Organization Active NPI

Guam Hematology Oncology Associates, Inc.

  • Medical Oncology Physician
  • Tamuning, GU
National Provider Identifier
1871467464
Registry record updated Apr 22, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Medical Oncology PhysicianTaxonomy code 207RX0202X
Legal business name
GUAM HEMATOLOGY ONCOLOGY ASSOCIATES, INC.
Practice address
1082 Pale San Vitores Rd Ste 22
Tamuning, GU 96913-4068
Phone
(671) 777-7017
NPI assigned
Oct 6, 2025
Last updated
Apr 22, 2026By the provider in NPPES
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Apr 22, 2026

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

Authorized official

Name
Kelley Barnhart
Title
Manager
Phone
(671) 777-7017

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Medical Oncology Physician 207RX0202X NU Primary

Addresses

Primary practice location

1082 Pale San Vitores Rd Ste 22
Tamuning, GU 96913-4068

Mailing address

415 Chalan San Antonio Ste 303
Tamuning, GU 96913-3620

National Provider Directory

National Provider Directory

Locations

1082 Pale San Vitores Rd
Ste 22
Tamuning, GU 96913
Phone (671) 777-7017

415 Chalan San Antonio
Ste 303
Tamuning, GU 96913
Phone (671) 646-5146

Practitioners & affiliated clinicians

Practitioners 1

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

NPI Registry JSON

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

{
    "created_epoch": "1759708800000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1776816000000",
    "number": "1871467464",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "415 CHALAN SAN ANTONIO STE 303",
            "city": "TAMUNING",
            "state": "GU",
            "postal_code": "969133620"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1082 PALE SAN VITORES RD STE 22",
            "city": "TAMUNING",
            "state": "GU",
            "postal_code": "969134068",
            "telephone_number": "671-777-7017"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "GUAM HEMATOLOGY ONCOLOGY ASSOCIATES, INC.",
        "organizational_subpart": "NO",
        "enumeration_date": "2025-10-06",
        "last_updated": "2026-04-22",
        "certification_date": "2026-04-22",
        "status": "A",
        "authorized_official_last_name": "BARNHART",
        "authorized_official_first_name": "KELLEY",
        "authorized_official_title_or_position": "MANAGER",
        "authorized_official_telephone_number": "671-777-7017"
    },
    "taxonomies": [
        {
            "code": "207RX0202X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Medical Oncology",
            "state": "NU",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Tamuning, GU

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 22, 2026; 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.