William J Hennessey MD PC
NPI 1033225560 · Gynecology Physician · Green Island, NY
William J Hennessey MD PC is a Gynecology Physician organization in Green Island, NY (NPI 1033225560).
Provider details
- NPI number
- 1033225560
- Entity type
- Organization
- Primary specialty
- Gynecology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- William Hennessey, Owner(518) 272-9140
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
- 2006-08-21
- Last updated
- 2008-03-04
Frequently asked questions
- What is William J Hennessey MD PC's NPI number?
- William J Hennessey MD PC's National Provider Identifier (NPI) is 1033225560, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is William J Hennessey MD PC?
- William J Hennessey MD PC is classified in the NPPES registry as Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is William J Hennessey MD PC located?
- William J Hennessey MD PC's practice location on file with NPPES is 31 Lower Hudson Ave, Green Island, NY 12183-1014.
- What is William J Hennessey MD PC's phone number?
- The practice phone number listed in the NPPES registry for William J Hennessey MD PC is (518) 272-9140.
- Who is the authorized official for William J Hennessey MD PC?
- The authorized official listed on William J Hennessey MD PC's NPPES record is William Hennessey, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is William J Hennessey MD PC's NPI active?
- Yes — William J Hennessey MD PC's NPI (1033225560) is active in the NPPES registry as of the last update on 2008-03-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.