John T. Calhoun, MD
NPI 1275943037ActiveIndividual· Thoracic Surgery (Cardiothoracic Vascular Surgery)· Jackson, MS
Thoracic Surgery (Cardiothoracic Vascular Surgery) (MD) in Jackson, Mississippi, trained at Univ of Central Florida, College of Medicine (class of 2014). 120 Medicare patients in 2024, $100,355 paid; all of their 82 Part D prescriptions were generic. Abiomed was the largest of 9 companies reporting payments in 2025, $1,835 in all, mostly food and beverage.
Overview
| NPI | 1275943037 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 2, 2014 |
| Last updated in NPPES | Aug 3, 2021 |
| Certified by provider | Aug 3, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Thoracic Surgery (Cardiothoracic Vascular Surgery) Primary | 208G00000X | 26975 | MS |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | CT |
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 (MS) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 120 |
|---|---|
| Services billed | 281 across 41 procedure codes |
| Paid by Medicare | $100,355 |
Part D prescriptions in 2024
| Prescriptions (claims) | 82 · 86 30-day fills |
|---|---|
| Patients | 41 |
| Total drug cost | $585.37 |
| Generic share | 100% of claims |
Education and affiliations
| Medical school | Univ of Central Florida, College of Medicine |
|---|---|
| Graduation year | 2014 |
| Medicare specialty | Thoracic Surgery |
Medical group
- St. Dominic Medical Associates LLCMadison, MS · 132 clinicians
Hospital affiliation
- St Dominic-Jackson Memorial HospitalJackson, MS
Other facilities
- Sta Home Health Agency of Jackson, Inc. DBA Accentcare Home Health of JacksonHome health agency · Clinton, MS
Industry payments (Open Payments)
- 2025$1,835 · 53 payments from 9 companies
- 2024$1,935 · 67 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abiomed | $963.41 | 26 |
| Atricure, Inc. | $458.85 | 11 |
| Idorsia Pharmaceuticals US Inc | $108.16 | 1 |
| Davol Inc. | $72.88 | 2 |
| Zimmer Biomet Holdings, Inc. | $59.56 | 3 |
What the 2025 payments were for
- Food and Beverage$1,835 · 53 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 23 cardiothoracic surgeons in Jackson · All cardiothoracic surgeons in Mississippi