John S. Gardner, MD
NPI 1184883852ActiveIndividual· Internal Medicine, Interventional Cardiology· Germantown, TN
Internal Medicine, Interventional Cardiology (MD) in Germantown, Tennessee, trained at University of Tennessee, Hsc, College of Medicine (class of 2006). Their prescriptions cost Medicare Part D more than their services did: $683,415 for 4,033 claims, against $299,434 paid for services in 2024. Edwards Lifesciences Corporation was the largest of 20 companies reporting payments in 2025, $1,964 in all, mostly food and beverage.
Overview
| NPI | 1184883852 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 6, 2008 |
| Last updated in NPPES | Mar 31, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Interventional Cardiology Primary | 207RI0011X | 51733 | TN |
| Internal Medicine, Cardiovascular Disease | 207RC0000X | 51733 | TN |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Interventional Cardiology (MS); Practitioner - Interventional Cardiology (TN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,391 |
|---|---|
| Services billed | 4,860 across 99 procedure codes |
| Paid by Medicare | $299,434 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,033 · 9,594 30-day fills |
|---|---|
| Patients | 613 |
| Total drug cost | $683,415 |
| Generic share | 82% of claims |
Education and affiliations
| Medical school | University of Tennessee, Hsc, College of Medicine |
|---|---|
| Graduation year | 2006 |
| Medicare specialty | Interventional Cardiology |
Medical groups
- Stern Cardiovascular Center, PACollierville, TN · 127 clinicians
- Stern Cardiovascular Foundation, IncSouthaven, MS · 109 clinicians
Hospital affiliations
- Baptist Memorial HospitalMemphis, TN
- Baptist Memorial Hospital DesotoSouthaven, MS
- Baptist Memorial Hospital TiptonCovington, TN
- Baptist Memorial Hospital Union CountyNew Albany, MS
- Methodist Hospitals of MemphisMemphis, TN
Industry payments (Open Payments)
- 2025$1,964 · 76 payments from 20 companies
- 2024$2,149 · 88 payments from 13 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Edwards Lifesciences Corporation | $704.84 | 5 |
| Medtronic, Inc. | $269.99 | 16 |
| Bayer Healthcare Pharmaceuticals Inc. | $158.25 | 10 |
| Amgen Inc. | $146.98 | 10 |
| Bridgebio Pharma, Inc. | $105.70 | 5 |
What the 2025 payments were for
- Food and Beverage$1,684 · 75 payments
- Travel and Lodging$280.34 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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