Mark Best, MSW
NPI 1710434311 · Clinical Social Worker · Vancouver, WA
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Best, MSW is a Clinical Social Worker provider in Vancouver, WA (NPI 1710434311).
Provider details
- NPI number
- 1710434311
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- MSW
- Sex
- Male
- Sole proprietor
- Yes
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
9 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2016-09-01
- Last updated
- 2016-09-01
Frequently asked questions
- What is Mark Best's NPI number?
- Mark Best's National Provider Identifier (NPI) is 1710434311, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Best's specialty?
- Mark Best is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Mark Best located?
- Mark Best's practice location on file with NPPES is 13500 Se 7th St, Vancouver, WA 98683-6909.
- What is Mark Best's phone number?
- The practice phone number listed in the NPPES registry for Mark Best is (360) 699-2244.
- Does Mark Best accept Medicare?
- Mark Best is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Best's NPI active?
- Yes — Mark Best's NPI (1710434311) is active in the NPPES registry as of the last update on 2016-09-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.