William Gannaway, M. D.
NPI 1780776286 · Internal Medicine Physician · Huntsville, AL
William Gannaway, M. D. is a Internal Medicine Physician provider in Huntsville, AL (NPI 1780776286).
Provider details
- NPI number
- 1780776286
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M. D.
- Sex
- Male
- Sole proprietor
- No
- License
- 00024964 (AL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-09-29
- Last updated
- 2025-06-25
- Certified
- 2025-06-25
Frequently asked questions
- What is William Gannaway's NPI number?
- William Gannaway's National Provider Identifier (NPI) is 1780776286, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Gannaway's specialty?
- William Gannaway is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Gannaway located?
- William Gannaway's practice location on file with NPPES is 4100 Goss Rd Sw, Huntsville, AL 35809-0001.
- What is William Gannaway's phone number?
- The practice phone number listed in the NPPES registry for William Gannaway is (256) 955-8888.
- Is William Gannaway's NPI active?
- Yes — William Gannaway's NPI (1780776286) is active in the NPPES registry as of the last update on 2025-06-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.