Individual provider Active NPI

Sierra Armbrust, DO

  • Family Medicine Physician
  • Chattanooga, TN
National Provider Identifier
1235879461
Registry record updated Sep 3, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Medicine PhysicianTaxonomy code 207Q00000X
License
6087 Issued in TN
Practice address
7380 Volkswagen Dr Ste 110
Chattanooga, TN 37416-1761
Phone
(423) 778-8950
Fax
(423) 778-8951
NPI assigned
Mar 29, 2022
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 3, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Family Medicine Physician 207Q00000X 6087 TN Primary

Addresses

Primary practice location

7380 Volkswagen Dr Ste 110
Chattanooga, TN 37416-1761

Mailing address

7380 Volkswagen Dr Ste 110
Chattanooga, TN 37416-1761
Phone (423) 778-8950

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
I20250811002210 TN Practitioner - Family Practice 3678946944 Reassigns benefits to 1 organization

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
13970GAMDPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist

Practice roles

OrganizationSpecialtyStatusNew patients
Erlanger Health CurrentSince Aug 25, 2025 Accepting new patients
Erlanger Health Family Medicine CurrentSince Aug 25, 2025 Accepting new patients

Locations

7380 Volkswagen Dr
Ste 110
Chattanooga, TN 37416
Phone (423) 778-8950

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 and National Provider Directory roles.

NPI Registry JSON

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

{
    "created_epoch": "1648512000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1756857600000",
    "number": "1235879461",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "7380 VOLKSWAGEN DR STE 110",
            "city": "CHATTANOOGA",
            "state": "TN",
            "postal_code": "374161761",
            "telephone_number": "423-778-8950",
            "fax_number": "423-778-8951"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "7380 VOLKSWAGEN DR STE 110",
            "city": "CHATTANOOGA",
            "state": "TN",
            "postal_code": "374161761",
            "telephone_number": "423-778-8950",
            "fax_number": "423-778-8951"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ARMBRUST",
        "first_name": "SIERRA",
        "name_prefix": "Dr.",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2022-03-29",
        "last_updated": "2025-09-03",
        "certification_date": "2025-09-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "TN",
            "license": "6087",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Chattanooga, TN

Sources for this page

Verify at the official NPI Registry.