LCSW is a Clinical Social Worker provider in Louisville, CO (NPI 1093101602).
Provider details
- NPI number
- 1093101602
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Male
- Sole proprietor
- No
- License
- CSW.09927520 (CO)
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
11 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 1333 Iris AveBoulder, CO 80304-2226Phone: (303) 443-8500
Registry dates
- Enumerated
- 2015-04-09
- Last updated
- 2022-08-12
- Certified
- 2022-08-12
Frequently asked questions
- What is Mark Van Steenberg's NPI number?
- Mark Van Steenberg's National Provider Identifier (NPI) is 1093101602, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Van Steenberg's specialty?
- Mark Van Steenberg is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Mark Van Steenberg located?
- Mark Van Steenberg's practice location on file with NPPES is 1826 Steel Street, Louisville, CO 80027-8532.
- What is Mark Van Steenberg's phone number?
- The practice phone number listed in the NPPES registry for Mark Van Steenberg is (720) 460-7660.
- Does Mark Van Steenberg accept Medicare?
- Mark Van Steenberg is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Van Steenberg's NPI active?
- Yes — Mark Van Steenberg's NPI (1093101602) is active in the NPPES registry as of the last update on 2022-08-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.