Eugene Sullivan, MD
NPI 1255370326 · Surgery Physician · Hartford, CT
Eugene Sullivan, MD is a Surgery Physician provider in Hartford, CT (NPI 1255370326).
Provider details
- NPI number
- 1255370326
- Entity type
- Individual
- Primary specialty
- Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 021621 (CT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Other Service Providers
Profile Score
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
Mailing address
Registry dates
- Enumerated
- 2006-06-05
- Last updated
- 2010-07-07
Frequently asked questions
- What is Eugene Sullivan's NPI number?
- Eugene Sullivan's National Provider Identifier (NPI) is 1255370326, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Eugene Sullivan's specialty?
- Eugene Sullivan is listed in the NPPES registry with a primary specialty of Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Eugene Sullivan located?
- Eugene Sullivan's practice location on file with NPPES is 1000 Asylum Ave, Hartford, CT 06105.
- What is Eugene Sullivan's phone number?
- The practice phone number listed in the NPPES registry for Eugene Sullivan is (860) 246-4000.
- Is Eugene Sullivan's NPI active?
- Yes — Eugene Sullivan's NPI (1255370326) is active in the NPPES registry as of the last update on 2010-07-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.