Ross Neal Thormahlen, MD
NPI 1326213158ActiveIndividual· Anesthesiology· San Antonio, TX
Anesthesiology (MD) in San Antonio, Texas, trained at University of Texas Southwestern Medical School at Dallas (class of 2004). Medicare paid $58,122 for services to 266 patients in 2024. W. L. Gore & Associates, Inc. reported $17.23 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1326213158 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 23, 2008 |
| Last updated in NPPES | Apr 11, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Anesthesiology Primary | 207L00000X | N7500 | TX |
| Anesthesiology | 207L00000X | 2007-01955 | NC |
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 | 266 |
|---|---|
| Services billed | 514 across 43 procedure codes |
| Paid by Medicare | $58,122 |
Education and affiliations
| Medical school | University of Texas Southwestern Medical School at Dallas |
|---|---|
| Graduation year | 2004 |
| Medicare specialty | Anesthesiology |
Medical group
- Allen Anesthesia AssociatesAllen, TX · 96 clinicians
Hospital affiliation
- Methodist HospitalSan Antonio, TX
Industry payments (Open Payments)
- 2025$17.23 · 1 payment from 1 company
- 2024$47.48 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| W. L. Gore & Associates, Inc. | $17.23 | 1 |
What the 2025 payments were for
- Food and Beverage$17.23 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 499 anesthesiologists in San Antonio · All anesthesiologists in Texas