Jason Au, M.D.
NPI 1649411638 · Diagnostic Radiology Physician · San Antonio, TX
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jason Au, M.D. is a Diagnostic Radiology Physician provider in San Antonio, TX (NPI 1649411638).
Provider details
- NPI number
- 1649411638
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 27702 (OK)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 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
- 2009-03-20
- Last updated
- 2020-10-06
- Certified
- 2020-10-06
Frequently asked questions
- What is Jason Au's NPI number?
- Jason Au's National Provider Identifier (NPI) is 1649411638, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jason Au's specialty?
- Jason Au is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Jason Au located?
- Jason Au's practice location on file with NPPES is 7400 Merton Minter St, San Antonio, TX 78229-4404.
- What is Jason Au's phone number?
- The practice phone number listed in the NPPES registry for Jason Au is (318) 655-4219.
- Does Jason Au accept Medicare?
- Jason Au is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jason Au's NPI active?
- Yes — Jason Au's NPI (1649411638) is active in the NPPES registry as of the last update on 2020-10-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.