Nicholas Peter Xenopoulos, MD
NPI 1568548006ActiveIndividual· Internal Medicine, Interventional Cardiology· Knoxville, TN
Internal Medicine, Interventional Cardiology (MD) with Covenant Medical Group Inc and 2 other groups, practicing in Knoxville, Tennessee. Their prescriptions cost Medicare Part D more than their services did: $804,963 for 3,971 claims, against $246,818 paid for services in 2024. Boston Scientific Corporation reported $98.32 in payments in 2025, mostly food and beverage. Lists Blount Memorial Hospital and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1568548006 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Oct 27, 2006 |
| Last updated in NPPES | Apr 9, 2021 |
| Certified by provider | Apr 9, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Interventional Cardiology Primary | 207RI0011X | 39685 | TN |
| Internal Medicine, Cardiovascular Disease | 207RC0000X | 32179 | KY |
| Internal Medicine, Cardiovascular Disease | 207RC0000X | 01046596A | IN |
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 - Interventional Cardiology (TN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 2,235 |
|---|---|
| Services billed | 5,551 across 82 procedure codes |
| Paid by Medicare | $246,818 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,971 · 10,046 30-day fills |
|---|---|
| Patients | 843 |
| Total drug cost | $804,963 |
| Generic share | 81% of claims |
Education and affiliations
| Graduation year | 1985 |
|---|---|
| Medicare specialty | Interventional Cardiology |
| Secondary specialties | Cardiovascular Disease (Cardiology) |
Medical groups
- Covenant Medical Group IncKnoxville, TN · 365 clinicians
- Parkwest Medical CenterKnoxville, TN · 57 clinicians
- Leconte Medical CenterSevierville, TN · 3 clinicians
Hospital affiliations
- Blount Memorial HospitalMaryville, TN
- Cumberland Medical CenterCrossville, TN
- Fort Loudoun Medical CenterLenoir City, TN
- Parkwest Medical CenterKnoxville, TN
- Starr Regional Medical Center AthensAthens, TN
Industry payments (Open Payments)
- 2025$98.32 · 1 payment from 1 company
- 2024$41.62 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Boston Scientific Corporation | $98.32 | 1 |
What the 2025 payments were for
- Food and Beverage$98.32 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 38 interventional cardiologists in Knoxville · All interventional cardiologists in Tennessee