Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1700299625 Individual Practitioner Male Practitioner

Dr. John James Sullivan , DO

Internal Medicine • Warwick, RI

✓ Accepts Medicare Assignment
Public Directory Information & Medical Disclaimer

This profile is compiled from official public domain records provided by CMS and the NPPES registry. TRUE-MEDINFO is an independent reference directory and does not provide medical advice, diagnosis, or treatment recommendations. Always consult a licensed medical professional for personal health decisions.

Professional Overview & Biography Verified Profile Summary

Dr. John Sullivan, DO is a registered Internal Medicine practitioner in Warwick, RI. With approximately 12 years of clinical practice since graduating from Lake Erie College Of Osteopathic Medicine, Erie in 2014, Dr. Sullivan provides healthcare services at the registered practice location at 455 TOLL GATE RD.

Dr. Sullivan is affiliated with Affinity Physicians Llc. and accepts Medicare assignment.

Frequently performed procedures and clinical services include critical care, first, subsequent hospital care with moderate levelof medical decision making, if using time, at least, hospital discharge day management, more than. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

455 Toll Gate Rd

Warwick, RI 028862759

Telephone 4017377000
Associated Practice Facility / Clinic
🏢 Kent County Memorial Hospital Facility NPI 1386643294

Medicare Profile & Education

Medical School

Lake Erie College Of Osteopathic Medicine, Erie

Graduation Year

2014

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Warwick, RI

Established Specialist (10-20 Yrs)
Practitioner Clinical Experience
12 Yrs -5.8 yrs vs City Avg
City Avg: 17.8 Yrs
State Avg: 27.9 Yrs
Regional Practice Density
121 Specialists

Practicing in Warwick, RI (1079 Statewide)

Telehealth Adoption Rate
10.7% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
60.2% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Sullivan (12 Years) 12 Yrs
Warwick Specialty Average (17.8 Years) 17.8 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)
Reporting Year:
HCPCS Code & Description Services Patients Submitted Charge Medicare Allowed
99291 Critical care, first 30-74 minutes
139 56 $654.00 $209.32
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes
58 48 $237.00 $117.00
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes
52 41 $165.00 $77.84
99239 Hospital discharge day management, more than 30 minutes
21 20 $243.00 $113.17

Medical Specialties & State Licenses

CMS Verified: 2023-02-03
Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License RI DO00852

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Hospital & Practice Group Affiliations

Affinity Physicians Llc.

455 Toll Gate Rd, Warwick, RI 028862759

Phone: 4017377010

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

40 Associated Practitioners
Dr. Sterling Malish , MD

Internal Medicine

NPI 1003073776

Doctor of Medicine (M.D.)

Sabrina O'donnell , FNP-BC

Nurse Practitioner - Family

NPI 1003422775

Family Nurse Practitioner (Board Certified)

Dr. John Gelzhiser , MD

Internal Medicine

NPI 1013100759

Doctor of Medicine (M.D.)

Maureen Mccourt

Nurse Practitioner - Pediatrics

NPI 1053589796
Cameron Fletcher , PA

Physician Assistant

NPI 1063088730

Physician Assistant

Nicole Barton , PA-C

Physician Assistant

NPI 1063746592

Physician Assistant (Certified)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

12 Historical Events
📍
Updated Business Mailing Address April 01, 2019

Registered at 455 TOLL GATE RD, WARWICK, RI 028862770 (Tel: 4017364555)

NPI Profile Active March 21, 2017

NPI status registered as active in NPPES database

📍
Updated Practice Location March 21, 2017

Registered at 455 TOLL GATE RD, WARWICK, RI 028862759 (Tel: 4017377000)

📍
Updated Business Mailing Address March 21, 2017

Registered at 345 BLACKSTONE BLVD, PROVIDENCE, RI 029064800 (Tel: 4012730641)

👤
Provider Name / Credentials Updated March 21, 2017

Recorded as JOHN SULLIVAN, DO

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) March 21, 2017

Internal Medicine (License #DO00852 in RI)

NPI Profile Active June 09, 2014

NPI status registered as active in NPPES database

📍
Updated Practice Location June 09, 2014

Registered at 455 TOLL GATE RD, WARWICK, RI 028862759 (Tel: 4017377000)

📍
Updated Business Mailing Address June 09, 2014

Registered at 345 BLACKSTONE BLVD, PROVIDENCE, RI 029064800 (Tel: 4012730641)

👤
Provider Name / Credentials Updated June 09, 2014

Recorded as JOHN SULLIVAN, DO

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) June 09, 2014

Student in an Organized Health Care Education/Training Program (License #LP03143 in RI)

🟢
Initial NPI Registration & Enumeration June 09, 2014

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1700299625
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: June 09, 2014
Last Update: February 03, 2023
Sole Proprietor: No

Mailing Address

455 Toll Gate Rd

Warwick, RI 028862770

Phone: 4017364555

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.