Individual provider Active NPI

Allison Michelle Johnsen, M.D.

  • Diagnostic Radiology Physician
  • Knoxville, TN
National Provider Identifier
1730475252
Registry record updated Mar 30, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Diagnostic Radiology PhysicianTaxonomy code 2085R0202X
License
MD52135 Issued in TN
Practice address
4820 Old Kingston Pike
Knoxville, TN 37919-6424
Phone
(865) 558-9862
Fax
(865) 584-3478
NPI assigned
Jun 22, 2011
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Mar 30, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Diagnostic Radiology Physician 2085R0202X MD52135 TN Primary
Diagnostic Radiology Physician 2085R0202X LL33755 SC

Addresses

Primary practice location

4820 Old Kingston Pike
Knoxville, TN 37919-6424

Mailing address

4820 Old Kingston Pike
Knoxville, TN 37919-6424
Phone (865) 558-9862

Other identifiers 1

IdentifierTypeStateIssuer
Q022970MedicaidTN

Other names 1

  • Allison Michelle Babelay Former name

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
I20160707000742 TN Practitioner - Diagnostic Radiology 3173815495 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Diagnostic Radiology
Education
Other, 2007
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Abercrombie Radiological Consultants IncGroup PAC ID 3072411834, 51 clinicians
Summit Medical Group, PLLCGroup PAC ID 2860396330, 636 clinicians

Practice addresses (Care Compare)

1112 E Weisgarber Rd
Suite 102
Knoxville, TN 37909-2647
Phone 86555898623215

7211 Wellington Dr
Suite 102
Knoxville, TN 37919-5968
Phone (865) 558-9822

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
95.75 of 100Reported as group
Quality
95
Improvement activities
40

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
LL33755SCMDDiagnostic Radiology Physician
MD52135TNMDDiagnostic Radiology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Summit Medical Group, PLLC CurrentSince Aug 1, 2017 Accepting new patients
Abercrombie Radiological Consultants Inc Diagnostic Radiology CurrentSince Jul 24, 2017 Accepting new patients
Summit Medical Group, PLLC CurrentSince Aug 1, 2017 Accepting new patients
Knoxville Radiological Group Associated Diagnostic Radiology PastSince Jun 30, 2001 Accepting new patients

Locations

1225 E Weisgarber Rd
Ste 200
Knoxville, TN 37909
Phone (865) 938-3627

4820 Old Kingston Pike
Knoxville, TN 37919
Phone (865) 205-2770

1112 E Weisgarber Rd
Ste 201
Knoxville, TN 37909

1112 E Weisgarber Rd
Knoxville, TN 37909
Phone (865) 588-1397

7211 Wellington Dr
Ste 101
Knoxville, TN 37919
Phone (865) 588-8005

7211 Wellington Dr
Ste 102
Knoxville, TN 37919
Phone (865) 558-9822

103 Midlake Dr
Lowr
Knoxville, TN 37918
Phone (865) 470-2696

1112 E Weisgarber Rd
Ste 102
Knoxville, TN 37909
Phone (865) 588-1397

Organizations & group practices 4

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.

Hospital & facility affiliations 5

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": "1308700800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1774828800000",
    "number": "1730475252",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4820 OLD KINGSTON PIKE",
            "city": "KNOXVILLE",
            "state": "TN",
            "postal_code": "379196424",
            "telephone_number": "865-558-9862",
            "fax_number": "865-558-9862"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4820 OLD KINGSTON PIKE",
            "city": "KNOXVILLE",
            "state": "TN",
            "postal_code": "379196424",
            "telephone_number": "865-558-9862",
            "fax_number": "865-584-3478"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "JOHNSEN",
        "first_name": "ALLISON",
        "middle_name": "MICHELLE",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2011-06-22",
        "last_updated": "2026-03-30",
        "certification_date": "2026-03-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "TN",
            "license": "MD52135",
            "primary": true
        },
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "SC",
            "license": "LL33755",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "Q022970",
            "state": "TN"
        }
    ],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "ALLISON",
            "last_name": "BABELAY",
            "middle_name": "MICHELLE",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Knoxville, TN

Sources for this page

Verify at the official NPI Registry.