Grey Canyon Family Medicine PA
NPI 1043391121 · Family Medicine Physician · San Antonio, TX
Grey Canyon Family Medicine PA is a Family Medicine Physician organization in San Antonio, TX (NPI 1043391121).
Provider details
- NPI number
- 1043391121
- Entity type
- Organization
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Brian Macgillivray, Owner(210) 615-9990
- License
- M3304 (TX)
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
- 2006-10-17
- Last updated
- 2020-08-22
Frequently asked questions
- What is Grey Canyon Family Medicine PA's NPI number?
- Grey Canyon Family Medicine PA's National Provider Identifier (NPI) is 1043391121, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Grey Canyon Family Medicine PA?
- Grey Canyon Family Medicine PA is classified in the NPPES registry as Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Grey Canyon Family Medicine PA located?
- Grey Canyon Family Medicine PA's practice location on file with NPPES is 20658 Stone Oak Pkwy, San Antonio, TX 78258.
- What is Grey Canyon Family Medicine PA's phone number?
- The practice phone number listed in the NPPES registry for Grey Canyon Family Medicine PA is (210) 615-9990.
- Who is the authorized official for Grey Canyon Family Medicine PA?
- The authorized official listed on Grey Canyon Family Medicine PA's NPPES record is Brian Macgillivray, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Grey Canyon Family Medicine PA's NPI active?
- Yes — Grey Canyon Family Medicine PA's NPI (1043391121) is active in the NPPES registry as of the last update on 2020-08-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.