Donald Zezulinski, CASAC-T
NPI 1235631235 · Addiction (Substance Use Disorder) Counselor · Island Park, NY
Donald Zezulinski, CASAC-T is a Addiction (Substance Use Disorder) Counselor provider in Island Park, NY (NPI 1235631235).
Provider details
- NPI number
- 1235631235
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Credential
- CASAC-T
- Sex
- Male
- Sole proprietor
- No
- License
- 34286 (NY)
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
8 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
- 2018-03-06
- Last updated
- 2018-03-06
Frequently asked questions
- What is Donald Zezulinski's NPI number?
- Donald Zezulinski's National Provider Identifier (NPI) is 1235631235, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Donald Zezulinski's specialty?
- Donald Zezulinski is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Donald Zezulinski located?
- Donald Zezulinski's practice location on file with NPPES is 55 Newport Rd Apt 1, Island Park, NY 11558-1073.
- What is Donald Zezulinski's phone number?
- The practice phone number listed in the NPPES registry for Donald Zezulinski is (516) 432-9287.
- Is Donald Zezulinski's NPI active?
- Yes — Donald Zezulinski's NPI (1235631235) is active in the NPPES registry as of the last update on 2018-03-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.