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Dr. Laura Onderko, MD

Portland, ME

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Onderko, Cardiologist in Portland, ME?

    Dr. Laura Onderko, MD is a Cardiologist, who primarily practices in Portland, ME with 2 additional practice locations. She is board certified. Dr. Onderko is fluent in English, and is currently seeing new patients. Dr. Onderko’s practice accepts Medicaid, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Onderko’s office at (207) 662-0111.

    What languages does Dr. Onderko speak?

    Dr. Onderko and their clinical team can communicate with patients in the following languages:

    • English

    What conditions does Dr. Onderko treat?

    As a Cardiologist, Dr. Onderko 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. Onderko. 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:

    • Atrial Fibrillation
    • Heart Palpitations
    • Premature Ventricular Contractions
    • Fast Heartbeat
    • Arrhythmia
    • Afib
    • A-fib
    • Irregular heart rhythm
    • Skipped Heartbeat
    • Fluttering Heart
    • Pounding Heart
    • Persistent atrial fibrillation
    • PVCs
    • Ventricular Ectopic Beats
    • Skipped Heartbeat (Ventricular)
    • SVT
    • Supraventricular Tachycardia
    • Rapid Heart Rate

    ICD-10 Codes:

    • I480: Paroxysmal atrial fibrillation
    • I4891: Unspecified atrial fibrillation
    • R002: Palpitations
    • I4819: Other persistent atrial fibrillation
    • I493: Ventricular premature depolarization
    • I471: Supraventricular tachycardia

    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:

    • Rheumatic Mitral and Aortic Valve Disease
    • Rheumatic Disease of Multiple Heart Valves
    • Heart Valve Disease
    • Streptococcal Infection
    • Multiple Rheumatic Heart Valve Disease
    • Rheumatic Fever Affecting Heart Valves
    • Rheumatic Polyvalvular Disease
    • Rheumatic Fever Affecting All Heart Valves

    ICD-10 Codes:

    • I080: Rheumatic disorders of both mitral and aortic valves
    • I083: Combined rheumatic disorders of mitral, aortic and tricuspid valves

    Also known as:

    • High Blood Pressure
    • Hypertension
    • Primary Hypertension
    • Essential Hypertension

    ICD-10 Codes:

    • I10: Essential (primary) hypertension

    Also known as:

    • Chest Pain
    • Chest discomfort
    • Thoracic pain
    • Upper body pain

    ICD-10 Codes:

    • R079: Chest pain, unspecified

    Also known as:

    • Narrowed Aortic Valve
    • Leaky Mitral Valve
    • Heart Valve Disease
    • Aortic Valve Stenosis
    • Tight Aortic Valve
    • Mitral Valve Insufficiency
    • Mitral Regurgitation

    ICD-10 Codes:

    • I350: Nonrheumatic aortic (valve) stenosis
    • I340: Nonrheumatic mitral (valve) insufficiency

    Also known as:

    • Enlarged Heart
    • Heart Disease
    • Cardiomegaly
    • Big heart
    • Heart enlargement

    ICD-10 Codes:

    • I517: Cardiomegaly

    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:

    • Shortness of Breath
    • Breathing Problems
    • Difficulty breathing
    • Breathlessness
    • Dyspnea

    ICD-10 Codes:

    • R0602: Shortness of breath

    Also known as:

    • Fainting
    • Syncope
    • Passing out
    • Collapse

    ICD-10 Codes:

    • R55: Syncope and collapse

    Also known as:

    • Thoracic Aortic Widening
    • Dilated Thoracic Aorta
    • Thoracic Aortic Dilation
    • Enlarged Chest Aorta

    ICD-10 Codes:

    • I77810: Thoracic aortic ectasia

    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:

    • Rheumatic Mitral and Tricuspid Valve Disease
    • Heart Valve Disease
    • Streptococcal Infection
    • Rheumatic Heart Valve Disease

    ICD-10 Codes:

    • I081: Rheumatic disorders of both mitral and tricuspid valves

    Which procedures does Dr. Onderko perform as a Cardiologist?

    As a Cardiologist, procedures performed by a Dr. Laura Onderko may include:

    For detailed information, please contact Dr. Onderko's office.

    Does Dr. Onderko accept my insurance?

    Dr. Onderko accepts most major insurance plans. Important: Please call our office at (207) 662-0111 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Onderko accept in Portland, ME?

    Dr. Onderko in Portland, ME accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • Bankers Life

    • CVS Health (formerly Aetna)

    • Department of Defense / Tricare

    • Federal Employee Program

    • Martin's Point

    • Medicaid

    • Medicare

    • Point32Health

    • UnitedHealthcare

    • USAA

    View All Insurances

    Where is Dr. Onderko's office located?

    Dr. Laura Onderko's Primary Practice

    335 Brighton Ave

    Portland, ME 04102

    (207) 662-0111

    Get Directions

    Dr. Laura Onderko's Practice 2

    181 Main St

    Norway, ME 04268

    Get Directions

    Dr. Laura Onderko's Practice 3

    791 Turner St # 2

    Auburn, ME 04210

    Get Directions

    What is Dr. Onderko's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.

    Dr. Onderko's National Provider Identifier (NPI) number is 1174919864.

    What common questions do patients ask about Dr. Onderko?

    Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Onderko

    What is Dr. Laura Onderko's specialty?

    Dr. Onderko is a Cardiologist near Portland, ME. 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. Onderko to book an appointment today.

    Is this Dr. Laura Onderko affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Onderko is affiliated with Mainehealth Maine Medical Center Portland, Pen Bay Medical Center 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 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 Laura Onderko accepting new patients in Portland, ME?

    Yes, Dr. Laura Onderko is accepting new patients at this time.

    Does Dr. Laura Onderko offer online booking?

    Please contact Dr. Onderko's office at (207) 662-0111 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Laura Onderko?

    Please contact Dr. Onderko's office at (207) 662-0111 for information regarding telehealth appointment availability or for scheduling assistance.

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