Individual provider Active NPI

Gurkamal Singh Chatta, MD

  • Medical Oncology Physician
  • Buffalo, NY
National Provider Identifier
1114999083
Registry record updated Jun 11, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Medical Oncology PhysicianTaxonomy code 207RX0202X
License
284329 Issued in NY
Practice address
Elm and Carlton St
Buffalo, NY 14263-0001
Phone
(716) 845-2300
Fax
(716) 845-3519
NPI assigned
Feb 6, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 11, 2026

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

Specialties & licenses 4

Specialty (taxonomy)CodeLicenseStatePrimary
Hematology & Oncology Physician 207RH0003X MD00025531 WA
Specialist 174400000X MD417845 PA
Medical Oncology Physician 207RX0202X MD228838 OR
Medical Oncology Physician 207RX0202X 284329 NY Primary

Addresses

Primary practice location

Elm and Carlton St
Buffalo, NY 14263-0001

Mailing address

Elm and Carlton St
Buffalo, NY 14263-0001
Phone (716) 845-2300

Other practice location 1

2610 Uhrmann Rd
Klamath Falls, OR 97601-1123
Phone (541) 274-4171

Other identifiers 3

IdentifierTypeStateIssuer
P01023152OtherWARAILROAD MEDICARE
001748651MedicaidPA
1114999083MedicaidWA

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NY, OR2 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

Enrollment IDStateProvider typePAC IDDetails
I20160714002167 NY Practitioner - Medical Oncology 1951425263 Reassigns benefits to 1 organization
I20260626001311 OR Practitioner - Hematology/Oncology 1951425263 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Medical Oncology
Education
Other, 1979
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Roswell Park Cancer InstituteGroup PAC ID 3577475110, 487 clinicians

Practice addresses (Care Compare)

Elm and Carlton St
Buffalo, NY 14263-0001
Phone (716) 845-2300

Hospital & facility affiliations

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Roswell Park Cancer Institute CurrentSince May 1, 2016 Accepting new patients
Roswell Park Cancer Institute CurrentSince May 1, 2016 Accepting new patients
Alpine Dermatology, LLC Past Accepting new patients
Roswell Park Cancer Institute Past Accepting new patients
Windber Hospital, Inc. Past Accepting new patients

Locations

Dept 8000
Buffalo, NY 14267

Elm and Carlton St
Buffalo, NY 14263

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.

Hospital & facility affiliations 4

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

NPI Registry JSON

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

{
    "created_epoch": "1139184000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1781136000000",
    "number": "1114999083",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "ELM AND CARLTON ST",
            "city": "BUFFALO",
            "state": "NY",
            "postal_code": "142630001",
            "telephone_number": "716-845-2300",
            "fax_number": "716-845-3519"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "ELM AND CARLTON ST",
            "city": "BUFFALO",
            "state": "NY",
            "postal_code": "142630001",
            "telephone_number": "716-845-2300",
            "fax_number": "716-845-3519"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2610 Uhrmann Rd",
            "address_purpose": "LOCATION",
            "city": "Klamath Falls",
            "state": "OR",
            "postal_code": "976011123",
            "country_code": "US",
            "telephone_number": "541-274-4171",
            "fax_number": "541-274-4174",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "CHATTA",
        "first_name": "GURKAMAL",
        "middle_name": "SINGH",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-02-06",
        "last_updated": "2026-06-11",
        "certification_date": "2026-06-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "WA",
            "license": "MD00025531",
            "primary": false
        },
        {
            "code": "174400000X",
            "taxonomy_group": "",
            "desc": "Specialist",
            "state": "PA",
            "license": "MD417845",
            "primary": false
        },
        {
            "code": "207RX0202X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Medical Oncology",
            "state": "OR",
            "license": "MD228838",
            "primary": false
        },
        {
            "code": "207RX0202X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Medical Oncology",
            "state": "NY",
            "license": "284329",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "RAILROAD MEDICARE",
            "identifier": "P01023152",
            "state": "WA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "001748651",
            "state": "PA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1114999083",
            "state": "WA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Buffalo, NY

Sources for this page

Verify at the official NPI Registry.