IndividualActive
William Allen, M.D.
NPI 1659369361 · Specialist · New Haven, CT
William Allen, M.D. is a Specialist provider in New Haven, CT (NPI 1659369361).
Provider details
- NPI number
- 1659369361
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 014249 (CT)
Specialties & taxonomies
Other Service Providers
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
60 Temple St
New Haven, CT 06510-2716
Phone: (203) 688-2111
Street-level locationGet directions
Mailing address
40 Temple St
New Haven, CT 06510-2715
Registry dates
- Enumerated
- 2005-10-07
- Last updated
- 2012-03-07
Frequently asked questions
- What is William Allen's NPI number?
- William Allen's National Provider Identifier (NPI) is 1659369361, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Allen's specialty?
- William Allen is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is William Allen located?
- William Allen's practice location on file with NPPES is 60 Temple St, New Haven, CT 06510-2716.
- What is William Allen's phone number?
- The practice phone number listed in the NPPES registry for William Allen is (203) 688-2111.
- Is William Allen's NPI active?
- Yes — William Allen's NPI (1659369361) is active in the NPPES registry as of the last update on 2012-03-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.