Ronald Josephson, MD
NPI 1639156250 · Gastroenterology Physician · Avon, CT
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ronald Josephson, MD is a Gastroenterology Physician provider in Avon, CT (NPI 1639156250).
Provider details
- NPI number
- 1639156250
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 017084 (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
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
- 2005-12-23
- Last updated
- 2009-11-03
Frequently asked questions
- What is Ronald Josephson's NPI number?
- Ronald Josephson's National Provider Identifier (NPI) is 1639156250, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ronald Josephson's specialty?
- Ronald Josephson is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Ronald Josephson located?
- Ronald Josephson's practice location on file with NPPES is 44 Dale Rd, Avon, CT 06001-3612.
- What is Ronald Josephson's phone number?
- The practice phone number listed in the NPPES registry for Ronald Josephson is (860) 674-8830.
- Does Ronald Josephson accept Medicare?
- Ronald Josephson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ronald Josephson's NPI active?
- Yes — Ronald Josephson's NPI (1639156250) is active in the NPPES registry as of the last update on 2009-11-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.