Individual provider Active NPI

Kassandra L Payne, DO

  • Family Medicine Physician
  • Fort Smith, AR
National Provider Identifier
1174903389
Registry record updated Aug 10, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Medicine PhysicianTaxonomy code 207Q00000X
License
5982 Issued in OK
Practice address
4003 Massard Rd
Fort Smith, AR 72903-6221
Phone
(479) 434-4747
Fax
(479) 434-4949
NPI assigned
Jun 2, 2015
Sex
Female
Sole proprietor
No

Organizations & group practices 16

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.

View all 16

Hospital & facility affiliations 3

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

Care Compare profile

Medicare Care Compare
Specialty
Family PracticeAlso: Obstetrics/Gynecology
Education
Other, 2015
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
River Valley Primary Care Services 39 clinicians

Practice addresses (Care Compare)

4003 Massard Rd
Fort Smith, AR 72903-6221
Phone (479) 434-4747

4900 Kelley Hwy
Fort Smith, AR 72904-5000
Phone (479) 785-5700

9755 W State Hwy 22
Ratcliff, AR 72951-9000
Phone (479) 431-2050

Hospital & facility affiliations

  • Elite Home Health Home health agency, Fort Smith, AR, CCN 047339
  • Mercy Hospital Fort Smith Hospital, Fort Smith, AR, CCN 040062
  • Baptist Health - Fort Smith Hospital, Fort Smith, AR, CCN 040055

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in AR
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 1

Enrollment IDStateProvider typePAC IDDetails
I20200626000506 AR Practitioner - Family Practice 7719263722 Reassigns benefits to 1 organization

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
River Valley Primary Care Services CurrentSince Jun 15, 2020 Accepting new patients
River Valley Primary Care Services CurrentSince Jun 15, 2020 Accepting new patients
River Valley Primary Care Services Current Accepting new patients

Locations

1273 E Highway 64
Coal Hill, AR 72832
Phone (479) 279-7670

920 S Highway 45
Fort Smith, AR 72916
Phone (479) 255-6095

4900 Kelley Hwy
Fort Smith, AR 72904
Phone (479) 783-0221

4003 Massard Rd
Fort Smith, AR 72903
Phone (479) 226-3836

Interoperability endpoints

  • Direct secure messaging: kpayne589692@direct.ochin.org

Specialties & licenses 1

NPPES NPI Registry
Specialty (taxonomy)CodeLicenseStatePrimary
Family Medicine Physician 207Q00000X 5982 OK Primary

Addresses

NPPES NPI Registry

Primary practice location

4003 Massard Rd
Fort Smith, AR 72903-6221

Mailing address

4003 Massard Rd
Fort Smith, AR 72903-6221
Phone (479) 434-4747

Other identifiers 1

NPPES NPI Registry
IdentifierTypeStateIssuer
373479MedicaidOK

Other names 1

NPPES NPI Registry
  • Dr. Kassandra L Guthmueller Former name

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format, last updated by the provider on Aug 10, 2026.

{
    "created_epoch": "1433203200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1786320000000",
    "number": "1174903389",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4003 MASSARD RD",
            "city": "FORT SMITH",
            "state": "AR",
            "postal_code": "729036221",
            "telephone_number": "479-434-4747",
            "fax_number": "479-434-4949"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4003 MASSARD RD",
            "city": "FORT SMITH",
            "state": "AR",
            "postal_code": "729036221",
            "telephone_number": "479-434-4747",
            "fax_number": "479-434-4949"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "PAYNE",
        "first_name": "KASSANDRA",
        "middle_name": "L",
        "name_prefix": "Dr.",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2015-06-02",
        "last_updated": "2026-08-10",
        "certification_date": "2026-08-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "OK",
            "license": "5982",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "373479",
            "state": "OK"
        }
    ],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "KASSANDRA",
            "last_name": "GUTHMUELLER",
            "middle_name": "L",
            "prefix": "DR.",
            "credential": "DO",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Fort Smith, AR

Sources for this page

Verify at the official NPI Registry.