BRETT DAVID KALMOWITZ MD
NPI 1700817269
Internal Medicine - Gastroenterology in Providence, RI

Q: What is Brett Kalmowitz's NPI number?

The NPI number for Brett Kalmowitz is 1700817269. It was assigned to this individual provider in the NPPES registry on July 5, 2006.

Q: What is Brett Kalmowitz's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Q: When was this NPI record last updated?

The NPPES record for Brett Kalmowitz was last updated on October 15, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since July 05, 2006PECOS EnrolledAccepts Medicare Assignment

44 W RIVER ST, PROVIDENCE, RI 02904(401) 274-4800(401) 454-0410 Get Directions Write a Review

NPPES record last updated: October 15, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

On this page

About Brett David Kalmowitz Md NPPES

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

BRETT DAVID KALMOWITZ MD (NPI 1700817269) is an individual gastroenterology provider in Providence, Rhode Island, licensed in Rhode Island (MD12041) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Roger Williams Medical Center, and is a graduate of New York University School Of Medicine (1999).

NPPES Registry Identity

NPI1700817269

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameBRETT DAVID KALMOWITZCredential: MD

Location Address44 W RIVER STProvidence, RI 02904-2609

Mailing AddressPo Box 202230Dallas, TX 75320-2230 · (401) 274-4800 · Fax (401) 454-0410

Phone(401) 274-4800

Fax(401) 454-0410

Sole ProprietorNo

Medical School CMSNew York University School Of MedicineGraduated 1999

Enumeration DateJuly 5, 2006

Last NPPES UpdateOctober 15, 2025

NPPES CertifiedOctober 15, 2025

✔ NPI 1700817269 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

Licenses✔ Licensed in RI · MD12041✔ Licensed in MA · 210642

Definition

An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

44 W RIVER ST, Providence, RI 02904

Open in Google Maps ↗

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

Brett David Kalmowitz Md 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 ID6800822677

PECOS Enrollment IDI20050713000148, I20060919000433

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 11

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.

Pathology examination of tissue using a microscope, intermediate complexity 88305

A pathology examination of tissue with intermediate complexity involves studying a small sample of your body tissue under a microscope. This helps in identifying any abnormal cells or signs of disease. It's a detailed process requiring expert analysis to ensure accurate results.

142 services48 patients

Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito G0500

Moderate sedation is a method where a physician uses medication to help you relax during a gastrointestinal endoscopy. An independent trained observer will be present to monitor your vital signs and ensure your safety throughout the procedure. It's a common and safe practice.

107 services104 patients

Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385

This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.

93 services92 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.

86 services75 patients

Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239

This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.

67 services67 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

38 services38 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

30 services29 patients

Biopsy of large bowel using a flexible endoscope 45380

A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.

22 services22 patients

Diagnostic exam of large bowel using a flexible endoscope 45378

This procedure, known as a colonoscopy, involves using a flexible tube with a light and camera to examine the large intestine. It helps detect any abnormalities such as polyps or inflammation. It's a standard procedure to ensure gut health.

19 services19 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

19 services19 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

12 services12 patients

Hospital Affiliations CMS Care Compare 3

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

Roger Williams Medical Center

Acute Care Hospitals · Providence, RI

4/5 CMS rating

OwnershipProprietary

CMS Certification Number410004

Location825 Chalkstone AvenueProvidence, RI 02908 · Providence County

Emergency services

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 02904 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.

Leave this field empty

Other Providers at the Same Location NPPES 19

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

NEIL ROBERT GREENSPAN M.D.

Internal Medicine (Gastroenterology)

44 W RIVER ST
PROVIDENCE, RI 02904

Providence County (401) 274-4800

SAMIR ASHOK SHAH M.D.

Internal Medicine (Gastroenterology)

44 W RIVER ST
PROVIDENCE, RI 02904

Providence County (401) 274-4800

ISABELLA MARIA OLDENBURG PA

Physician Assistant

44 W RIVER ST
PROVIDENCE, RI 02904

Providence County (401) 274-4800

DANIEL PIASCIK

Physician Assistant (Medical)

44 W RIVER ST
PROVIDENCE, RI 02904

Providence County (401) 274-4800

MS. JENNIFER RACHAEL FALLON FNP-BC

Nurse Practitioner (Family)

44 W RIVER ST
PROVIDENCE, RI 02904

Providence County (401) 274-4800

ALYN LOUISE ADRAIN M.D.

Internal Medicine (Gastroenterology)

44 W RIVER ST
PROVIDENCE, RI 02904

Providence County (401) 274-4800

ENDOSCOPY ASSOCIATES, LLC

Clinic/Center (Endoscopy)

44 W RIVER ST, FIRST FLOOR
PROVIDENCE, RI 02904

Providence County (401) 274-4800

TIAN GAO M.D.

Internal Medicine (Gastroenterology)

44 W RIVER ST
PROVIDENCE, RI 02904

Providence County (401) 274-4800

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 Brett Kalmowitz's NPI number?

The NPI number for Brett Kalmowitz is 1700817269. It was assigned to this individual provider in the NPPES registry on July 5, 2006.

Where is Brett Kalmowitz located?

Brett Kalmowitz practices at 44 W River St, Providence, RI 02904. The listed phone number is (401) 274-4800.

What is Brett Kalmowitz's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Brett Kalmowitz enrolled in Medicare?

Yes. Brett Kalmowitz 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 Brett Kalmowitz affiliated with any hospitals?

According to CMS data, Brett Kalmowitz is affiliated with Roger Williams Medical Center, Kent County Memorial Hospital and The Miriam Hospital.

When was this NPI record last updated?

The NPPES record for Brett Kalmowitz was last updated on October 15, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.