William Closson, PH.D.
NPI 1588001317 · Clinical Laboratory Director (Non-physician) · Patchogue, NY
William Closson, PH.D. is a Clinical Laboratory Director (Non-physician) provider in Patchogue, NY (NPI 1588001317).
Provider details
- NPI number
- 1588001317
- Entity type
- Individual
- Primary specialty
- Clinical Laboratory Director (Non-physician)Technologists, Technicians & Other Technical Service Providers
- Credential
- PH.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- CLOSW1 (NY)
Specialties & taxonomies
Technologists, Technicians & Other Technical Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
13 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
- 2013-06-03
- Last updated
- 2013-06-03
Frequently asked questions
- What is William Closson's NPI number?
- William Closson's National Provider Identifier (NPI) is 1588001317, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Closson's specialty?
- William Closson is listed in the NPPES registry with a primary specialty of Clinical Laboratory Director (Non-physician) (Technologists, Technicians & Other Technical Service Providers).
- Where is William Closson located?
- William Closson's practice location on file with NPPES is 179 Jayne Ave, Patchogue, NY 11772-2836.
- What is William Closson's phone number?
- The practice phone number listed in the NPPES registry for William Closson is (516) 527-2153.
- Is William Closson's NPI active?
- Yes — William Closson's NPI (1588001317) is active in the NPPES registry as of the last update on 2013-06-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.