NPIMap

Individual provider Active NPI

Tuna Ustunkaya, MD,PHD

  • Cardiovascular Disease Physician
  • Chattanooga, TN
National Provider Identifier
1366901647
Registry record updated Jul 17, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Cardiovascular Disease PhysicianTaxonomy code 207RC0000X
License
73114 Issued in TN
Practice address
975 E 3Rd St
Chattanooga, TN 37403-2173
Phone
(423) 778-7000
NPI assigned
Mar 17, 2019
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 17, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Cardiovascular Disease Physician 207RC0000X 73114 TN Primary

Addresses

Primary practice location

975 E 3Rd St
Chattanooga, TN 37403-2173

Mailing address

975 E 3Rd St
Chattanooga, TN 37403-2173

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in TN
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20251003002114 TN Practitioner - Cardiovascular Disease (Cardiology) 3577069947 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Cardiovascular Disease (Cardiology)
Education
Other, 2017
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Erlanger HealthGroup PAC ID 1153780226, 504 clinicians

Practice addresses (Care Compare)

1025 Executive Dr
Suite 100
Hixson, TN 37343-7917
Phone (423) 870-2030

1614 Gunbarrel Rd
Suite 101
Chattanooga, TN 37421-3125
Phone (423) 533-7600

2600 Taft Hwy
Suite 100
Signal Mountain, TN 37377-2777
Phone (423) 778-9434

4312 Holiday Inn Express Way NW
Suite 103
Cleveland, TN 37312-1469
Phone (423) 778-9612

7380 Volkswagen Dr
Chattanooga, TN 37416-1761

975 E 3Rd St
Chattanooga, TN 37403-2173

979 E 3Rd St
Chattanooga, TN 37403-2136

Hospital & facility affiliations

  • Erlanger Medical Center Hospital, Chattanooga, TN, CCN 440104
  • Erlanger Murphy Medical Center Hospital, Murphy, NC, CCN 341328
  • Memorial Healthcare System, Inc Hospital, Chattanooga, TN, CCN 440091

Procedures performed for Medicare patients

ProcedureNumber of procedures
Pacemaker insertion or repair1-10

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
73114TNMDCardiovascular Disease Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Erlanger Health Cardiovascular Disease CurrentSince Aug 4, 2025 Accepting new patients
Erlanger Health CurrentSince Aug 4, 2025 Accepting new patients
Chattanooga Hamilton County Hospital Authority Past Accepting new patients

Locations

975 E 3rd St
Chattanooga, TN 37403
Phone (423) 266-1499

979 E 3rd St
Ste C520
Chattanooga, TN 37403
Phone (423) 778-4465

2600 Taft Hwy
Ste 100
Signal Mtn, TN 37377
Phone (423) 778-9434

Interoperability endpoints

  • Direct secure messaging: tustunkaya91605@direct.phhs.org

Organizations & group practices 12

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 4

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": "1552780800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1752710400000",
    "number": "1366901647",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "975 E 3RD ST",
            "city": "CHATTANOOGA",
            "state": "TN",
            "postal_code": "374032173"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "975 E 3RD ST",
            "city": "CHATTANOOGA",
            "state": "TN",
            "postal_code": "374032173",
            "telephone_number": "423-778-7000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "USTUNKAYA",
        "first_name": "TUNA",
        "credential": "MD,PHD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2019-03-17",
        "last_updated": "2025-07-17",
        "certification_date": "2025-07-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "TN",
            "license": "73114",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Chattanooga, TN

Sources for this page

Verify at the official NPI Registry.