Doctor profile · Federal record
Dr. Nicholas Xenopoulos, MD
Interventional Cardiology Physician (CMS: Interventional Cardiology) · Cardiovascular Disease Physician · Cardiovascular Disease Physician · Knoxville, TN
- NPI 1568548006
- Accepts Medicare
- MIPS 79.4 / 100 · 2023
- 41 yrs in practice
- Licensed in 3 states
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
9330 Park West Blvd, Suite 202
Knoxville, TN 379234308
(865) 691-4850
fax (865) 539-5073
Credentials & registration
- NPI registered
- October 2006 — 20 yrs on file
- Profile last updated
- April 9, 2021
- Year of graduation
- 1985 — 41 yrs since
- Specialty taxonomy
- 207RI0011X — NUCC code
- State licenses (3)
- Tennessee #39685 · Kentucky #32179 · Indiana #01046596A
- Medicaid (2)
- IN #200106000 · KY #64321797
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1568548006. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
5,416
Distinct HCPCS
10
Medicare allowed
$334,631
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
93010 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 1,065 | 922 | $8 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 582 | 445 | $84 | |
93306 |
Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | 461 | 444 | $64 | |
85610 |
Blood test, clotting time | 383 | 39 | $4 | |
93793 |
Anticoagulant management of patient taking warfarin | 374 | 41 | $11 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 278 | 226 | $119 | |
93325 |
Ultrasound of heart with color-depicted blood flow, rate and valve function | 245 | 169 | $3 | |
99152 |
Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes | 220 | 205 | $12 | |
93308 |
Ultrasound of heart, follow-up | 173 | 130 | $23 | |
78452 |
Nuclear medicine studies of heart muscle at rest and with stress and spect | 162 | 160 | $73 |
In context: peer comparison
Among 14 peers in Knoxville Interventional Cardiology Physician, average services per provider: 109. This provider delivers 50× the peer median.Open Payments
Industry payments received
All-time total
$42
Transactions
2
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbott Laboratories | 1 | $24.45 | |
| Actelion Pharmaceuticals US, INC. | 1 | $17.17 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
2,469
Patients
913
Total drug cost
$451,468
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Losartan Potassium | Generic | 292 | 103 | $3,971 |
| Eliquis (Apixaban) | Brand | 242 | 82 | $320,782 |
| Metoprolol Succinate | Generic | 242 | 85 | $4,539 |
| Rosuvastatin Calcium | Generic | 231 | 90 | $4,236 |
| Atorvastatin Calcium | Generic | 197 | 68 | $2,288 |
| Metoprolol Tartrate | Generic | 196 | 66 | $1,382 |
| Clopidogrel (Clopidogrel Bisulfate) | Brand | 194 | 74 | $3,326 |
| Amlodipine Besylate | Generic | 173 | 71 | $1,064 |
| Carvedilol | Generic | 149 | 51 | $1,482 |
| Xarelto (Rivaroxaban) | Brand | 107 | 25 | $103,033 |
Hospital affiliations
Frequently asked questions
What is Dr. Nicholas Xenopoulos's medical specialty?
Dr. Nicholas Xenopoulos practices Interventional Cardiology Physician in Knoxville, TN.
Where does Dr. Nicholas Xenopoulos practice?
Dr. Nicholas Xenopoulos practices at 9330 Park West Blvd, Knoxville, TN 379234308. Office phone: 8656914850.
What is Dr. Nicholas Xenopoulos's NPI?
Dr. Nicholas Xenopoulos's National Provider Identifier (NPI) is 1568548006, issued by NPPES.
Does Dr. Nicholas Xenopoulos accept Medicare assignment?
Yes. Dr. Nicholas Xenopoulos accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nicholas Xenopoulos commonly perform?
Top Medicare-reported procedures in 2023: Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Established patient office or other outpatient visit (HCPCS 99213); Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (HCPCS 93306). Source: CMS Medicare Physician & Other Practitioners file.