Individual provider Active NPI

Kenneth Robert Larsen, D.O

  • Emergency Medicine Physician
  • Warwick, RI
National Provider Identifier
1003894940
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Emergency Medicine PhysicianTaxonomy code 207P00000X
License
490 Issued in RI
Practice address
455 Toll Gate Rd
Warwick, RI 02886-2759
Phone
(401) 736-4289
NPI assigned
Dec 31, 2005
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 13, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Emergency Medicine Physician 207P00000X 490 RI Primary
Emergency Medicine Physician 207P00000X 273 CT

Addresses

Primary practice location

455 Toll Gate Rd
Warwick, RI 02886-2759

Mailing address

382 Grindstone Hill Rd
North Stonington, CT 06359-1106
Phone (860) 599-1871

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file
Eligible to order & refer
  • Part B services: No
  • Medical equipment: Yes
  • Home health: No
  • Power mobility devices: Yes
  • Hospice: No
Green means eligible to order or refer.

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Osteopathy, Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
490RIMDEmergency Medicine Physician
000273CTMDOccupational Therapy Assistant

Practice roles

OrganizationSpecialtyStatusNew patients
DHHS, PHS, Naihs, Shiprock Hospital CurrentSince Jan 4, 2021 Accepting new patients
The William W Backus Hospital CurrentSince Jun 1, 2007 Accepting new patients
Hartford Healthcare Urgent Care Centers, LLC CurrentSince Oct 15, 2018 Accepting new patients
DHHS, PHS, Naihs, Shiprock Hospital CurrentSince Jan 4, 2021 Accepting new patients
Usacs of Connecticut, LLC Emergency Medicine Past Accepting new patients
North Stonington Health Center, Inc Past Accepting new patients

Locations

385 W Main St
Avon, CT 06001
Phone (860) 777-1280

326 Washington St
Norwich, CT 06360
Phone (860) 701-0140

Organizations & group practices 6

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.

NPI Registry JSON

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

{
    "created_epoch": "1135987200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1003894940",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "382 GRINDSTONE HILL RD",
            "city": "NORTH STONINGTON",
            "state": "CT",
            "postal_code": "063591106",
            "telephone_number": "860-599-1871",
            "fax_number": "860-599-6071"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "455 TOLL GATE RD",
            "city": "WARWICK",
            "state": "RI",
            "postal_code": "028862759",
            "telephone_number": "401-736-4289"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LARSEN",
        "first_name": "KENNETH",
        "middle_name": "ROBERT",
        "credential": "D.O",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-12-31",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "RI",
            "license": "490",
            "primary": true
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "CT",
            "license": "273",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Warwick, RI

Sources for this page

Verify at the official NPI Registry.