Mark Stephens, CSAC
NPI 1134319452 · Addiction (Substance Use Disorder) Counselor · Marinette, WI
Mark Stephens, CSAC is a Addiction (Substance Use Disorder) Counselor provider in Marinette, WI (NPI 1134319452).
Provider details
- NPI number
- 1134319452
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Credential
- CSAC
- Sex
- Male
- Sole proprietor
- No
- License
- 15369-131 (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
18 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 421 Nebraska StSturgeon Bay, WI 54235-2225Phone: (920) 746-2345
Registry dates
- Enumerated
- 2007-08-01
- Last updated
- 2021-02-16
- Certified
- 2021-02-16
Frequently asked questions
- What is Mark Stephens's NPI number?
- Mark Stephens's National Provider Identifier (NPI) is 1134319452, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Stephens's specialty?
- Mark Stephens is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Mark Stephens located?
- Mark Stephens's practice location on file with NPPES is 1409 Cleveland Ave, Marinette, WI 54143-3918.
- What is Mark Stephens's phone number?
- The practice phone number listed in the NPPES registry for Mark Stephens is (920) 496-4700.
- Is Mark Stephens's NPI active?
- Yes — Mark Stephens's NPI (1134319452) is active in the NPPES registry as of the last update on 2021-02-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.