J. Allen Britvan, M.D
NPI 1376566042 · Emergency Medicine Physician · Greenwich, CT
J. Allen Britvan, M.D is a Emergency Medicine Physician provider in Greenwich, CT (NPI 1376566042).
Provider details
- NPI number
- 1376566042
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D
- Sex
- Male
- Sole proprietor
- No
- License
- 026785 (CT)
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
- 2006-07-25
- Last updated
- 2008-11-24
Frequently asked questions
- What is J. Allen Britvan's NPI number?
- J. Allen Britvan's National Provider Identifier (NPI) is 1376566042, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is J. Allen Britvan's specialty?
- J. Allen Britvan is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is J. Allen Britvan located?
- J. Allen Britvan's practice location on file with NPPES is 5 Perryridge Rd, Greenwich, CT 06830-4608.
- What is J. Allen Britvan's phone number?
- The practice phone number listed in the NPPES registry for J. Allen Britvan is (203) 863-3637.
- Is J. Allen Britvan's NPI active?
- Yes — J. Allen Britvan's NPI (1376566042) is active in the NPPES registry as of the last update on 2008-11-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.