Ann Katherine John, MD
NPI 1154532307ActiveIndividual· Anesthesiology· Austin, TX
Anesthesiology (MD) in Austin, Texas, trained at University of Texas Medical Branch at Galveston (class of 2004). Medicare paid $46,803 for services to 193 patients in 2024. Biosense Webster, Inc. was the largest of 2 companies reporting payments in 2025, $530.87 in all, mostly food and beverage.
Overview
| NPI | 1154532307 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 26, 2007 |
| Last updated in NPPES | Mar 4, 2024 |
| Certified by provider | Mar 4, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Anesthesiology Primary | 207L00000X | M9382 | TX |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Anesthesiology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 193 |
|---|---|
| Services billed | 274 across 32 procedure codes |
| Paid by Medicare | $46,803 |
Education and affiliations
| Medical school | University of Texas Medical Branch at Galveston |
|---|---|
| Graduation year | 2004 |
| Medicare specialty | Anesthesiology |
Medical groups
- Austin Anesthesiology Group PLLCRound Rock, TX · 428 clinicians
- Independent Physicians Network PLLCConroe, TX · 228 clinicians
Hospital affiliations
- Christus Santa Rosa Hospital-San MarcosSan Marcos, TX
- St David's Medical CenterAustin, TX
Industry payments (Open Payments)
- 2025$530.87 · 20 payments from 2 companies
- 2024$91.96 · 3 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Biosense Webster, Inc. | $436.69 | 18 |
| Boston Scientific Corporation | $94.18 | 2 |
What the 2025 payments were for
- Food and Beverage$530.87 · 20 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other anesthesiologists in Austin
- 1275744435
- 1730828435
- 1013981174
- 1023077880
- 1053392431
- 1053392464
- 1073555298
- 1073908141
- 1073959912
- 1083673651
- 1083809594
- 1093057903
All 264 anesthesiologists in Austin · All anesthesiologists in Texas