John Zarski
NPI 1508494980 · Addiction (Substance Use Disorder) Counselor · Coventry Township, OH
John Zarski is a Addiction (Substance Use Disorder) Counselor provider in Coventry Township, OH (NPI 1508494980).
Provider details
- NPI number
- 1508494980
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
- License
- CDCA.170684 (OH)
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
6 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
- 2020-03-31
- Last updated
- 2020-03-31
- Certified
- 2020-03-31
Frequently asked questions
- What is John Zarski's NPI number?
- John Zarski's National Provider Identifier (NPI) is 1508494980, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Zarski's specialty?
- John Zarski is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is John Zarski located?
- John Zarski's practice location on file with NPPES is 3445 S Main St, Coventry Township, OH 44319-3028.
- What is John Zarski's phone number?
- The practice phone number listed in the NPPES registry for John Zarski is (330) 644-4095.
- Is John Zarski's NPI active?
- Yes — John Zarski's NPI (1508494980) is active in the NPPES registry as of the last update on 2020-03-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.