
32 Years of Experience
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Shammas, Interventional Cardiologist in Davenport, IA?
Dr. Nicolas Shammas, MD is an Interventional Cardiologist, who primarily practices in Davenport, IA with 2 additional practice locations. He has been practicing for over 32 years. Dr. Shammas graduated from Govt. Dental College, Bangalore University, India and completed his residency at Univ Iowa Hosps & Clinics, Cardiovascular Diseases; Strong Mem Hsp U Rochester, Cardiovascular Diseases; Univ Iowa Hosps & Clinics, Internal Medicine. Dr. Shammas is fluent in English, Arabic, and French, and is currently seeing new patients. Dr. Shammas’s practice accepts Medicaid, Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Shammas’s office at (800) 382-0707.
Where did Dr. Shammas go to medical school and complete their residency?
Residency: Univ Iowa Hosps & Clinics, Cardiovascular Diseases; Strong Mem Hsp U Rochester, Cardiovascular Diseases; Univ Iowa Hosps & Clinics, Internal Medicine | University of Iowa Hospital & Clinics
Medical School: Govt. Dental College, Bangalore University, India
What languages does Dr. Shammas speak?
Dr. Shammas and their clinical team can communicate with patients in the following languages:
Arabic
English
French
What conditions does an Interventional Cardiologist like Dr. Shammas typically treat?
As an Interventional Cardiologist, Dr. Shammas diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Shammas. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly. Learn more about our claims-based healthcare methodology.
Also known as:
- High Blood Pressure
- Hypertension
- Primary Hypertension
- Essential Hypertension
ICD-10 Codes:
- I10: Essential (primary) hypertension
Also known as:
- Hardening of the Arteries in the Heart without Chest Pain
- Atherosclerosis
- Coronary Artery Disease
- Silent Coronary Artery Disease
- Asymptomatic Atherosclerosis
ICD-10 Codes:
- I2510: Atherosclerotic heart disease of native coronary artery without angina pectoris
Also known as:
- Atrial Fibrillation
- Afib
- A-fib
- Irregular heart rhythm
ICD-10 Codes:
- I480: Paroxysmal atrial fibrillation
Also known as:
- Varicose Veins
- Spider Veins
- Venous Insufficiency
- Chronic Venous Disease
ICD-10 Codes:
- I83813: Varicose veins of bilateral lower extremities with pain
What procedures does an Interventional Cardiologist like Dr. Shammas typically perform?
As an Interventional Cardiologist, Dr. Shammas performs a variety of medical procedures. This procedure information is derived from anonymized insurance claims and highlights the medical procedures most commonly performed by Dr. Shammas. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly. Learn more about our claims-based healthcare methodology.
Also known as:
- Foam Sclerotherapy for Varicose Veins
- Varicose vein foam injection
- Ultrasound-guided sclerotherapy
- Saphenous vein treatment
- Sclerotherapy for veins
- Foam injection for varicose veins
- Varicose vein injection
CPT Codes:
- 36465: Injection of non-compounded foam sclerosant with ultrasound compression maneuvers to guide dispersion of the injectate, inclusive of all imaging guidance and monitoring; single incompetent extremity truncal vein (eg, great saphenous vein, accessory saphenous vein)
- 36466: Injection of non-compounded foam sclerosant with ultrasound compression maneuvers to guide dispersion of the injectate, inclusive of all imaging guidance and monitoring; multiple incompetent truncal veins (eg, great saphenous vein, accessory saphenous vein), same leg
Also known as:
- Radiofrequency Vein Ablation
- Endovenous Radiofrequency Ablation
- RF Ablation for Varicose Veins
- Vein Closure Procedure
- Varicose Vein Treatment
CPT Codes:
- 36475: Endovenous ablation therapy of incompetent vein, extremity, inclusive of all imaging guidance and monitoring, percutaneous, radiofrequency; first vein treated
Also known as:
- Intravascular Ultrasound (Non-Heart Vessels)
- Intravascular Ultrasound (Additional Non-Coronary Vessel)
- IVUS (Non-Coronary)
- Vessel Ultrasound
- Internal Artery Ultrasound
- IVUS for Blood Vessels
- Non-Coronary Vessel Ultrasound
- Internal Blood Vessel Imaging
