NPIMap

Individual provider Active NPI

Jon D Harper, MD

  • Internal Medicine Physician
  • Fort Smith, AR
National Provider Identifier
1548258361
Registry record updated Aug 11, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
E2043 Issued in AR
Practice address
7301 Rogers Ave
Fort Smith, AR 72903-4100
Phone
(479) 314-6245
Fax
(479) 452-0275
NPI assigned
Oct 6, 2005
Last updated
Aug 11, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 11, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X E2043 AR Primary

Addresses

Primary practice location

7301 Rogers Ave
Fort Smith, AR 72903-4100

Mailing address

PO Box 776084
Chicago, IL 60677-6084
Phone (479) 314-6245

Other practice location 1

1120 Lexington Ave
Fort Smith, AR 72901-5136
Phone (479) 709-7260

Other identifiers 2

IdentifierTypeStateIssuer
200045190AMedicaidOK
137764001MedicaidAR

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in AR
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
I20040923000596 AR Practitioner - Internal Medicine 0244208577 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
University of Arkansas College of Medicine, 1996
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Baptist Health ServicesGroup PAC ID 0648514133, 103 clinicians

Practice addresses (Care Compare)

1120 Lexington Ave
Fort Smith, AR 72901-5136
Phone (479) 709-7260

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
E2043ARMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Baptist Health Services Internal Medicine CurrentSince Nov 1, 2018 Accepting new patients
Baptist Health Services Current Accepting new patients
Sparks Medical Foundation Internal Medicine Past Accepting new patients
Fort Smith Hma, LLC Past Accepting new patients
Baptist Health Regional Hospitals Past Accepting new patients
Sparks Medical Foundation Past Accepting new patients
Sparks Regional Medical Center Past Accepting new patients

Locations

1120 Lexington Ave
Fort Smith, AR 72901
Phone (479) 709-7120

1500 Dodson Ave
Fort Smith, AR 72901
Phone (479) 441-2600

1500 Dodson Ave
Ste 126
Fort Smith, AR 72901
Phone (479) 709-7375

1500 Dodson Ave
Ste 285B
Fort Smith, AR 72901
Phone (479) 709-7025

1500 Dodson Ave
Ste 60
Fort Smith, AR 72901
Phone (479) 709-7325

1500 Dodson Ave
Ste 65
Fort Smith, AR 72901
Phone (479) 441-5475

600 Lexington Ave
Fort Smith, AR 72901
Phone (479) 709-7025

11001 Executive Center Dr
Ste 200
Little Rock, AR 72211
Phone (501) 812-7215

Interoperability endpoints

  • Direct secure messaging: jharper217969@direct.baptist-healthar.org

Organizations & group practices 7

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 9

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": "1128556800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1786406400000",
    "number": "1548258361",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 776084",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606776084",
            "telephone_number": "479-314-6245",
            "fax_number": "479-452-0275"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "7301 ROGERS AVE",
            "city": "FORT SMITH",
            "state": "AR",
            "postal_code": "729034100",
            "telephone_number": "479-314-6245",
            "fax_number": "479-452-0275"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1120 Lexington Ave",
            "address_purpose": "LOCATION",
            "city": "Fort Smith",
            "state": "AR",
            "postal_code": "729015136",
            "country_code": "US",
            "telephone_number": "479-709-7260",
            "fax_number": "479-709-7261",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "HARPER",
        "first_name": "JON",
        "middle_name": "D",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-10-06",
        "last_updated": "2026-08-11",
        "certification_date": "2026-08-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "AR",
            "license": "E2043",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "200045190A",
            "state": "OK"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "137764001",
            "state": "AR"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Fort Smith, AR

Sources for this page

Verify at the official NPI Registry.