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Edit this profileAt a glance
- 1236 E Rusholme St, Suite 300, Davenport, IA 52803
About Dr. Shammas
Nicolas W. Shammas, M.D. is a healthcare provider in Davenport, IA specializing in interventional cardiology. Medicare claims data shows Nicolas provided 3,892 services to 2,991 patients. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, routine electrocardiogram (ecg) using at least 12 leads with interpretation and report, and routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only. This provider record is associated with NPI 1922087857.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
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
- (563) 324-2992
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
1236 E RUSHOLME ST SUITE 300
Davenport, IA 52803
Conditions Commonly Evaluated or Treated
Within Interventional Cardiology 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
Artery blockages
- Aortic aneurysm
- Carotid Artery Blockage
- Completely Blocked Heart Artery
- Microvascular angina
- Re-Blocked Heart Stent
- Severely Calcified Heart Arteries
- Torn Heart Artery
Blood clots
Blood pressure
Chest symptoms
Circulation & veins
- Chronic venous insufficiency
- Non-Healing Foot Sores From Poor Blood Flow
- Peripheral artery disease
Coronary disease
Heart failure
Heart muscle
Heart muscle conditions
Heart rhythm
Heart rhythm & blood flow
Heart valves
Structural & congenital
- Coarctation of the Aorta
- Hole Between Bottom Heart Chambers
Structural heart
Valve disease
- Failing Artificial Heart Valve
- Mitral stenosis
- Narrowed Pulmonary Valve
Vascular disease
- Leg Cramps When Walking
- Narrow kidney artery
- Stomach Pain After Eating From Arteries
- Subclavian Steal Syndrome
Vein conditions
Procedures & services
Artery procedures
- Carotid Artery Stent
- Atherectomy
- Drug-Coated Balloon Treatment
- Minimally Invasive Aneurysm Repair
- Opening Chronic 100% Blocked Heart Arteries
- Shockwave Plaque Busting In Heart Arteries
Clot procedures
- Catheter Clot Dissolving Treatment
- Catheter Blood Clot Removal From Legs
- IVC Filter Placement
- IVC Filter Removal
Most searched procedures
- AFib ablation
- Angioplasty and stenting
- Cardiac catheterization
- Pacemaker implantation
- Watchman procedure
Blood pressure procedures
Circulation & limbs
- Laser Vein Treatment For Leg Swelling
- Leg Artery Stent
Circulatory support
Coronary stenting
- Bypass Graft Stenting
Diagnostic catheterization
Diagnostic tests
- Coronary Artery Spasm Test
- Coronary Microvascular Resistance Test
- Heart Muscle Biopsy
Diagnostics & monitoring
- Fractional flow reserve measurement
- Implantable Loop Recorder (Cardiac Monitor Implant)
- Intravascular ultrasound
Emergency heart procedures
- Clot Suction From Heart Arteries
Heart devices
Heart muscle
- Alcohol Ablation For Thickened Heart Muscle
Heart support
- Percutaneous ventricular-assist device placement
Imaging & diagnostics
Stenting
- Arm Artery Stent
- Mesenteric Artery Stenting
- Renal artery stenting
Structural heart repair
- Aortic Coarctation Stent
- Ventricular Septal Defect Repair
Structural repair
Valve procedures
- Balloon Heart Valve Opening
- Leaky Artificial Heart Valve Repair
- Transcatheter aortic valve replacement
- Transcatheter mitral valve repair
- Transcatheter Pulmonary Valve Replacement
- TriClip Valve Repair
Valve replacement
- Transcatheter Tricuspid Valve Replacement
- Valve-In-Valve Heart Replacement
Vein procedures
- Iliac Vein Stenting
- Microfoam Vein Injection
- Radiofrequency Vein Closure
- Varicose Vein Medical Glue
Procedures Most Often Billed to Medicare
3,892 services · 2,991 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Injection of chemical agent into single incompetent vein of leg using ultrasound guidance | Procedure | 36465 |
38 | As often as other peers in Interventional Cardiology |
| Nuclear medicine studies of blood flow in heart muscle at rest and with stress | Imaging | 78492 |
136 | More often than most peers in Interventional Cardiology |
| Ct scan of blood vessels of chest with contrast | Imaging | 71275 |
120 | More than most peers in Interventional Cardiology |
| Ct scan of abdominal aorta and both leg arteries with contrast | Imaging | 75635 |
44 | Too few peers to compare |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
408 | More often than most peers in Interventional Cardiology |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | Treatment | 93010 |
320 | As often as other peers in Interventional Cardiology |
| Ultrasound study of arm or leg veins with compression and maneuvers | Treatment | 93970 |
279 | More than most peers in Interventional Cardiology |
| Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | Treatment | 93306 |
279 | More often than most peers in Interventional Cardiology |
| Anticoagulant management of patient taking warfarin | Treatment | 93793 |
168 | As often as other peers in Interventional Cardiology |
| Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | Treatment | 93306 |
148 | More often than most peers in Interventional Cardiology |
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 cardiologists 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 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 17 related providers in 3 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1987 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What does Nicolas W. Shammas specialize in?
Nicolas W. Shammas is an interventional cardiologist in Davenport, IA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Interventional Cardiology”.
NPI registry
Where is Nicolas W. Shammas located?
Nicolas W. Shammas is listed at 1236 E Rusholme St Suite 300, Davenport, IA 52803. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Nicolas W. Shammas's phone number?
The number on file is (563) 324-2992. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Nicolas W. Shammas?
Nicolas W. Shammas's National Provider Identifier is 1922087857. 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
Where did Nicolas W. Shammas train?
Nicolas W. Shammas attended Other, graduating in 1987. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Nicolas W. Shammas have?
Nicolas W. Shammas has 39 years experience. Calculated from a graduation year of 1987, reported in the CMS National Downloadable File.
CMS public data
What does Nicolas W. Shammas do most often?
According to Medicare billing data, Nicolas W. Shammas performs procedures including injection of chemical agent into single incompetent vein of leg using ultrasound guidance; reads or performs imaging such as nuclear medicine studies of blood flow in heart muscle at rest and with stress and ct scan of blood vessels of chest with contrast; provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report and routine electrocardiogram using at least 12 leads with interpretation and report only, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Nicolas W. Shammas's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Nicolas W. Shammas. If this is you, claiming it is free.
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