Carl R Duncan, M.D.

Primary specialty

Family Medicine PhysicianTaxonomy code 207Q00000X

License

E2841 Issued in AR

Practice address

451 S Holly St
Siloam Springs, AR 72761-3018

Phone

(479) 524-3141

Fax

(479) 524-3090

NPI assigned

May 10, 2006

Last updated

Jul 13, 2026By the provider in NPPES

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Enrolled in TX

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

Specialty

Family Practice

Education

University of Oklahoma College of Medicine, 1998

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Cherokee NationGroup PAC ID 5799698742, 446 clinicians

Practice addresses (Care Compare)

Merit-based Incentive Payment System (MIPS)

Final score

85.4 of 100Reported as group

Quality

72.78

Promoting interoperability

98

Improvement activities

40

Cost

76.77

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

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.

• Cherokee Nation

  • Multi-Specialty Clinic/Center
  • Sallisaw, OK
  • NPI 1780692723

  TX

  Medicare reassignment Care Compare group NPD
• Cherokee Nation

  dba Cherokee Nation Public Health

  • Public Health or Welfare Agency
  • Tahlequah, OK
  • NPI 1013884154
  NPD
• Cherokee Nation

  • Multi-Specialty Clinic/Center
  • Salina, OK
  • NPI 1326054081
  NPD
• Cherokee Nation

  • Multi-Specialty Clinic/Center
  • Vinita, OK
  • NPI 1558377226
  NPD
• Cherokee Nation

  • Multi-Specialty Clinic/Center
  • Muskogee, OK
  • NPI 1841207156
  NPD
• Cherokee Nation

  • Multi-Specialty Clinic/Center
  • Stilwell, OK
  • NPI 1992711345
  NPD
• Ahs Oklahoma Physician Group, LLC

  dba Cushing Medical Specialist

  • Rural Health Clinic/Center
  • Cushing, OK
  • NPI 1922683051
  NPD (past)

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

{
    "created_epoch": "1147219200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1700835139",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "451 S HOLLY ST",
            "city": "SILOAM SPRINGS",
            "state": "AR",
            "postal_code": "727613018",
            "telephone_number": "479-524-3141",
            "fax_number": "479-524-3090"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "451 S HOLLY ST",
            "city": "SILOAM SPRINGS",
            "state": "AR",
            "postal_code": "727613018",
            "telephone_number": "479-524-3141",
            "fax_number": "479-524-3090"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DUNCAN",
        "first_name": "CARL",
        "middle_name": "R",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-05-10",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "AR",
            "license": "E2841",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BCBS AR",
            "identifier": "5L836",
            "state": "AR"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Lori Lynn Douglas
• Dr. Greg Walters and Associates
• Ember Dreemur, MS, LPC
• Mary Droho
• Rebekah Evelyn Dumont
• Frances Lynn Duran, LPC
• Angela Eagle, OD
• East Counseling LLC
• Brieann Easter
• James Richard Easterling, PD

• Family Medicine Physician in Siloam Springs, AR
• Providers in Siloam Springs, AR by specialty
• Family Medicine Physician in Arkansas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.