William Clay Callicott VI, DO

Primary specialty

Pulmonary Disease PhysicianTaxonomy code 207RP1001X

License

5317 Issued in TN

Practice address

9352 Park West Blvd
Knoxville, TN 37923-4325

Phone

(865) 373-1000

NPI assigned

Apr 2, 2020

Sex

Male

Sole proprietor

No

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

Specialties & licenses 3

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: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Internal Medicine

Education

Other, 2020

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Southeastern Physician Services PCGroup PAC ID 0042307852, 591 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Baptist Memorial Hospital Hospital, Memphis, TN, CCN 440048

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

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 and National Provider Directory roles.

• Southeastern Physician Services PC

  • Hospitalist Physician
  • Oak Ridge, TN
  • NPI 1083835441

  Internal Medicine

  Medicare reassignment Care Compare group NPD

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Baptist Memorial Hospital

  • General Acute Care Hospital
  • Memphis, TN
  • NPI 1578527172
  Care Compare affiliation

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

{
    "created_epoch": "1585785600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1782345600000",
    "number": "1275162380",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1900 N WINSTON RD STE 501",
            "city": "KNOXVILLE",
            "state": "TN",
            "postal_code": "379193605"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "9352 PARK WEST BLVD",
            "city": "KNOXVILLE",
            "state": "TN",
            "postal_code": "379234325",
            "telephone_number": "865-373-1000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CALLICOTT",
        "first_name": "WILLIAM",
        "middle_name": "CLAY",
        "name_suffix": "VI",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2020-04-02",
        "last_updated": "2026-06-25",
        "certification_date": "2026-06-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "TN",
            "license": "5317",
            "primary": false
        },
        {
            "code": "207RP1001X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Pulmonary Disease",
            "state": "TN",
            "license": "5317",
            "primary": true
        },
        {
            "code": "207RC0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Critical Care Medicine",
            "state": "TN",
            "license": "5317",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Heather Calixto-Saravia
• Andrew Call, MS
• Ann M Callahan, LCSW
• Rebecca Alene Callaway, LPC-MHSP
• Cassiopeia M Callens, FNP
• Christopher Scott Callicutt, M.D.
• Justin Callis, PT
• Molly K Callis
• John Callison Jr., MD
• Summer Calloway, PT, DPT

• Pulmonary Disease Physician in Knoxville, TN
• Providers in Knoxville, TN by specialty
• Pulmonary Disease Physician in Tennessee

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 25, 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.