Brett David Kalmowitz, MD

Primary specialty

Gastroenterology PhysicianTaxonomy code 207RG0100X

License

MD12041 Issued in RI

Practice address

44 W River St
Providence, RI 02904-2609

Phone

(401) 274-4800

Fax

(401) 454-0410

NPI assigned

Jul 5, 2006

Sex

Male

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Enrolled in MA, RI2 enrollments

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 2

Specialty

Gastroenterology

Education

New York University School of Medicine, 1999

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

University Gastroenterology, LLCGroup PAC ID 3678762804, 99 clinicians

Gastroenterology Associates IncGroup PAC ID 6103886528, 14 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• The Miriam Hospital Hospital, Providence, RI, CCN 410012
• Roger Williams Medical Center Hospital, Providence, RI, CCN 410004
• Kent County Memorial Hospital Hospital, Warwick, RI, CCN 410009

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: brett.kalmowitz@ga.eclinicaldirectplus.com
• FHIR API: https://fhir4.healow.com/fhir/r4/BBICBD

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Gastroenterology Associates Inc

  • Gastroenterology Physician
  • Providence, RI
  • NPI 1093723546

  MA

  Medicare reassignment Care Compare group NPD
• University Gastroenterology, LLC

  • Gastroenterology Physician
  • Providence, RI
  • NPI 1386952612
  Medicare reassignment Care Compare group NPD
• Harvard Medical Faculty Phys at Beth Israel Deaconess Med Ctr Inc

  • Internal Medicine Physician
  • Boston, MA
  • NPI 1194765438
  NPD (past)
• Medical Care of Boston Management Corporation

  • Internal Medicine Physician
  • Needham, MA
  • NPI 1437196359
  NPD (past)

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Kent County Memorial Hospital

  • Rehabilitation Hospital Unit
  • Warwick, RI
  • NPI 1023017944
  Care Compare affiliation
• Kent County Memorial Hospital

  • General Acute Care Hospital
  • Warwick, RI
  • NPI 1386643294
  Care Compare affiliation
• Prospect Chartercare RWMC, LLC

  • General Acute Care Hospital
  • Providence, RI
  • NPI 1013332014
  Care Compare affiliation
• The Miriam Hospital

  • General Acute Care Hospital
  • Providence, RI
  • NPI 1487649430
  Care Compare affiliation

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1152057600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1760486400000",
    "number": "1700817269",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 202230",
            "city": "DALLAS",
            "state": "TX",
            "postal_code": "753202230",
            "telephone_number": "401-274-4800",
            "fax_number": "401-454-0410"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "44 W RIVER ST",
            "city": "PROVIDENCE",
            "state": "RI",
            "postal_code": "029042609",
            "telephone_number": "401-274-4800",
            "fax_number": "401-454-0410"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KALMOWITZ",
        "first_name": "BRETT",
        "middle_name": "DAVID",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-07-05",
        "last_updated": "2025-10-15",
        "certification_date": "2025-10-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "MA",
            "license": "210642",
            "primary": false
        },
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "RI",
            "license": "MD12041",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Jerome Kalifa, MD
• Loree K Kalliainen, MD
• Markos Kalligeros, MD
• Donald Michael Kallio, DMD
• Madeline Kallmyer, MA
• Jessica Ann Kaloustian, M.S., CCC-SLP
• Beth M. Kalunian, LISCW
• Omer Kamal, MD
• Elena Kamanetsky, M.D.
• Achyut Kamat, MD

• Gastroenterology Physician in Providence, RI
• Providers in Providence, RI by specialty
• Gastroenterology Physician in Rhode Island

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 15, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.