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

John James Sullivan, DO

Individual provider Internal Medicine Physician · NPI 1700299625

John James Sullivan, DO is an Internal Medicine in Warwick, Rhode Island. Graduated from Lake Erie College of Osteopathic Medicine, Erie in 2014, 12 years ago. Practices with Affinity Physicians LLC, a 734-clinician group and accepts Medicare assignment. Licensed in Rhode Island.

Years since qualifying
12
Trained at
Lake Erie College of Osteopathic Medicine, Erie
Licensed in
RI
In the registry since
2014
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

455 Toll Gate Rd
Warwick, RI 02886-2759
Phone: (401) 737-7000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence DO00852 (RI)

Record details

NPI number1700299625
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedJune 9, 2014
Last updated in NPPESFebruary 3, 2023
Certification dateFebruary 3, 2023
Mailing address455 Toll Gate Rd, Warwick, RI 02886-2770

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolLAKE ERIE COLLEGE OF OSTEOPATHIC MEDICINE, ERIE
Graduated 2014 (12 years in practice)
Group practice Affinity Physicians Llc. — 734 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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