Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Aaron Christopher Hager

Ophthalmology Physician in San Antonio, TX · enumerated 2023 · authorized official Sonia Olvera, Clinic Administrator.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1972378941

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Registry record

Entity type Organization (Type 2)

Legal business name Aaron Christopher Hager

Practice address 1779 Ne Loop 410, San Antonio, TX, 78217

Phone (210) 220-2370

Fax (210) 220-2499

Enumeration date Nov 20, 2023

Last updated in NPPES Feb 25, 2025

Taxonomy & classification

207W00000X Ophthalmology Physician Allopathic & Osteopathic Physicians Primary

Authorized official

Name Sonia Olvera

Title Clinic Administrator

Phone (210) 254-3794

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.

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Frequently asked questions

How current is this record?

Data comes from the CMS NPPES public dissemination file; this record was last updated in NPPES on 2025-02-25. Verify at npiregistry.cms.hhs.gov.

Where is Aaron Christopher Hager located?

The practice location on file with NPPES is in San Antonio, TX.

Providers at this address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-02-25.