John Winaford Hall IV, M.D.

Primary specialty

Diagnostic Radiology PhysicianTaxonomy code 2085R0202X

License

67265 Issued in TN

Practice address

1400 Dowell Springs Blvd Ste 200
Knoxville, TN 37909-2457

Phone

(865) 584-0291

Fax

(865) 584-4426

NPI assigned

Mar 28, 2017

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in PA, TN2 enrollments

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 2

Specialty

Diagnostic Radiology

Education

West Virginia University School of Medicine, 2017

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Kamilia F KozlowskiGroup PAC ID 2860429099, 11 clinicians

Regional Health Services IncGroup PAC ID 4880593722, 572 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Upmc Hamot Hospital, Erie, PA, CCN 390063
• Upmc Northwest Hospital, Seneca, PA, CCN 390091
• Meadville Medical Center Hospital, Meadville, PA, CCN 390113

Merit-based Incentive Payment System (MIPS)

Final score

65 of 100Reported as group

Quality

30

Improvement activities

40

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: jhall109434@upmc.direct-ci.com

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.

• Kamilia F Kozlowski

  • Multi-Specialty Clinic/Center
  • Knoxville, TN
  • NPI 1790708030

  Diagnostic Radiology

  Medicare reassignment Care Compare group NPD
• Regional Health Services Inc

  • Family Medicine Physician
  • Erie, PA
  • NPI 1174520654
  Medicare reassignment Care Compare group NPD
• University of Pittsburgh Physicians

  • Gastroenterology Physician
  • Pittsburgh, PA
  • NPI 1619935004
  Medicare reassignment NPD
• University of Pittsburgh Physicians

  • Diagnostic Radiology Physician
  • Pittsburgh, PA
  • NPI 1285692699
  NPD

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

• Meadville Medical Center

  • General Acute Care Hospital
  • Meadville, PA
  • NPI 1942276423
  Care Compare affiliation
• Upmc Hamot

  • General Acute Care Hospital
  • Erie, PA
  • NPI 1487647590
  Care Compare affiliation
• Upmc Hamot

  • General Acute Care Hospital
  • Erie, PA
  • NPI 1538207394
  Care Compare affiliation
• Upmc Northwest

  • Psychiatric Hospital Unit
  • Seneca, PA
  • NPI 1013090745
  Care Compare affiliation
• Upmc Northwest

  • General Acute Care Hospital
  • Seneca, PA
  • NPI 1619069440
  Care Compare affiliation
• Upmc Northwest

  • Ambulatory Surgical Clinic/Center
  • Seneca, PA
  • NPI 1922174747

  Hospital

  Care Compare affiliation

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

{
    "created_epoch": "1490659200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1784764800000",
    "number": "1477085645",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3600 FORBES AVE",
            "address_2": "FORBES TOWER - PLAZA LEVEL SUITE 140",
            "city": "PITTSBURGH",
            "state": "PA",
            "postal_code": "152133410",
            "telephone_number": "412-359-4971"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1400 DOWELL SPRINGS BLVD STE 200",
            "city": "KNOXVILLE",
            "state": "TN",
            "postal_code": "379092457",
            "telephone_number": "865-584-0291",
            "fax_number": "865-584-4426"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HALL",
        "first_name": "JOHN",
        "middle_name": "WINAFORD",
        "name_prefix": "Dr.",
        "name_suffix": "IV",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2017-03-28",
        "last_updated": "2026-07-23",
        "certification_date": "2026-07-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "PA",
            "license": "MD476790",
            "primary": false
        },
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "TN",
            "license": "67265",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "jhall109434@upmc.direct-ci.com",
            "affiliation": "N",
            "address_1": "600 Grant St",
            "address_2": "Floor 58",
            "city": "Pittsburgh",
            "state": "PA",
            "country_code": "US",
            "postal_code": "152192702",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Don Jennings Hall, M.D.
• Dustin Hall, PT
• Hannah Fruechtl Hall, FNP-BC
• Jason Jennings Hall, M.D.
• Jennifer Lynne Hall, FNP
• Julie Hall, BCBA, LBA
• Justin Hall, LPC
• Kathy Christine Hall, LPN
• Kaylie Rebecca Hall, R.N.
• Kristi Sharon Hall, B.A.

• Diagnostic Radiology Physician in Knoxville, TN
• Providers in Knoxville, TN by specialty
• Diagnostic Radiology Physician in Tennessee

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 23, 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.