NPIMap

Individual provider Active NPI

Jeffrey A Stephenson, MD

  • Radiation Oncology Physician
  • Missoula, MT
National Provider Identifier
1053312900
Registry record updated Mar 5, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Radiation Oncology PhysicianTaxonomy code 2085R0001X
License
10665 Issued in MT
Practice address
500 W Broadway St
Missoula, MT 59802-4008
Phone
(406) 329-5655
Fax
(406) 329-5675
NPI assigned
Aug 2, 2005
Last updated
Mar 5, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Mar 5, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Radiation Oncology Physician 2085R0001X 10665 MT Primary

Addresses

Primary practice location

500 W Broadway St
Missoula, MT 59802-4008

Mailing address

PO Box 31001
Pasadena, CA 91110-4114
Phone (406) 327-1919

Other identifiers 2

IdentifierTypeStateIssuer
0089352MedicaidMT
M000009936OtherPTAN

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address jstephenson237310@wm.providencedirect.org

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MT
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20050120000718 MT Practitioner - Radiation Oncology 4688623226 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Radiation Oncology
Education
University of Wisconsin School of Medicine, 1985
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Providence Health and Services MtGroup PAC ID 6608786306, 358 clinicians

Practice addresses (Care Compare)

500 W Broadway St
Missoula, MT 59802-4008
Phone (406) 329-5828

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
10665MTMDPediatric Occupational Therapist

Practice roles

OrganizationSpecialtyStatusNew patients
Providence Health & Services Mt CurrentSince Mar 4, 2013 Accepting new patients
Providence Health & Services Mt Current Accepting new patients
Providence Health & Services Mt CurrentSince Mar 4, 2013 Accepting new patients
Benefis Hospitals Inc CurrentSince Nov 2, 2011 Accepting new patients
Great Falls Clinic LLC CurrentSince Mar 7, 2005 Accepting new patients
Benefis Hospitals, Inc. CurrentSince Nov 2, 2011 Accepting new patients
Florida Institute of Research Medicine and Surgery PA Radiation Oncology Past Accepting new patients
Providence Health & Services Mt Past Accepting new patients

Locations

1101 26th St S
Great Falls, MT 59405
Phone (406) 455-4690

1101 26th St S
Fl 5
Great Falls, MT 59405
Phone (406) 455-2132

1117 29th St S
Great Falls, MT 59405
Phone (406) 731-8150

1400 29th St S
Great Falls, MT 59405
Phone (406) 442-3570

1401 25th St S
Great Falls, MT 59405
Phone (406) 455-3650

400 13th Ave S
Ste 101
Great Falls, MT 59405
Phone (406) 455-2821

500 15th Ave S
Great Falls, MT 59405
Phone (406) 455-2021

500 W Broadway St
Missoula, MT 59802
Phone (406) 327-1918

500 W Broadway St
Ste 320
Missoula, MT 59802

Interoperability endpoints

  • FHIR API: https://api.platform.athenahealth.com/25095/brand/1/csg/1/fhir/r4
  • Direct secure messaging: jstephenson237310@wm.providencedirect.org

Organizations & group practices 8

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

Hospital & facility affiliations 6

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": "1122940800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1772668800000",
    "number": "1053312900",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 31001",
            "city": "PASADENA",
            "state": "CA",
            "postal_code": "911104114",
            "telephone_number": "406-327-1919",
            "fax_number": "406-329-2937"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "500 W BROADWAY ST",
            "city": "MISSOULA",
            "state": "MT",
            "postal_code": "598024008",
            "telephone_number": "406-329-5655",
            "fax_number": "406-329-5675"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "STEPHENSON",
        "first_name": "JEFFREY",
        "middle_name": "A",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-08-02",
        "last_updated": "2026-03-05",
        "certification_date": "2026-03-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085R0001X",
            "taxonomy_group": "",
            "desc": "Radiology, Radiation Oncology",
            "state": "MT",
            "license": "10665",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "0089352",
            "state": "MT"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "PTAN",
            "identifier": "M000009936",
            "state": null
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "jstephenson237310@wm.providencedirect.org",
            "affiliation": "N",
            "address_1": "500 W Broadway St",
            "city": "Missoula",
            "state": "MT",
            "country_code": "US",
            "postal_code": "598024008",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Missoula, MT

Sources for this page

Verify at the official NPI Registry.