DR. THOMAS O'BRIEN M.D.
NPI 1801246491
Internal Medicine - Infectious Disease in Warwick, RI

Active since June 15, 2016PECOS EnrolledAccepts Medicare Assignment
455 TOLL GATE RD, WARWICK, RI 02886(401) 273-0641 Get Directions Write a Review

NPPES record last updated: July 28, 2021. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jul 28, 2021, Jun 15, 2016 (2 updates tracked since 2016).

About Dr. Thomas O'brien M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. THOMAS O'BRIEN M.D. (NPI 1801246491) is an individual infectious disease provider in Warwick, Rhode Island, licensed in Rhode Island (MD17913) and active in the NPI registry since June 2016. He is enrolled in Medicare PECOS, is affiliated with Kent County Memorial Hospital, and maintains a secondary practice location in Providence.

NPPES Registry Identity

NPI1801246491
Entity TypeIndividualMale
Primary Taxonomy207RI0200X
Provider Legal NameDR. THOMAS O'BRIENCredential: M.D.
Location Address455 TOLL GATE RDWarwick, RI 02886-2759
Mailing Address593 Eddy StProvidence, RI 02903-4923 · (401) 793-2930 · Fax (401) 793-2953
Sole ProprietorYes
Medical School CMSTufts University School Of MedicineGraduated 2016
Enumeration DateJune 15, 2016
Last NPPES UpdateJuly 28, 20212 updates tracked since enumeration
NPPES CertifiedJuly 28, 2021
NPI 1801246491 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal Medicine · Infectious DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RI0200X
License Licensed in RI · MD17913
Definition

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.

Also ListedInternal MedicineTaxonomy 207R00000X · License LP03709 (RI)
455 TOLL GATE RD, Warwick, RI 02886

Secondary Practice Location 1

Location 1593 Eddy StProvidence, RI 02903-4923 · Phone (401) 793-2930 · Fax (401) 793-2953

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Thomas O'brien M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4183919202
PECOS Enrollment IDI20210810003310
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
43 services33 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
39 services27 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
27 services27 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
20 services12 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Kent County Memorial Hospital

Acute Care Hospitals · Warwick, RI
3/5 CMS rating
OwnershipProprietary
CMS Certification Number410009
Location455 Toll Gate RdWarwick, RI 02886 · Kent County
Emergency services Birthing friendly

The Miriam Hospital

Acute Care Hospitals · Providence, RI
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number410012
Location164 Summit AvenueProvidence, RI 02906 · Providence County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02886 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$134.17 typical visit price
range $58.57 – $177.03
Typical copayment $33.54 (range $14.64 – $44.25)
Most-billed visit code 99204
Established Patient
$103.10 typical visit price
range $18.92 – $144.38
Typical copayment $25.77 (range $4.73 – $36.09)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Internal Medicine
455 TOLL GATE RD
WARWICK, RI 02886
Nurse Practitioner (Adult Health)
455 TOLL GATE RD
WARWICK, RI 02886
Nurse Practitioner (Family)
455 TOLL GATE RD
WARWICK, RI 02886
Emergency Medicine
455 TOLL GATE RD
WARWICK, RI 02886
Family Medicine
455 TOLL GATE RD
WARWICK, RI 02886
Emergency Medicine
455 TOLL GATE RD
WARWICK, RI 02886
Internal Medicine
455 TOLL GATE RD
WARWICK, RI 02886
Anesthesiology
455 TOLL GATE RD
WARWICK, RI 02886

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Thomas O'brien's NPI number?

The NPI number for Thomas O'brien is 1801246491. It was assigned to this individual provider in the NPPES registry on June 15, 2016.

Where is Thomas O'brien located?

Thomas O'brien practices at 455 Toll Gate Rd, Warwick, RI 02886. The listed phone number is (401) 273-0641.

What is Thomas O'brien's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.

Is Thomas O'brien enrolled in Medicare?

Yes. Thomas O'brien is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Thomas O'brien affiliated with any hospitals?

According to CMS data, Thomas O'brien is affiliated with Kent County Memorial Hospital and The Miriam Hospital.

When was this NPI record last updated?

The NPPES record for Thomas O'brien was last updated on July 28, 2021. NPI Profile syncs with the weekly NPPES data releases published by CMS.