John Leach, PA
NPI 1972692036 · Physician Assistant · West Haven, CT
John Leach, PA is a Physician Assistant provider in West Haven, CT (NPI 1972692036).
Provider details
- NPI number
- 1972692036
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA
- Sex
- Male
- Sole proprietor
- No
- License
- 000327 (CT)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
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
- 2006-10-12
- Last updated
- 2007-07-08
Frequently asked questions
- What is John Leach's NPI number?
- John Leach's National Provider Identifier (NPI) is 1972692036, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Leach's specialty?
- John Leach is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is John Leach located?
- John Leach's practice location on file with NPPES is West Haven Veteran'S Hospital, West Haven, CT 06516-2700.
- What is John Leach's phone number?
- The practice phone number listed in the NPPES registry for John Leach is (203) 932-5711.
- Is John Leach's NPI active?
- Yes — John Leach's NPI (1972692036) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.