Individual provider Active NPI

Graham John Newstead, M.D.

  • Allergy & Immunology Physician
  • Warwick, RI
National Provider Identifier
1720109986
Registry record updated Sep 11, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Allergy & Immunology PhysicianTaxonomy code 207K00000X
License
MD04236 Issued in RI
Practice address
300 Tollgate Road
Suite 204
Warwick, RI 02886-4448
Phone
(401) 738-2400
Fax
(401) 732-8953
NPI assigned
Apr 3, 2007
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Sep 11, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Allergy & Immunology Physician 207K00000X MD04236 RI Primary
Pediatrics Physician 208000000X MD04236 RI

Addresses

Primary practice location

300 Tollgate Road
Suite 204
Warwick, RI 02886-4448

Mailing address

300 Tollgate Road
Suite 204
Warwick, RI 02886-4448
Phone (401) 738-2400

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
MD04236RIMDAllergy & Immunology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Graham J. Newstead M.D., Inc. Allergy & Immunology PastSince Apr 1, 1990 Accepting new patients

Organizations & group practices 1

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": "1175558400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1720109986",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "300 TOLLGATE ROAD",
            "address_2": "SUITE 204",
            "city": "WARWICK",
            "state": "RI",
            "postal_code": "028864448",
            "telephone_number": "401-738-2400",
            "fax_number": "401-732-8953"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "300 TOLLGATE ROAD",
            "address_2": "SUITE 204",
            "city": "WARWICK",
            "state": "RI",
            "postal_code": "028864448",
            "telephone_number": "401-738-2400",
            "fax_number": "401-732-8953"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "NEWSTEAD",
        "first_name": "GRAHAM",
        "middle_name": "JOHN",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2007-04-03",
        "last_updated": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207K00000X",
            "taxonomy_group": "",
            "desc": "Allergy & Immunology",
            "state": "RI",
            "license": "MD04236",
            "primary": true
        },
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "RI",
            "license": "MD04236",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Warwick, RI

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.