Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. John Willard Barrett, DO

Individual provider Internal Medicine Physician · NPI 1245264688

Dr. John Willard Barrett, DO is an Internal Medicine Physician in Narragansett, Rhode Island. Practices as a sole proprietor. Licensed in Rhode Island.

Licensed in
RI
In the registry since
2006
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

360 Kingstown Rd Ste 101
Narragansett, RI 02882-3239
Phone: (401) 783-3334
Fax: (401) 783-9270
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence DO328 (RI)

Record details

NPI number1245264688
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorYes
NPI enumeratedJuly 10, 2006
Last updated in NPPESJuly 21, 2010
Mailing address360 Kingstown Rd, Suite 101, Narragansett, RI 02882-3239

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