Mark Cherniack, MSW
Mental Health Counselor · Port Townsend, WA
Mark Cherniack, MSW is a mental health counselor with a practice address in Port Townsend, Washington, and NPI 1982093472, issued on Jan 21, 2015. Check the license with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mark Cherniack
- Credential
- MSW
- Primary taxonomy
- Mental Health Counselor 101YM0800X
- Practice location
- 834 Sheridan St, Port Townsend, WA 98368
- Phone
- (360) 385-2200
- Enumerated
- Jan 21, 2015
- Record last updated
- Jan 21, 2015 (not updated in 11 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20150402000177); accepts Medicare assignment
- Medical or professional school
- University Of Washington School Of Medicine, 2004
- Entity
- Type 1 · individual
Also registered at 834 Sheridan St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mark Cherniack in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Jefferson County Public Hospital District NO 2Port Townsend, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
72 mental health counselor records list a practice address in Port Townsend
They are 72 of the 601 NPPES records with a practice address in Port Townsend, and 18,094 mental health counselor records in Washington.
All 72 in Port Townsend → All 18,094 in Washington → Every provider in Port Townsend →
Other mental health counselor records in Washington
- Jessica Aarsvold, MA, LMHCASeattle, WA1215536719
- Gracie AbanganOmak, WA1740333863
- Anthony Abastilla, LMHCASilverdale, WA1477150829
- Pinael Abate, LMHCARenton, WA1265103568
- Hiba AbbadEverett, WA1265272231
- Kelly Abbananto, BALakewood, WA1043676562
- Hannah AbbottKirkland, WA1568334498
- Harold Abbott, M.A.Seattle, WA1548463136
- Heather Abbott, LMHCASeattle, WA1861806077
- Kristyn Abbott, LMHCOlympia, WA1215328471
Common questions
What is Mark Cherniack, MSW's NPI number?
Mark Cherniack, MSW's National Provider Identifier (NPI) is 1982093472, issued on Jan 21, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Mark Cherniack, MSW located?
The NPPES record lists a practice address at 834 Sheridan St, Port Townsend, WA, 98368. Phone: (360) 385-2200. Providers update this record themselves, so call before visiting.
How can I verify Mark Cherniack, MSW's license?
Search the Washington board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.