William Gaffney, PA
NPI 1821105958 · Surgical Physician Assistant · Fort Sam Houston, TX
Enrolled with Medicare as Order and Referring Only - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Gaffney, PA is a Surgical Physician Assistant provider in Fort Sam Houston, TX (NPI 1821105958).
Provider details
- NPI number
- 1821105958
- Entity type
- Individual
- Primary specialty
- Surgical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
- Surgical Physician Assistant363AS0400X
Physician Assistants & Advanced Practice Nursing Providers
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
83% 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
- 2006-08-24
- Last updated
- 2020-09-24
- Certified
- 2020-09-24
Frequently asked questions
- What is William Gaffney's NPI number?
- William Gaffney's National Provider Identifier (NPI) is 1821105958, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Gaffney's specialty?
- William Gaffney is listed in the NPPES registry with a primary specialty of Surgical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is William Gaffney located?
- William Gaffney's practice location on file with NPPES is 3551 Roger Brooke Dr, Fort Sam Houston, TX 78234-4504.
- What is William Gaffney's phone number?
- The practice phone number listed in the NPPES registry for William Gaffney is (210) 916-1242.
- Does William Gaffney accept Medicare?
- William Gaffney is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Gaffney's NPI active?
- Yes — William Gaffney's NPI (1821105958) is active in the NPPES registry as of the last update on 2020-09-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.