Mark Cherniack, MSW
NPI 1982093472 · Mental Health Counselor · Port Townsend, WA
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Cherniack, MSW is a Mental Health Counselor provider in Port Townsend, WA (NPI 1982093472).
Provider details
- NPI number
- 1982093472
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Credential
- MSW
- Sex
- Male
- Sole proprietor
- No
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
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
- 2015-01-21
- Last updated
- 2015-01-21
Frequently asked questions
- What is Mark Cherniack's NPI number?
- Mark Cherniack's National Provider Identifier (NPI) is 1982093472, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Cherniack's specialty?
- Mark Cherniack is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Mark Cherniack located?
- Mark Cherniack's practice location on file with NPPES is 834 Sheridan St, Port Townsend, WA 98368-2443.
- What is Mark Cherniack's phone number?
- The practice phone number listed in the NPPES registry for Mark Cherniack is (360) 385-2200.
- Does Mark Cherniack accept Medicare?
- Mark Cherniack is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Cherniack's NPI active?
- Yes — Mark Cherniack's NPI (1982093472) is active in the NPPES registry as of the last update on 2015-01-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.