Mackenzie Shiann Heaton, PA-C

Primary specialty

Physician AssistantTaxonomy code 363A00000X

Practice address

2410 Susannah St
Johnson City, TN 37601-1748

Phone

(423) 282-9011

NPI assigned

Sep 10, 2024

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 TN

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

May accept Medicare assignment

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

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.

• Watauga Orthopaedics PLC

  • Orthopaedic Surgery Physician
  • Johnson City, TN
  • NPI 1245251404
  Medicare reassignment

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

{
    "created_epoch": "1725926400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1776124800000",
    "number": "1962238691",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2410 SUSANNAH ST",
            "city": "JOHNSON CITY",
            "state": "TN",
            "postal_code": "376011748",
            "telephone_number": "423-282-9011"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2410 SUSANNAH ST",
            "city": "JOHNSON CITY",
            "state": "TN",
            "postal_code": "376011748",
            "telephone_number": "423-282-9011"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HEATON",
        "first_name": "MACKENZIE",
        "middle_name": "SHIANN",
        "credential": "PA-C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2024-09-10",
        "last_updated": "2026-04-14",
        "certification_date": "2026-04-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Matthew Allan Heard, DO
• Rachel A Hearn, FNP-C
• Hearthstone Psychiatry & Wellness, PLLC
• Jennifer Heath, ANP-BC
• Peggy Lucille Heatherly, LMT
• Carly Wolfinger Hedrick, LCSW
• Jacqueline Victoria Heflin, WHNP-BC
• Kayla Marie Heineken
• Ashley Held
• Preston Fhorest Helmly, MD

• Physician Assistant in Johnson City, TN
• Providers in Johnson City, TN by specialty
• Physician Assistant in Tennessee

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 14, 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.