EA
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Alter, Cardiologist in Fairfield, CT?
Dr. Eric Alter is a Cardiologist, who primarily practices in Fairfield, CT with 2 additional practice locations. He is board certified. Dr. Alter is fluent in English, and is currently seeing new patients. Dr. Alter’s practice accepts Kaiser Permanente, Medicare, UnitedHealthcare, Aetna, Cigna and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Alter’s office at (203) 255-4545.
What are Areas of Expertise for Dr. Alter?
Dr. Eric Alter is a highly-rated, board-certified 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. Alter empowers patients to confidently navigate their health journey, specializing in Cardiomyopathy, Congestive Heart Failure, Coronary Artery Disease, or comprehensive wellness support. Serving the Fairfield/CT community, Dr. Alter is dedicated to enhancing lives through expert, patient-centered care.
What languages does Dr. Alter speak?
Dr. Alter and their clinical team can communicate with patients in the following languages:
English
What conditions does Dr. Alter treat?
As a Cardiologist, Dr. Alter 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. Alter. 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:
- High Blood Pressure
- Hypertension
- Primary Hypertension
- Essential Hypertension
ICD-10 Codes:
- I10: Essential (primary) hypertension
Also known as:
- Heart Palpitations
- Atrial Fibrillation
- Premature Ventricular Contractions
- Arrhythmia
- Skipped Heartbeat
- Fluttering Heart
- Pounding Heart
- Afib
- A-fib
- Irregular heart rhythm
- PVCs
- Ventricular Ectopic Beats
- Skipped Heartbeat (Ventricular)
ICD-10 Codes:
- R002: Palpitations
- I4891: Unspecified atrial fibrillation
- I480: Paroxysmal atrial fibrillation
- I493: Ventricular premature depolarization
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:
- 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:
- Mixed High Cholesterol and Triglycerides
- Cholesterol
- Triglycerides
- Mixed hyperlipidemia
- Combined hyperlipidemia
- High lipids
ICD-10 Codes:
- E782: Mixed hyperlipidemia
Also known as:
- Chronic Diastolic Heart Failure
- Chronic Systolic Heart Failure
- Heart Failure
- Long-term Diastolic Heart Failure
- Chronic HFpEF
- Ongoing Filling Heart Failure
- Long-term Systolic Heart Failure
- Chronic HFrEF
- Ongoing Pumping Heart Failure
- Congestive Heart Failure
- CHF
- Cardiac Insufficiency
ICD-10 Codes:
- I5032: Chronic diastolic (congestive) heart failure
- I5022: Chronic systolic (congestive) heart failure
- I509: Heart failure, unspecified
Also known as:
- Chest Pain
- Chest discomfort
- Thoracic pain
- Upper body pain
ICD-10 Codes:
- R079: Chest pain, unspecified
Also known as:
- Shortness of Breath
- Breathing Problems
- Difficulty breathing
- Breathlessness
- Dyspnea
ICD-10 Codes:
- R0602: Shortness of breath
- R0609: Other forms of dyspnea
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:
- Fainting
- Syncope
- Passing out
- Collapse
ICD-10 Codes:
- R55: Syncope and collapse
Also known as:
- Chest Pain
- Chest discomfort
- Thoracic pain
- Pectoral pain
ICD-10 Codes:
- R0789: Other chest pain
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:
- Heart Attack (NSTEMI)
- Heart Attack
- Myocardial Infarction
- Non-STEMI
- Less Severe Heart Attack
ICD-10 Codes:
- I214: Non-ST elevation (NSTEMI) myocardial infarction
Also known as:
- Heart Murmur
- Congenital Heart Defects
- Heart Valve Disease
- Cardiac murmur
- Abnormal heart sound
- Heart sound abnormality
ICD-10 Codes:
- R011: Cardiac murmur, unspecified
Which procedures does Dr. Alter perform as a Cardiologist?
As a Cardiologist, procedures performed by a Dr. Eric Alter may include:
- Absent Pulmonary Valve Repair
- Anomalous Coronary Artery Angiography
- Anticoagulation Management
- Aortic Stenosis Repair
- Aortic Valve Repair / Replacement
- Aortopulmonary Window Repair
- Arterial Doppler
- Balloon Septostomy
For detailed information, please contact Dr. Alter's office.
Does Dr. Alter accept my insurance?
Dr. Alter accepts most major insurance plans. Important: Please call our office at (203) 255-4545 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Alter accept in Fairfield, CT?
Dr. Alter in Fairfield, 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. Alter's office located?
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. Alter's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Alter's National Provider Identifier (NPI) number is 1225370901.
What common questions do patients ask about Dr. Alter?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Alter
What is Dr. Eric Alter's specialty?
Dr. Alter is a Cardiologist near Fairfield, CT. An internist specializing in cardiovascular diseases focuses on the diagnosis and management of complex heart and blood vessel conditions, including heart attacks and life-threatening arrhythmias. Contact Dr. Alter to book an appointment today.
Is this Dr. Eric Alter affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Alter is affiliated with St. Vincent's Medical Center - Bridgeport which is a Castle Connolly Top Hospital. 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 Cardiologist?
Explore 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 Eric Alter accepting new patients in Fairfield, CT?
Yes, Dr. Eric Alter is accepting new patients at this time.
Does Dr. Eric Alter offer online booking?
Please contact Dr. Alter's office at (203) 255-4545 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Eric Alter?
Please contact Dr. Alter's office at (203) 255-4545 for information regarding telehealth appointment availability or for scheduling assistance.
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