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Edit this profileAt a glance
- 12554 Riata Vista Cir, Austin, TX 78727
About Dr. Karnaze
Gregory C. Karnaze, MD is a healthcare provider in Austin, TX specializing in vascular & interventional radiology. Medicare claims data shows Gregory provided 4,076 services to 2,435 patients. The services billed most often include low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml, x-ray of chest, 1 view, and x-ray of chest, 2 views. This provider record is associated with NPI 1245233519.
Factual summary compiled by Guide.md from public records; not written by this provider.
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (512) 795-5100
- Email not available
Practice Locations
12554 RIATA VISTA CIR
Austin, TX 78727
Conditions Commonly Evaluated or Treated
Within Interventional Radiology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
- Deep vein thrombosis
- Enlarged prostate
- Peripheral artery disease
- Spinal compression fractures
- Uterine fibroids
- Varicose veins
Bone & Joint
- Benign Bone Tumor
- Heel pain
Brain & Spine
- Brain aneurysm
- Chronic Brain Bleed
- Stroke
Cancer
Digestive
- Acute gallbladder inflammation
- Ascites
- Benign Liver Tumor
- Bleeding Hemorrhoids
- Blocked Bile Duct
- Portal hypertension
Emergency vascular
Endocrine
Joint & bone pain
Kidney
Men's health
Pain
- Facet joint pain
- Sacroiliac joint pain
- Sciatica
- Severe Cancer Pain in Belly
Respiratory
Vascular
- Aortic aneurysm
- Blocked Chest Vein
- Blood Clot in Lung
- Brain Vascular Malformation
- Carotid Artery Blockage
- Chronic venous insufficiency
- Leg Ulcers
- Lymph Fluid Leak in Chest
- May-Thurner Syndrome
- Narrow kidney artery
- Nutcracker Syndrome
- Spider veins
- Torn Aorta
- Visceral Artery Aneurysm
Women's health
Procedures & services
Most searched procedures
- Angiogram
- Atherectomy
- Kyphoplasty
- Prostate artery embolization
- Uterine fibroid embolization
- Y-90 radioembolization
Bone & Joint
- Osteoid Osteoma Ablation
Brain & Spine
- Brain Aneurysm Coiling
- Image-Guided Lumbar Puncture
- Middle Meningeal Artery Embolization
Cancer
- Chemo port removal
- Kidney Tumor Ablation
- Microwave Ablation for Tumors
- Radiofrequency ablation
- TACE Chemoembolization
- Tumor Cryoablation
Diagnostic
Digestive
- Bile duct stent placement
- Feeding tube placement
- Gallbladder Drainage Tube Placement
- Hemorrhoid Embolization
- TIPS Procedure
Drainage
Emergency vascular
- Embolization for Internal Bleeding
Endocrine
- Thyroid Nodule Radiofrequency Ablation
Joint & bone pain
- Knee Embolization for Arthritis
- Vertebroplasty
Kidney
- Dialysis Fistula Repair
- Kidney Drainage Tube Placement
Kidney & Urinary
- Minimally Invasive Dialysis Fistula Creation
Men's health
- Varicocele Embolization
Pain
- Celiac Plexus Nerve Block
- Epidural steroid injection
- Radiofrequency Nerve Ablation
- Sacroiliac joint injection
Vascular
- Balloon Angioplasty for Legs
- Blood Clot Removal Surgery
- Carotid Artery Stent
- Catheter Clot Dissolving Treatment
- IVC Filter Placement
- IVC Filter Removal
- Laser Vein Treatment For Leg Swelling
- Minimally Invasive Aneurysm Repair
- Sclerotherapy
- Thoracic Duct Embolization
- Vascular Malformation Sclerotherapy
- Vein Blood Flow Study
- Vein Stent Placement
Vascular access
Women's health
Procedures Most Often Billed to Medicare
4,076 services · 2,435 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| X-ray of chest, 1 view | Imaging | 71045 |
944 | More often than most peers in Vascular & Interventional… |
| X-ray of chest, 2 views | Imaging | 71046 |
318 | More than most peers in Vascular & Interventional… |
| X-ray of chest, 2 views | Imaging | 71046 |
197 | More than most peers in Vascular & Interventional… |
| X-ray of abdomen, 1 view | Imaging | 74018 |
137 | More than most peers in Vascular & Interventional… |
| Ct scan of abdomen and pelvis with contrast | Imaging | 74177 |
109 | More often than most peers in Vascular & Interventional… |
| Ct scan of blood vessels of chest with contrast | Imaging | 71275 |
68 | As often as other peers in Vascular & Interventional… |
| Ct scan of abdomen and pelvis without contrast | Imaging | 74176 |
66 | As often as other peers in Vascular & Interventional… |
| X-ray of hip, 2-3 views | Imaging | 73502 |
61 | More often than most peers in Vascular & Interventional… |
| Ct scan of chest without contrast | Imaging | 71250 |
61 | As often as other peers in Vascular & Interventional… |
| X-ray of knee, 1-2 views | Imaging | 73560 |
59 | More often than most peers in Vascular & Interventional… |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other interventional radiologists at this location 4
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 3
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 12 related providers in 2 groups
Other interventional radiologists in Austin 4
Same specialty, same city.
Also performs X-ray of chest, 1 view 8
Providers in TX who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Karnaze?
Dr. Karnaze is an interventional radiologist in Austin, TX. That is the designation recorded for this NPI in the federal registry, where it is listed as “Vascular & Interventional Radiology”.
NPI registry
What is Dr. Karnaze's address?
Dr. Karnaze is listed at 12554 Riata Vista Cir, Austin, TX 78727. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Karnaze?
The number on file is (512) 795-5100. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Karnaze?
Dr. Karnaze's National Provider Identifier is 1245233519. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
How much experience does Dr. Karnaze have?
Dr. Karnaze has 21+ years experience. Registered with an NPI since 2005. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
What procedures does Dr. Karnaze perform?
According to Medicare billing data, Dr. Karnaze performs imaging including x-ray of chest, 1 view and x-ray of chest, 2 views; provides treatments such as ultrasound study of one arm or leg veins with compression and maneuvers. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Karnaze's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Karnaze. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.