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Active NPI 1801246491 Individual Practitioner Male Practitioner

Dr. Thomas O'brien , MD

Internal Medicine - Infectious Disease • 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. Thomas O'Brien, MD is a registered Internal Medicine - Infectious Disease practitioner in Warwick, RI. With approximately 10 years of clinical practice since graduating from Tufts University School Of Medicine in 2016, Dr. O'Brien provides healthcare services at the registered practice location at 455 TOLL GATE RD.

Dr. O'Brien is affiliated with Affinity Physicians Llc. and accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient outpatient office visit, subsequent hospital care with moderate levelof medical decision making, if using time, at least, initial hospital care with moderate level of medical decision making, if using time, at least. 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 4012730641
Associated Practice Facility / Clinic
🏢 Kent County Memorial Hospital Facility NPI 1386643294

Medicare Profile & Education

Medical School

Tufts University School Of Medicine

Graduation Year

2016

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine - Infectious Disease in Warwick, RI

Established Specialist (10-20 Yrs)
Practitioner Clinical Experience
10 Yrs -2.7 yrs vs City Avg
City Avg: 12.7 Yrs
State Avg: 25.9 Yrs
Regional Practice Density
4 Specialists

Practicing in Warwick, RI (66 Statewide)

Telehealth Adoption Rate
0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
60.3% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. O'brien (10 Years) 10 Yrs
Warwick Specialty Average (12.7 Years) 12.7 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
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
43 33 $301.00 $93.25
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes
39 27 $237.00 $117.57
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes
27 27 $458.00 $171.71
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes
20 12 $165.00 $78.16

Medical Specialties & State Licenses

CMS Verified: 2021-07-28
Internal Medicine - Infectious Disease Primary Specialty

NUCC Taxonomy Code: 207RI0200X

State License RI MD17913

An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.

Internal Medicine

NUCC Taxonomy Code: 207R00000X

State License RI LP03709

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

Secondary Practice Locations

593 Eddy St

Providence, RI 029034923

Phone: 4017932930

Practice Associates & Co-Workers

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

15 Associated Practitioners
Dr. Anuradha Ramaswamy , MD

Internal Medicine - Pulmonary Disease

NPI 1023113644

Doctor of Medicine (M.D.)

NPI 1023421948

Doctor of Osteopathic Medicine (D.O.)

Ariane Myrtle , PA-C

Physician Assistant - Surgical

NPI 1083863773

Physician Assistant (Certified)

Rebecca Mclean

Clinical Neuropsychologist

NPI 1144643495
Brooke Richer , NP

Nurse Practitioner - Adult Health

NPI 1194482828

Nurse Practitioner

Dr. Nadah Zafar , MD

Emergency Medicine

NPI 1205842341

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

7 Historical Events
📍
Updated Practice Location July 28, 2021

Registered at 455 TOLL GATE RD, WARWICK, RI 028862759 (Tel: 4012730641)

NPI Profile Active June 15, 2016

NPI status registered as active in NPPES database

📍
Updated Practice Location June 15, 2016

Registered at 593 EDDY ST, PROVIDENCE, RI 029034923 (Tel: 4017932930)

📍
Updated Business Mailing Address June 15, 2016

Registered at 593 EDDY ST, PROVIDENCE, RI 029034923 (Tel: 4017932930)

👤
Provider Name / Credentials Updated June 15, 2016

Recorded as THOMAS O'BRIEN, M.D.

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) June 15, 2016

Internal Medicine (License #LP03709 in RI)

🟢
Initial NPI Registration & Enumeration June 15, 2016

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: 1801246491
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: June 15, 2016
Last Update: July 28, 2021
Sole Proprietor: Yes

Mailing Address

593 Eddy St

Providence, RI 029034923

Phone: 4017932930

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.