EP
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Portnay, Interventional Cardiologist in Stamford, CT?
Dr. Edward Portnay, MD is an Interventional Cardiologist, who primarily practices in Stamford, CT with 2 additional practice locations. He is board certified by the American Board of Internal Medicine. Dr. Portnay completed his residency at Yale New Haven Hosp, Cardiovascular Diseases. Dr. Portnay is fluent in English, and is currently seeing new patients. Dr. Portnay’s practice accepts Medicare, UnitedHealthcare, Cigna and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Portnay’s office at (203) 353-1133.
What are Areas of Expertise for Dr. Portnay?
Dr. Edward Portnay, MD is a highly-rated, board-certified Interventional Cardiologist known for expertly diagnosing, treating, and managing a wide array of related conditions or procedures. Utilizing the latest medical advancements and evidence-based practices, Dr. Portnay empowers patients to confidently navigate their health journey, specializing in Heart Attack, or comprehensive wellness support. Serving the Stamford/CT community, Dr. Portnay is dedicated to enhancing lives through expert, patient-centered care.
Where did Dr. Portnay go to medical school and complete their residency?
Residency: Yale New Haven Hosp, Cardiovascular Diseases
Medical School: Tufts Univ Sch of Med, Boston Ma
Is Dr. Portnay board certified in Interventional Cardiologist?
Yes, Dr. Edward Portnay, MD is board certified by the American Board of Internal Medicine
What languages does Dr. Portnay speak?
Dr. Portnay and their clinical team can communicate with patients in the following languages:
English
What conditions does Dr. Portnay treat?
As a Interventional Cardiologist, Dr. Portnay 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. Portnay. 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.
Also known as:
- Follow-up After Treatment (Non-Cancer)
- Post-Treatment Check-up
- Aftercare Visit
- Recovery Monitoring Exam
ICD-10 Codes:
- Z09: Encounter for follow-up examination after completed treatment for conditions other than malignant neoplasm
Also known as:
- Hardening of the Arteries in the Heart without Chest Pain
- Coronary Artery Disease with Angina
- Atherosclerosis
- Coronary Artery Disease
- Silent Coronary Artery Disease
- Asymptomatic Atherosclerosis
- Atherosclerotic Heart Disease with Angina
- Chest Pain from Heart Disease
- Angina Pectoris
ICD-10 Codes:
- I2510: Atherosclerotic heart disease of native coronary artery without angina pectoris
- I25119: Atherosclerotic heart disease of native coronary artery with unspecified angina pectoris
Also known as:
- High Blood Pressure
- Hypertension
- Primary Hypertension
- Essential Hypertension
ICD-10 Codes:
- I10: Essential (primary) hypertension
Also known as:
- Atrial Fibrillation
- Heart Palpitations
- Arrhythmia
- Afib
- A-fib
- Irregular heart rhythm
- Skipped Heartbeat
- Fluttering Heart
- Pounding Heart
ICD-10 Codes:
- I4891: Unspecified atrial fibrillation
- I480: Paroxysmal atrial fibrillation
- R002: Palpitations
Also known as:
- High Cholesterol
- Cholesterol
- Triglycerides
- Hyperlipidemia
- High lipids
- Dyslipidemia
ICD-10 Codes:
- E785: Hyperlipidemia, unspecified
Also known as:
- Shortness of Breath
- Breathing Problems
- Difficulty breathing
- Breathlessness
- Dyspnea
ICD-10 Codes:
- R0602: Shortness of breath
- R0600: Dyspnea, unspecified
Also known as:
- Heart Failure
- Systolic Heart Failure
- Congestive Heart Failure
- CHF
- Cardiac Insufficiency
- Heart Failure with Reduced Ejection Fraction
- HFrEF
- Pumping Heart Failure
ICD-10 Codes:
- I509: Heart failure, unspecified
- I5020: Unspecified systolic (congestive) heart failure
Also known as:
- Chest Pain
- Chest discomfort
- Thoracic pain
- Upper body pain
ICD-10 Codes:
- R079: Chest pain, unspecified
Also known as:
- Other Pre-Procedure Examination
- Various pre-op checks
- Miscellaneous pre-surgery exams
