Mark Nowaczewski
NPI 1417313115 · Addiction (Substance Use Disorder) Counselor · Vassar, MI
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Nowaczewski is a Addiction (Substance Use Disorder) Counselor provider in Vassar, MI (NPI 1417313115).
Provider details
- NPI number
- 1417313115
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- Yes
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
10 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
- 2016-01-11
- Last updated
- 2016-01-11
Frequently asked questions
- What is Mark Nowaczewski's NPI number?
- Mark Nowaczewski's National Provider Identifier (NPI) is 1417313115, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Nowaczewski's specialty?
- Mark Nowaczewski is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Mark Nowaczewski located?
- Mark Nowaczewski's practice location on file with NPPES is 150 Enterprise Dr, Vassar, MI 48768-9584.
- What is Mark Nowaczewski's phone number?
- The practice phone number listed in the NPPES registry for Mark Nowaczewski is (989) 823-0183.
- Does Mark Nowaczewski accept Medicare?
- Mark Nowaczewski is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Nowaczewski's NPI active?
- Yes — Mark Nowaczewski's NPI (1417313115) is active in the NPPES registry as of the last update on 2016-01-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.