John Hennessy, CASAC
NPI 1184001240 · Addiction (Substance Use Disorder) Counselor · Clifton Park, NY
John Hennessy, CASAC is a Addiction (Substance Use Disorder) Counselor provider in Clifton Park, NY (NPI 1184001240).
Provider details
- NPI number
- 1184001240
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Credential
- CASAC
- Sex
- Male
- Sole proprietor
- Yes
- License
- 96125 (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
11 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
- 2015-04-28
- Last updated
- 2015-04-28
Frequently asked questions
- What is John Hennessy's NPI number?
- John Hennessy's National Provider Identifier (NPI) is 1184001240, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Hennessy's specialty?
- John Hennessy is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is John Hennessy located?
- John Hennessy's practice location on file with NPPES is 84 Tallow Wood Dr, Clifton Park, NY 12065-2827.
- What is John Hennessy's phone number?
- The practice phone number listed in the NPPES registry for John Hennessy is (518) 817-7216.
- Is John Hennessy's NPI active?
- Yes — John Hennessy's NPI (1184001240) is active in the NPPES registry as of the last update on 2015-04-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.