Individual provider Active NPI

David L Armstrong, M.D.

  • Otolaryngology Physician
  • Chattanooga, TN
National Provider Identifier
1538280474
Registry record updated Jun 25, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Otolaryngology PhysicianTaxonomy code 207Y00000X
License
MD0000041994 Issued in TN
Practice address
901 Riverfront Parkway
Suite 300
Chattanooga, TN 37402-2193
Phone
(423) 698-8981
Fax
(423) 697-7109
NPI assigned
Apr 2, 2007
Last updated
Jun 25, 2025By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 25, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Otolaryngology Physician 207Y00000X MD0000041994 TN Primary

Addresses

Primary practice location

901 Riverfront Parkway
Suite 300
Chattanooga, TN 37402-2193

Mailing address

901 Riverfront Parkway
Suite 300
Chattanooga, TN 37402-2193
Phone (423) 698-8981

Other practice location 1

7480 Ziegler Rd
Chattanooga, TN 37421-4943
Phone (423) 698-8981

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
I20070817000115 TN Practitioner - OtolaryngologyPractitioner - Ophthalmology 8022100213 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Otolaryngology
Education
University of Tennessee, HSC, College of Medicine, 2002
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Diagnostic Radiology Consultants PAGroup PAC ID 9234123548, 19 clinicians

Practice addresses (Care Compare)

901 Riverfront Pkwy
Suite 300
Chattanooga, TN 37402-2198
Phone (423) 648-2395

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
75 of 100Reported as group

Procedures performed for Medicare patients

ProcedureNumber of procedures
Upper gastrointestinal (GI) endoscopy for acid reflux1-10
Melanoma (skin cancer) excision1-10
Removal or shaving of skin growth1-10
Skin biopsy1-10

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
MD0000041994TNMDOtolaryngology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Diagnostic Radiology Consultants PA CurrentSince Dec 1, 2021 Accepting new patients

Locations

1604 Gunbarrel Rd
Chattanooga, TN 37421
Phone (423) 648-2395

2525 Desales Ave
Chattanooga, TN 37404
Phone (423) 495-2620

620 E 11th St
Chattanooga, TN 37403
Phone (423) 481-9760

7480 Ziegler Rd
Ste 130
Chattanooga, TN 37421
Phone (423) 648-2395

901 Riverfront Pkwy
Ste 300
Chattanooga, TN 37402
Phone (423) 698-8981

910 Blackford St
Chattanooga, TN 37403
Phone (423) 778-4044

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

924 Spring Creek Rd
East Ridge, TN 37412
Phone (423) 629-7688

Interoperability endpoints

  • Direct secure messaging: darmstrong17026@direct.erlanger.org

Organizations & group practices 1

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 3

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": "1175472000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1750809600000",
    "number": "1538280474",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "901 RIVERFRONT PARKWAY",
            "address_2": "SUITE 300",
            "city": "CHATTANOOGA",
            "state": "TN",
            "postal_code": "374022193",
            "telephone_number": "423-698-8981",
            "fax_number": "423-697-7109"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "901 RIVERFRONT PARKWAY",
            "address_2": "SUITE 300",
            "city": "CHATTANOOGA",
            "state": "TN",
            "postal_code": "374022193",
            "telephone_number": "423-698-8981",
            "fax_number": "423-697-7109"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "7480 Ziegler Rd",
            "address_purpose": "LOCATION",
            "city": "Chattanooga",
            "state": "TN",
            "postal_code": "374214943",
            "country_code": "US",
            "telephone_number": "423-698-8981",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "ARMSTRONG",
        "first_name": "DAVID",
        "middle_name": "L",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-04-02",
        "last_updated": "2025-06-25",
        "certification_date": "2025-06-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Y00000X",
            "taxonomy_group": "",
            "desc": "Otolaryngology",
            "state": "TN",
            "license": "MD0000041994",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Chattanooga, TN

Sources for this page

Verify at the official NPI Registry.