Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mr. Aaron Hart Gill, ATC
Athletic Trainer in Belmont, CA · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1639380066
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Registry record
Entity type Individual (Type 1)
Name Mr. Aaron Hart Gill
Credential ATC
Sex Male
Practice address 1500 Ralston Ave, Dept. of Athletics, Belmont, CA, 94002
Phone (650) 508-3437
Fax (650) 508-3691
Enumeration date May 25, 2007
Last updated in NPPES Jul 8, 2007
Taxonomy & licenses
2255A2300X Athletic Trainer Respiratory, Developmental, Rehabilitative and Restorative Service Providers Primary
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
What is the NPI number for Aaron Gill?
The National Provider Identifier (NPI) for Aaron Gill is 1639380066, a Type 1 (individual) record in the CMS NPPES registry.
Where does Aaron Gill practice?
The practice location on file with NPPES is in Belmont, CA. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.