John Mason Allen

Primary specialty

Physician AssistantTaxonomy code 363A00000X

Practice address

6516 Kingston Pike
Knoxville, TN 37919-4825

Phone

(865) 450-9361

NPI assigned

Jan 12, 2026

Last updated

Jan 12, 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

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

Lincoln Memorial University Medical Department, 2025

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Knoxville Institute of Dermatology PLLCGroup PAC ID 7719072644, 13 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Practice roles

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.

• Knoxville Institute of Dermatology PLLC

  • Dermatology Physician
  • Knoxville, TN
  • NPI 1760673743
  Medicare reassignment Care Compare group NPD (past)

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

{
    "created_epoch": "1768176000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1768176000000",
    "number": "1982562856",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6516 KINGSTON PIKE",
            "city": "KNOXVILLE",
            "state": "TN",
            "postal_code": "379194825",
            "telephone_number": "865-450-9361"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6516 KINGSTON PIKE",
            "city": "KNOXVILLE",
            "state": "TN",
            "postal_code": "379194825",
            "telephone_number": "865-450-9361"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ALLEN",
        "first_name": "JOHN",
        "middle_name": "MASON",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2026-01-12",
        "last_updated": "2026-01-12",
        "certification_date": "2026-01-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Deborah G Allen, M.D.
• Dorothy E. Allen, PA
• Emily Allen, PHARMD
• Irmalenna Gordon Allen
• Isabelle Louise Allen
• Johnathan Allen, B.S.S.W.
• Jordan Allen, BA
• Julianne Allen, RN
• Katherine Allen, O.D.
• Keri Lynn Allen, BA

• Physician Assistant in Knoxville, TN
• Providers in Knoxville, TN by specialty
• Physician Assistant in Tennessee

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 12, 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.