Katrina Duffy, PA-C

Primary specialty

Physician AssistantTaxonomy code 363A00000X

License

2026006643 Issued in MO

Practice address

3850 S National Ave
Springfield, MO 65807-5287

Phone

(417) 269-5257

NPI assigned

Jan 29, 2026

Last updated

Apr 22, 2026By the provider in NPPES

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in MO

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: No

Green means eligible to order or refer.

Enrollment records 1

Specialty

Physician Assistant

Education

Other, 2025

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Lester E Cox Medical CentersGroup PAC ID 8628092897, 243 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

State licenses

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.

• Lester E Cox Medical Centers

  dba Ferrell-Duncan Clinic

  • General Practice Physician
  • Springfield, MO
  • NPI 1760405864
  Medicare reassignment Care Compare group

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

{
    "created_epoch": "1769644800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1776816000000",
    "number": "1225988439",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1625 S MARION AVE APT B102",
            "city": "SPRINGFIELD",
            "state": "MO",
            "postal_code": "658071259"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3850 S NATIONAL AVE",
            "city": "SPRINGFIELD",
            "state": "MO",
            "postal_code": "658075287",
            "telephone_number": "417-269-5257"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "3850 S National Ave Ste 700",
            "address_purpose": "LOCATION",
            "city": "Springfield",
            "state": "MO",
            "postal_code": "658075292",
            "country_code": "US",
            "telephone_number": "417-875-3065",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "DUFFY",
        "first_name": "KATRINA",
        "credential": "PA-C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2026-01-29",
        "last_updated": "2026-04-22",
        "certification_date": "2026-04-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "MO",
            "license": "2026006643",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Andrea D Duff, MSW, LCSW
• Carla Carisa Duff, DDS
• Mary Ann Duff, RDN, LDN
• Mary H Duff, MD
• Robert Scott Duff, MD
• Diane Kendrick Dufresne, LMT
• Heather Dugan-Feldt
• Samantha Dugan, PSYD
• Patricia L. Duggan, PA-C
• Taylor Lea Duke

• Physician Assistant in Springfield, MO
• Providers in Springfield, MO by specialty
• Physician Assistant in Missouri

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 22, 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.