WILLIAM C. GANNAWAY M. D. – NPI #1780776286
Internal Medicine

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

WILLIAM GANNAWAY is a physician located in HUNTSVILLE, AL. NPPES has assigned the NPI number 1780776286 to WILLIAM GANNAWAY on September 29, 2006. It is a Type-1 NPI, indicating this NPI number is associated with an individual. The primary taxonomy selected by this provider is 207R00000X from the Health Care Provider Taxonomy code set, which is classified as Internal Medicine.

The NPI profile was last updated on Jun 25, 2025. Use the NPI data found here to bill health insurance companies, identify providers enrolled in Medicare and Medicaid services or other HIPAA compliant transactions. See the complete NPI profile for WILLIAM GANNAWAY below.

NPI Profile for
WILLIAM C. GANNAWAY

NPI Number
1780776286
Enumeration Date

(more than 19 years ago)
Entity Type
Type-1  Individual (Male)
Legal Name
WILLIAM C. GANNAWAY
Credentials
M. D.
Primary location
4100 GOSS RD SW
FOX ARMY HEALTH CLINIC
HUNTSVILLE, AL 35809-0001
Phone: (256) 955-8888 Fax: (256) 876-3333
Mailing address
Same as primary location
Sole Proprietor
No
Updated
Certification Date
Jun 25, 2025

Note: NPPES allows providers to attest to the accuracy of their NPI data. When a provider request any change to the NPI record, they will be able to attest to their changed NPI data, resulting in an updated certification date.

Identifiers

Identifiers for WILLIAM GANNAWAY

Identifiers are used to associate other provider identifiers such as Medicaid or other insurers (ie:, Blue Cross, Blue Shield, Aetna, Kaiser-Permanente, etc.), with their NPI number. These identifiers can be used in matching an NPI number to an insurer's records. However, not all providers have such numbers and not all providers choose to include them in their NPI information.

DescriptionIssuerStateIdentifier
otherAETNAAL5281679
otherBLUE CROSS BLUE SHIELDAL000012072
medicaidAL000012072
Taxonomy Code(s)

A taxonomy code is a code that describes the health care service provider's type, classification, and the area of specialization. The primary specialty for this provider is indicated as (Primary) below.

Taxonomy Classification / Specialization State License
207R00000X
- Internal Medicine (Primary)
AL 00024964

The taxonomy codes are selected by the provider at the time of NPI registration. Selection of a taxonomy code does not replace any credentialing or validation process that the provider requesting the code should complete.