Gregory Boris, DO
NPI 1558386292 · Emergency Medicine Physician · Derby, CT
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Boris, DO is a Emergency Medicine Physician provider in Derby, CT (NPI 1558386292).
Provider details
- NPI number
- 1558386292
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 040900 (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
- 2006-07-13
- Last updated
- 2007-07-08
Frequently asked questions
- What is Gregory Boris's NPI number?
- Gregory Boris's National Provider Identifier (NPI) is 1558386292, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Boris's specialty?
- Gregory Boris is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Boris located?
- Gregory Boris's practice location on file with NPPES is 130 Division St, Derby, CT 06418-1326.
- What is Gregory Boris's phone number?
- The practice phone number listed in the NPPES registry for Gregory Boris is (203) 732-7403.
- Does Gregory Boris accept Medicare?
- Gregory Boris is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Boris's NPI active?
- Yes — Gregory Boris's NPI (1558386292) 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.