John Calhoon, MD
NPI 1568579548ActiveIndividual· Thoracic Surgery (Cardiothoracic Vascular Surgery)· San Antonio, TX
Thoracic Surgery (Cardiothoracic Vascular Surgery) (MD) in San Antonio, Texas, trained at Baylor College of Medicine (class of 1981). Mostly services rather than prescriptions: Medicare paid $15,741 for 24 patients in 2024, with only 18 Part D claims. Atricure, Inc. reported $16.85 in payments in 2024, mostly food and beverage.
Overview
| NPI | 1568579548 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 24, 2006 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Thoracic Surgery (Cardiothoracic Vascular Surgery) Primary | 208G00000X | G3935 | 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 - Thoracic Surgery (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 24 |
|---|---|
| Services billed | 53 across 27 procedure codes |
| Paid by Medicare | $15,741 |
Part D prescriptions in 2024
| Prescriptions (claims) | 18 · 18 30-day fills |
|---|---|
| Total drug cost | $1,606 |
| Generic share | 83% of claims |
Education and affiliations
| Medical school | Baylor College of Medicine |
|---|---|
| Graduation year | 1981 |
| Medicare specialty | Thoracic Surgery |
| Secondary specialties | General Surgery |
Medical group
- University of Texas Health Science Center at San AntonioSan Antonio, TX · 1,297 clinicians
Hospital affiliations
- University Health SystemSan Antonio, TX
- Ut Health San Antonio Multispecialty & Research HoSan Antonio, TX
Industry payments (Open Payments)
- 2024$16.85 · 1 payment from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Atricure, Inc. | $16.85 | 1 |
What the 2024 payments were for
- Food and Beverage$16.85 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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