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Dr. Donald Mahon, MD

Orange, CA

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Mahon, Cardiologist in Orange, CA?

    Dr. Donald Mahon, MD is a Cardiologist, who primarily practices in Orange, CA with 2 additional practice locations. Dr. Mahon is fluent in English and Spanish, and is currently seeing new patients. Dr. Mahon’s practice accepts Medicare, UnitedHealthcare, Aetna, Cigna and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Mahon’s office at (714) 543-5555.

    What are Areas of Expertise for Dr. Mahon?

    Dr. Donald Mahon, MD 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. Mahon empowers patients to confidently navigate their health journey, specializing in Cardiac Catheterization, Heart Valve Disease, Pulmonary Hypertension, or comprehensive wellness support. Serving the Orange/CA community, Dr. Mahon is dedicated to enhancing lives through expert, patient-centered care.

    What languages does Dr. Mahon speak?

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

    • English

    • Spanish

    What conditions does Dr. Mahon treat?

    As a Cardiologist, Dr. Mahon 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. Mahon. 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:

    • 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
    • I25118: Atherosclerotic heart disease of native coronary artery with other forms of 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
    • Afib
    • A-fib
    • Irregular heart rhythm

    ICD-10 Codes:

    • I480: Paroxysmal atrial fibrillation

    Also known as:

    • Having a Pacemaker
    • Pacemakers and Implantable Defibrillators
    • Heart pacemaker
    • Artificial pacemaker
    • Implanted heart device

    ICD-10 Codes:

    • Z950: Presence of cardiac pacemaker

    Also known as:

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

    ICD-10 Codes:

    • I517: Cardiomegaly

    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

    What procedures does Dr. Mahon perform?

    As a Cardiologist, Dr. Mahon 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. Mahon. 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:

    • Coronary Artery Lithotripsy
    • Heart artery shockwave therapy
    • Intravascular lithotripsy (IVL)
    • Percutaneous coronary lithotripsy
    • Coronary artery calcification treatment

    CPT Codes:

    • 92972: Percutaneous transluminal coronary lithotripsy (List separately in addition to code for primary procedure)

    Does Dr. Mahon accept my insurance?

    Dr. Mahon accepts most major insurance plans. Important: Please call our office at (714) 543-5555 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Mahon accept in Orange, CA?

    Dr. Mahon in Orange, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • All Other Third Party

    • Alliant Techsystems

    • CalOptima

    • Centene

    • Crown Cork and Seal Company

    • CVS Health (formerly Aetna)

    • Medicare

    • Monarch HealthCare

    • St. Joseph Health System (CA)

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Mahon's office located?

    Dr. Donald Mahon's Primary Practice

    1140 W La Veta Ave Ste 430

    Orange, CA 92868

    (714) 543-5555

    Get Directions

    Dr. Donald Mahon's Practice 2

    100 E Valencia Mesa Dr Ste 105

    Fullerton, CA 92835

    Get Directions

    Dr. Donald Mahon's Practice 3

    2501 E Chapman Ave

    Orange, CA 92869

    Get Directions

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

    Dr. Mahon's National Provider Identifier (NPI) number is 1255335659.

    What common questions do patients ask about Dr. Mahon?

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

    What is Dr. Donald Mahon's specialty?

    Dr. Mahon is a Cardiologist near Orange, CA. 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. Mahon to book an appointment today.

    Is this Dr. Donald Mahon affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Mahon is affiliated with Providence St. Jude Medical Center 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 Donald Mahon accepting new patients in Orange, CA?

    Yes, Dr. Donald Mahon is accepting new patients at this time.

    Does Dr. Donald Mahon offer online booking?

    Please contact Dr. Mahon's office at (714) 543-5555 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Donald Mahon?

    Please contact Dr. Mahon's office at (714) 543-5555 for information regarding telehealth appointment availability or for scheduling assistance.

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