J Leonard, CASAC
NPI 1871750265 · Addiction (Substance Use Disorder) Counselor · Hauppauge, NY
J Leonard, CASAC is a Addiction (Substance Use Disorder) Counselor provider in Hauppauge, NY (NPI 1871750265).
Provider details
- NPI number
- 1871750265
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Credential
- CASAC
- Sex
- Male
- Sole proprietor
- No
- License
- 7169 (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
18 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
- 2008-05-22
- Last updated
- 2008-05-22
Frequently asked questions
- What is J Leonard's NPI number?
- J Leonard's National Provider Identifier (NPI) is 1871750265, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is J Leonard's specialty?
- J Leonard is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is J Leonard located?
- J Leonard's practice location on file with NPPES is Bldg #16 N County Complex, Hauppauge, NY 11788.
- What is J Leonard's phone number?
- The practice phone number listed in the NPPES registry for J Leonard is (631) 853-6281.
- Is J Leonard's NPI active?
- Yes — J Leonard's NPI (1871750265) is active in the NPPES registry as of the last update on 2008-05-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.