William Michael Davis, M.D.
Thoracic Surgery (Cardiothoracic Vascular Surgery) (M.D.) in San Antonio, Texas, trained at Baylor College of Medicine (class of 1984). Mostly services rather than prescriptions: Medicare paid $32,369 for 53 patients in 2024, with only 19 Part D claims. Medtronic, Inc. was the largest of 4 companies reporting payments in 2025, $1,408 in all, mostly food and beverage. A record with the same name and state is on the OIG exclusion list; it carries no NPI, so check it before acting.
Overview
| NPI | 1437195187 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 21, 2006 |
| Last updated in NPPES | Feb 9, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Thoracic Surgery (Cardiothoracic Vascular Surgery) Primary | 208G00000X | G8071 | TX |
| Specialist | 174400000X | G8071 | TX |
Exclusion screening
Possible match: verify before acting. The OIG list has a record with the same name in Texas, but that record carries no NPI, so it may be a different person or business.
| Matched by | Name on OIG list | Exclusion type | Excluded since | Location |
|---|---|---|---|---|
| Name + state | William George Davis · Nurse/Nurses Aide | 1128a2 | Jul 20, 2022 | Livingston, TX |
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | Possible (name) | See above |
| 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 - Thoracic Surgery (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 53 |
|---|---|
| Services billed | 189 across 25 procedure codes |
| Paid by Medicare | $32,369 |
Part D prescriptions in 2024
| Prescriptions (claims) | 19 · 19 30-day fills |
|---|---|
| Patients | 17 |
| Total drug cost | $96.72 |
| Generic share | 100% of claims |
Education and affiliations
| Medical school | Baylor College of Medicine |
|---|---|
| Graduation year | 1984 |
| Medicare specialty | Thoracic Surgery |
Medical group
- Cardiology Clinic of San Antonio, PLLCSan Antonio, TX · 126 clinicians
Hospital affiliations
- Methodist HospitalSan Antonio, TX
- Methodist Hospital Stone OakSan Antonio, TX
Industry payments (Open Payments)
- 2025$1,408 · 33 payments from 4 companies
- 2024$1,966 · 34 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Medtronic, Inc. | $603.66 | 8 |
| Atricure, Inc. | $481.57 | 19 |
| Abbott Laboratories | $180.06 | 5 |
| Abiomed | $143.13 | 1 |
What the 2025 payments were for
- Food and Beverage$1,408 · 33 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 52 cardiothoracic surgeons in San Antonio · All cardiothoracic surgeons in Texas