Marc Walker, LCSW
NPI 1720207475 · Clinical Social Worker · Westminster, CO
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marc Walker, LCSW is a Clinical Social Worker provider in Westminster, CO (NPI 1720207475).
Provider details
- NPI number
- 1720207475
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Male
- Sole proprietor
- No
- License
- CSW-992571 (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
19 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
- 2007-04-24
- Last updated
- 2012-06-26
Frequently asked questions
- What is Marc Walker's NPI number?
- Marc Walker's National Provider Identifier (NPI) is 1720207475, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marc Walker's specialty?
- Marc Walker is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Marc Walker located?
- Marc Walker's practice location on file with NPPES is 7701 Sheridan Blvd, Westminster, CO 80003-2605.
- What is Marc Walker's phone number?
- The practice phone number listed in the NPPES registry for Marc Walker is (303) 338-4545.
- Does Marc Walker accept Medicare?
- Marc Walker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marc Walker's NPI active?
- Yes — Marc Walker's NPI (1720207475) is active in the NPPES registry as of the last update on 2012-06-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.