Individual provider Active NPI

William Christopher Gannaway, M. D.

  • Internal Medicine Physician
  • Huntsville, AL
National Provider Identifier
1780776286
Registry record updated Jun 25, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
00024964 Issued in AL
Practice address
4100 Goss Rd SW
Fox Army Health Clinic
Huntsville, AL 35809-0001
Phone
(256) 955-8888
Fax
(256) 876-3333
NPI assigned
Sep 29, 2006
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
Internal Medicine Physician 207R00000X 00024964 AL Primary

Addresses

Primary practice location

4100 Goss Rd SW
Fox Army Health Clinic
Huntsville, AL 35809-0001

Mailing address

4100 Goss Rd SW
Fox Army Health Clinic
Huntsville, AL 35809-0001
Phone (256) 955-8888

Other identifiers 3

IdentifierTypeStateIssuer
000012072OtherALBLUE CROSS BLUE SHIELD
5281679OtherALAETNA
000012072MedicaidAL

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
00024964ALMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Internal Medicine Specialists P C Internal Medicine Current Accepting new patients

Locations

1215 7th St SE
Ste 240
Decatur, AL 35601
Phone (205) 355-5315

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 and National Provider Directory roles.

NPI Registry JSON

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

{
    "created_epoch": "1159488000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1750809600000",
    "number": "1780776286",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4100 GOSS RD SW",
            "address_2": "FOX ARMY HEALTH CLINIC",
            "city": "HUNTSVILLE",
            "state": "AL",
            "postal_code": "358090001",
            "telephone_number": "256-955-8888",
            "fax_number": "256-876-3333"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4100 GOSS RD SW",
            "address_2": "FOX ARMY HEALTH CLINIC",
            "city": "HUNTSVILLE",
            "state": "AL",
            "postal_code": "358090001",
            "telephone_number": "256-955-8888",
            "fax_number": "256-876-3333"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GANNAWAY",
        "first_name": "WILLIAM",
        "middle_name": "CHRISTOPHER",
        "name_prefix": "Dr.",
        "credential": "M. D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-09-29",
        "last_updated": "2025-06-25",
        "certification_date": "2025-06-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "AL",
            "license": "00024964",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BLUE CROSS BLUE SHIELD",
            "identifier": "000012072",
            "state": "AL"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "AETNA",
            "identifier": "5281679",
            "state": "AL"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "000012072",
            "state": "AL"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Huntsville, AL

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 25, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.