John Barrett, D.O.
NPI 1245264688 · Internal Medicine Physician · Narragansett, RI
John Barrett, D.O. is a Internal Medicine Physician provider in Narragansett, RI (NPI 1245264688).
Provider details
- NPI number
- 1245264688
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- Yes
- License
- DO328 (RI)
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
- 2006-07-10
- Last updated
- 2010-07-21
Frequently asked questions
- What is John Barrett's NPI number?
- John Barrett's National Provider Identifier (NPI) is 1245264688, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Barrett's specialty?
- John Barrett is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Barrett located?
- John Barrett's practice location on file with NPPES is 360 Kingstown Rd, Narragansett, RI 02882-3239.
- What is John Barrett's phone number?
- The practice phone number listed in the NPPES registry for John Barrett is (401) 783-3334.
- Is John Barrett's NPI active?
- Yes — John Barrett's NPI (1245264688) is active in the NPPES registry as of the last update on 2010-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.