Doctor profile · Federal record
Dr. Gregory Karnaze, MD
Vascular & Interventional Radiology Physician · Austin, TX
- NPI 1245233519
- MIPS 83.1 / 100 · 2023
- 21 yrs on file
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
12554 Riata Vista Cir
Austin, TX 787276431
(512) 795-5100
fax (512) 795-5122
Credentials & registration
- NPI registered
- May 2005 — 21 yrs on file
- Profile last updated
- January 12, 2015
- Specialty taxonomy
- 2085R0204X — NUCC code
- State license (1)
- Texas #G4320
- Medicaid (2)
- TX #134424406 · TX #134424404
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1245233519. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
2,901
Distinct HCPCS
10
Medicare allowed
$49,105
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
Q9967 |
Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml | 975 | 12 | $0 | |
71045 |
X-ray of chest, 1 view | 740 | 621 | $9 | |
71046 |
X-ray of chest, 2 views | 222 | 216 | $19 | |
71046 |
X-ray of chest, 2 views | 92 | 92 | $10 | |
74177 |
Ct scan of abdomen and pelvis with contrast | 77 | 75 | $86 | |
74018 |
X-ray of abdomen, 1 view | 76 | 72 | $9 | |
71275 |
Ct scan of blood vessels of chest with contrast | 51 | 51 | $83 | |
74176 |
Ct scan of abdomen and pelvis without contrast | 43 | 43 | $81 | |
93971 |
Ultrasound study of one arm or leg veins with compression and maneuvers | 42 | 42 | $21 | |
73502 |
X-ray of hip, 2-3 views | 41 | 38 | $11 |
In context: peer comparison
Among 4 peers in Austin Vascular & Interventional Radiology Physician, average services per provider: 241. This provider delivers 12× the peer median.Open Payments
Industry payments received
All-time total
$138
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Penumbra, INC. | 1 | $137.56 |
By nature of payment
Frequently asked questions
What is Dr. Gregory Karnaze's medical specialty?
Dr. Gregory Karnaze practices Vascular & Interventional Radiology Physician in Austin, TX.
Where does Dr. Gregory Karnaze practice?
Dr. Gregory Karnaze practices at 12554 Riata Vista Cir, Austin, TX 787276431. Office phone: 5127955100.
What is Dr. Gregory Karnaze's NPI?
Dr. Gregory Karnaze's National Provider Identifier (NPI) is 1245233519, issued by NPPES.
What procedures does Dr. Gregory Karnaze commonly perform?
Top Medicare-reported procedures in 2023: Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml (HCPCS Q9967); X-ray of chest, 1 view (HCPCS 71045); X-ray of chest, 2 views (HCPCS 71046). Source: CMS Medicare Physician & Other Practitioners file.