Individual provider Active NPI

John Dalton Madigan, MD

  • Anesthesiology Physician
  • Knoxville, TN
National Provider Identifier
1225617723
Registry record updated May 18, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Anesthesiology PhysicianTaxonomy code 207L00000X
License
66601 Issued in TN
Practice address
1924 Alcoa Hwy # U-109
Knoxville, TN 37920-1511
Phone
(865) 305-9220
Fax
(865) 305-9216
NPI assigned
Apr 3, 2021
Last updated
May 18, 2025By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on May 18, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Anesthesiology Physician 207L00000X 66601 TN Primary

Addresses

Primary practice location

1924 Alcoa Hwy # U-109
Knoxville, TN 37920-1511

Mailing address

1924 Alcoa Hwy # U-109
Knoxville, TN 37920-1511
Phone (865) 305-9220

Medicare participation

Medicare enrollment files
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

Enrollment IDStateProvider typePAC IDDetails
I20250717000006 TN Practitioner - Anesthesiology 7810390085 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Anesthesiology
Education
Other, 2021
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices

Practice addresses (Care Compare)

1924 Alcoa Hwy
Knoxville, TN 37920-1511
Phone (865) 305-9220

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
66601TNMDAnesthesiology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
University Anesthesiologists, PLLC CurrentSince Jun 1, 2025 Accepting new patients
University Anesthesiologists, PLLC Anesthesiology CurrentSince Jun 1, 2025 Accepting new patients

Locations

1924 Alcoa Hwy
#U109
Knoxville, TN 37920
Phone (865) 305-9220

Organizations & group practices 2

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.

Hospital & facility affiliations 1

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

NPI Registry JSON

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

{
    "created_epoch": "1617408000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1747526400000",
    "number": "1225617723",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1924 ALCOA HWY # U-109",
            "city": "KNOXVILLE",
            "state": "TN",
            "postal_code": "379201511",
            "telephone_number": "865-305-9220",
            "fax_number": "865-305-9216"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1924 ALCOA HWY # U-109",
            "city": "KNOXVILLE",
            "state": "TN",
            "postal_code": "379201511",
            "telephone_number": "865-305-9220",
            "fax_number": "865-305-9216"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MADIGAN",
        "first_name": "JOHN",
        "middle_name": "DALTON",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2021-04-03",
        "last_updated": "2025-05-18",
        "certification_date": "2025-05-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "TN",
            "license": "66601",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Knoxville, TN

Sources for this page

Verify at the official NPI Registry.