William Rennie, MD
NPI 1023049913 · Emergency Medicine Physician · Greenport, NY
William Rennie, MD is a Emergency Medicine Physician provider in Greenport, NY (NPI 1023049913).
Provider details
- NPI number
- 1023049913
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 174570 (NY)
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
- 2006-07-06
- Last updated
- 2007-07-08
Frequently asked questions
- What is William Rennie's NPI number?
- William Rennie's National Provider Identifier (NPI) is 1023049913, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Rennie's specialty?
- William Rennie is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Rennie located?
- William Rennie's practice location on file with NPPES is 201 Manor Pl, Greenport, NY 11944-1222.
- What is William Rennie's phone number?
- The practice phone number listed in the NPPES registry for William Rennie is (631) 477-5466.
- Is William Rennie's NPI active?
- Yes — William Rennie's NPI (1023049913) 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.