Mark Jewett, MSW, CADC-II, CDP
NPI 1588263032 · Addiction (Substance Use Disorder) Counselor · Sammamish, WA
Mark Jewett, MSW, CADC-II, CDP is a Addiction (Substance Use Disorder) Counselor provider in Sammamish, WA (NPI 1588263032).
Provider details
- NPI number
- 1588263032
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Credential
- MSW, CADC-II, CDP
- Sex
- Male
- Sole proprietor
- Yes
- License
- A8499705 (CA)
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
5 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
- 2020-10-25
- Last updated
- 2020-10-25
- Certified
- 2020-10-25
Frequently asked questions
- What is Mark Jewett's NPI number?
- Mark Jewett's National Provider Identifier (NPI) is 1588263032, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Jewett's specialty?
- Mark Jewett is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Mark Jewett located?
- Mark Jewett's practice location on file with NPPES is 528 208th Ave Ne, Sammamish, WA 98074-6936.
- What is Mark Jewett's phone number?
- The practice phone number listed in the NPPES registry for Mark Jewett is (425) 761-7321.
- Is Mark Jewett's NPI active?
- Yes — Mark Jewett's NPI (1588263032) is active in the NPPES registry as of the last update on 2020-10-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.