Mark Sinski
NPI 1659815223 · Addiction (Substance Use Disorder) Counselor · Waukesha, WI
Mark Sinski is a Addiction (Substance Use Disorder) Counselor provider in Waukesha, WI (NPI 1659815223).
Provider details
- NPI number
- 1659815223
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
- License
- 17735-130 (WI)
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
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
- 2016-12-15
- Last updated
- 2016-12-15
Frequently asked questions
- What is Mark Sinski's NPI number?
- Mark Sinski's National Provider Identifier (NPI) is 1659815223, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Sinski's specialty?
- Mark Sinski is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Mark Sinski located?
- Mark Sinski's practice location on file with NPPES is 2422 N Grandview Blvd, Waukesha, WI 53188-6105.
- What is Mark Sinski's phone number?
- The practice phone number listed in the NPPES registry for Mark Sinski is (262) 549-6600.
- Is Mark Sinski's NPI active?
- Yes — Mark Sinski's NPI (1659815223) is active in the NPPES registry as of the last update on 2016-12-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.