CPT Codes:
- 37252: Intravascular ultrasound (noncoronary vessel) during diagnostic evaluation and/or therapeutic intervention, including radiological supervision and interpretation; initial noncoronary vessel (List separately in addition to code for primary procedure)
- 37253: Intravascular ultrasound (noncoronary vessel) during diagnostic evaluation and/or therapeutic intervention, including radiological supervision and interpretation; each additional noncoronary vessel (List separately in addition to code for primary procedure)
Also known as:
- Leg Artery Stent Placement
- Femoral Artery Stenting
- Popliteal Artery Stenting
- Leg Artery Angioplasty
- Endovascular Revascularization
CPT Codes:
- 37226: Revascularization, endovascular, open or percutaneous, femoral, popliteal artery(s), unilateral; with transluminal stent placement(s), includes angioplasty within the same vessel, when performed
Also known as:
- Major Vein Catheter Insertion
- Central Venous Catheter Placement
- Vena Cava Catheterization
- IVC/SVC Catheter Insertion
CPT Codes:
- 36010: Introduction of catheter, superior or inferior vena cava
Does Dr. Shammas accept my insurance?
Dr. Shammas accepts most major insurance plans. Important: Please call our office at (800) 382-0707 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Shammas accept in Davenport, IA?
Dr. Shammas in Davenport, IA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Centene Corporation
CVS Health (formerly Aetna)
Elevance Health Inc. (formerly Anthem)
Federal government of the United States
Humana
Medicare
UMR Administered Payer
UnitedHealth Group
Unknown
Wellmark Blue Cross Blue Shield
View All Insurances
Where is Dr. Shammas' office located?
What is Dr. Shammas's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Shammas's National Provider Identifier (NPI) number is 1922087857.
What common questions do patients ask about Dr. Shammas?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Shammas
What is Dr. Nicolas Shammas's specialty?
Dr. Shammas is a Interventional Cardiologist near Davenport, IA.
What does an Interventional Cardiologist do?
A branch of medicine within cardiology that employs advanced imaging and diagnostic techniques to assess blood flow and pressure in the coronary arteries and heart chambers. This specialty also utilizes technical procedures and medications to address abnormalities that affect cardiovascular function.
Is this Dr. Nicolas Shammas affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Shammas is affiliated with Genesis Medical Center, Davenport, East Rusholme Street, Genesis Medical Center-Silvis, Unitypoint Health - Trinity Bettendorf, Mercyone Clinton Medical Center, Genesis Medical Center-Dewitt, Bronson Lakeview Hospital which are a Castle Connolly Top Hospitals. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals
When to see an Interventional Cardiologist?: Guides for symptoms, conditions, and treatments
Understand your symptoms and know when it’s time to see an Interventional Cardiologist. Explore insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.
Is Nicolas Shammas accepting new patients in Davenport, IA?
Yes, Dr. Nicolas Shammas is accepting new patients at this time.
Does Dr. Nicolas Shammas offer online booking?
Please contact Dr. Shammas's office at (800) 382-0707 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Nicolas Shammas?
Please contact Dr. Shammas's office at (800) 382-0707 for information regarding telehealth appointment availability or for scheduling assistance.
Other Interventional Cardiologist Near Davenport, IA

Interventional Cardiologist
Dr. Bouyella Reddy, MD is an Interventional Cardiologist, who primarily practices in Moline, IL with 2 additional practice locations.
Moline, IL
SK
Interventional Cardiologist
Dr. Srikanth Reddy Kasula, MD is an Interventional Cardiologist, who primarily practices in Davenport, IA with 2 additional practice locations.
Davenport, IA

Interventional Cardiologist
Dr. Sorakayalapeta Reddy, MD is an Interventional Cardiologist, who primarily practices in Bettendorf, IA with 2 additional practice locations. He has been practicing for over 34 years.
Bettendorf, IA