- Other pre-treatment assessments
ICD-10 Codes:
- Z01818: Encounter for other preprocedural examination
Also known as:
- Other Heart and Lung Symptoms
- Heart Disease
- Lung Disease
- Cardiopulmonary symptoms
- Unusual heart and breathing signs
- Circulatory-respiratory issues
ICD-10 Codes:
- R0989: Other specified symptoms and signs involving the circulatory and respiratory systems
Also known as:
- Narrowed Aortic Valve
- Heart Valve Disease
- Aortic Valve Stenosis
- Tight Aortic Valve
ICD-10 Codes:
- I350: Nonrheumatic aortic (valve) stenosis
Also known as:
- Pre-Procedure Heart Examination
- Pre-Surgery Cardiac Checkup
- Heart Health Assessment (Before Procedure)
- Cardiovascular Clearance Exam
ICD-10 Codes:
- Z01810: Encounter for preprocedural cardiovascular examination
Also known as:
- Abnormal EKG
- Heart Health Tests
- Irregular Electrocardiogram
- Unusual Heart Rhythm Test
- ECG Abnormalities
ICD-10 Codes:
- R9431: Abnormal electrocardiogram [ECG] [EKG]
Also known as:
- Having a Prosthetic Heart Valve
- Heart Valve Disease
- Artificial heart valve
- Mechanical heart valve
- Bioprosthetic valve
ICD-10 Codes:
- Z952: Presence of prosthetic heart valve
Also known as:
- Mixed High Cholesterol and Triglycerides
- Cholesterol
- Triglycerides
- Mixed hyperlipidemia
- Combined hyperlipidemia
- High lipids
ICD-10 Codes:
- E782: Mixed hyperlipidemia
Which procedures does Dr. Portnay perform as a Interventional Cardiologist?
As a Interventional Cardiologist, procedures performed by an Dr. Edward Portnay may include:
- Balloon Angioplasty / Stent
- Cardiac Catheterization
- Carotid Endarterectomy
- Heart Valve Repair / Valvuloplasty
- Pacemaker Implant
For detailed information, please contact Dr. Portnay's office.
Does Dr. Portnay accept my insurance?
Dr. Portnay accepts most major insurance plans. Important: Please call our office at (203) 353-1133 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Portnay accept in Stamford, CT?
Dr. Portnay in Stamford, CT accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
All Other Third Party
Centene
CVS Health (formerly Aetna)
Elevance Health Inc. (formerly Anthem)
EmblemHealth
Express Scripts
Medicare
OptumRx
State of Connecticut
UnitedHealthcare
View All Insurances
Where is Dr. Portnay's office located?
Dr. Edward Portnay's Primary Practice
1177 Summer St Fl 5
Stamford, CT 06905
(203) 353-1133
Recognitions
Castle Connolly Doctor’s Choice Awards
Doctor’s Choice - 2025
Among the most nominated for the Castle Connolly Top Doctor recognition in 2025
What is Dr. Portnay's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Portnay's National Provider Identifier (NPI) number is 1093810590.
What common questions do patients ask about Dr. Portnay?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Portnay
What is Dr. Edward Portnay's specialty?
Dr. Portnay is a Interventional Cardiologist near Stamford, CT. 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. Contact Dr. Portnay to book an appointment today.
Is this Dr. Edward Portnay affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Portnay is affiliated with Stamford Hospital, St. Vincent's Medical Center - Bridgeport 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
Where can I learn more about Interventional Cardiologist?
Explore Interventional Cardiologist with 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 Edward Portnay accepting new patients in Stamford, CT?
Yes, Dr. Edward Portnay is accepting new patients at this time.
Does Dr. Edward Portnay offer online booking?
Please contact Dr. Portnay's office at (203) 353-1133 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Edward Portnay?
Please contact Dr. Portnay's office at (203) 353-1133 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Edward Portnay have?
Dr. Edward Portnay is certified by the American Board of Internal Medicine.
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