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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. GARRICK COLIN STEWART M.D.
NPI 1295771541
Internal Medicine - Cardiovascular Disease in Warwick, RI

Active since June 22, 2006PECOS EnrolledAccepts Medicare Assignment
455 TOLL GATE ROAD, ASP BLDG, WARWICK, RI 02886(401) 681-4996(401) 921-6569 Get Directions Write a Review

NPPES record last updated: August 14, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Aug 14, 2026, May 8, 2017 (2 updates tracked since 2017).

About Dr. Garrick Colin Stewart M.d. NPPES

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

DR. GARRICK COLIN STEWART M.D. (NPI 1295771541) is an individual cardiovascular disease provider in Warwick, Rhode Island, licensed in Rhode Island (MD14139) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Massachusetts General Hospital, and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1295771541
Entity TypeIndividualMale
Primary Taxonomy207RC0000X
Provider Legal NameDR. GARRICK COLIN STEWARTCredential: M.D.
Location Address455 TOLL GATE ROAD, ASP BLDGWarwick, RI 02886-2759
Mailing Address455 Toll Gate Road, Prc And CredentialingWarwick, RI 02886-2759 · (401) 273-0641 · Fax (401) 273-2919
Phone(401) 681-4996
Fax(401) 921-6569
Sole ProprietorNo
Medical School CMSJohns Hopkins University School Of MedicineGraduated 2003
Enumeration DateJune 22, 2006
Last NPPES UpdateAugust 14, 20262 updates tracked since enumeration
NPPES CertifiedAugust 14, 2026
✔ NPI 1295771541 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
Licenses✔ Licensed in RI · MD14139✔ Licensed in MA · 229892
Definition
An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.
455 TOLL GATE ROAD, Warwick, RI 02886
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Secondary Practice Locations 3

Location 1101 Plain Street, 4th FloorProvidence, RI 02903-4829 · Phone (401) 681-4996 · Fax (401) 921-6569
Location 2455 Toll Gate RoadWarwick, RI 02886-2759 · Phone (401) 737-7010 · Fax (401) 736-1973
Location 375 Francis StBoston, MA 02115-6110 · Phone (617) 732-7406 · Fax (617) 264-5265

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.Insurance ›

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. Garrick Colin Stewart 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 ID1759559156
PECOS Enrollment IDI20110728000548, I20130622000034
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 12

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.

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010
A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
1,299 services1,025 patients
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.
225 services186 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.
129 services31 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
82 services74 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010
A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
72 services71 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.
63 services15 patients

Hospital Affiliations CMS Care Compare 4

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

Massachusetts General Hospital

Acute Care Hospitals · Boston, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220071
Location55 Fruit StreetBoston, MA 02114 · Suffolk County
Emergency services Birthing friendly

Newton-Wellesley Hospital

Acute Care Hospitals · Newton, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220101
Location2014 Washington StreetNewton, MA 02462 · Middlesex County
Emergency services Birthing friendly

Brigham And Women's Hospital

Acute Care Hospitals · Boston, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220110
Location75 Francis StreetBoston, MA 02115 · Suffolk County
Emergency services Birthing friendly

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

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
$72.93 typical visit price
range $18.92 – $144.38
Typical copayment $18.23 (range $4.73 – $36.09)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims 4

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Supplies for maintenance of non-insulin drug infusion catheter, per week (list drugs separately) A4221
DME-Other DME · category DE017N
1 supplier11 claims11 services$18.56 avg. paid by Medicare
Infusion supplies for external drug infusion pump, per cassette or bag (list drugs separately) A4222
DME-Medical/Surgical Supplies · category DA000N
1 supplier14 claims86 services$36.16 avg. paid by Medicare
Injection, milrinone lactate, 5 mg J2260
Treatment-Injections and Infusions (nononcologic) · category RI026N
1 supplier14 claims988 services$1.31 avg. paid by Medicare
Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for a subsequent prescription in a 30-day period Q0512
Treatment-Chemotherapy · category RH012N
2 suppliers12 claims18 services$11.93 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 9

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

CAMERON ROBERT FLETCHER I PA
Physician Assistant
455 TOLL GATE ROAD
WARWICK, RI 02886
Kent County (401) 737-7000
STEPHANIE LEIGH AARON DO
Emergency Medicine
455 TOLL GATE ROAD
WARWICK, RI 02886
Kent County (864) 650-2955
DR. TRAVIS MCFARLANE COTTON MD
Surgery
455 TOLL GATE ROAD, ASP BUILDING
WARWICK, RI 02886
Kent County (401) 738-6611
GURJOT SINGH
Internal Medicine
455 TOLL GATE ROAD
WARWICK, RI 02886
Kent County (401) 737-7010
MICHAEL D CONNOLLY MD
Surgery
455 TOLL GATE ROAD, ASP BUILDING
WARWICK, RI 02886
Kent County (401) 738-6611
DR. JAMEEL SHAREEF DO
Internal Medicine
455 TOLL GATE ROAD
WARWICK, RI 02886
Kent County (401) 737-7010
MARCELA ZEBEDE BLANK MD
Internal Medicine
455 TOLL GATE ROAD
WARWICK, RI 02886
Kent County (401) 737-7010
RACHEL ERIN BEARD M.D.
Surgery
455 TOLL GATE ROAD, ASP BUILDING
WARWICK, RI 02886
Kent County (401) 738-6611

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 Garrick Stewart's NPI number?

The NPI number for Garrick Stewart is 1295771541. It was assigned to this individual provider in the NPPES registry on June 22, 2006.

Where is Garrick Stewart located?

Garrick Stewart practices at 455 Toll Gate Road Asp Bldg, Warwick, RI 02886. The listed phone number is (401) 681-4996.

What is Garrick Stewart's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is Garrick Stewart enrolled in Medicare?

Yes. Garrick Stewart 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.

What insurance does Garrick Stewart accept?

Health plans from Anthem Blue Cross and Blue Shield list Garrick Stewart as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Garrick Stewart affiliated with any hospitals?

According to CMS data, Garrick Stewart is affiliated with Massachusetts General Hospital, Newton-Wellesley Hospital, Brigham And Women's Hospital and Kent County Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Garrick Stewart was last updated on August 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.