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Dr. John Zamarra, MD

Cardiology*
4.1 (16)
Map Pin Small Fullerton, CA
Accepting new patients
52 years of experience

Overview of Dr. John Zamarra, MD

Dr. John Zamarra, MD is a Cardiology Specialist in Fullerton, CA. They specialize in Cardiology, has 52 years of experience, and is board certified in Cardiovascular Disease. They graduated from State University of New York at Buffalo and is affiliated with Adventist Health Sonora. Patients rated Dr. Zamarra an average 4.1 star rating.

Dr. Zamarra works at Natural Medicine and Preventative Health and Heart in Fullerton, CA. They are accepting new patients and accept Aetna, Cigna and UnitedHealthCare as well as other major insurance plans. Please call ahead to schedule an appointment and to confirm all accepted insurance plans.

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User Ratings (of at least 4.0)
Insurance Accepted
Headshot Available
Accepting New Patients
Conditions Treated and Procedures Performed

Dr. Zamarra's Office Locations

  1. 1
    Natural Medicine and Preventative Health and Heart
    1001 E Chapman Ave Ste B, Fullerton, CA 92831 Icon Directions Right Arrow Directions Phone Icon (714) 871-5200

Hospital Affiliations
Admitting Hospitals

Admitting hospitals are where the provider is credentialed to see patients, perform procedures, and send patients for continuous care.

  • Adventist Health Sonora

Experience & Treatment Frequency

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What is treatment frequency?

Our treatment frequency feature helps you understand howoften a provider performs or treats a specificprocedure/condition compared to other doctors. Providersrank in one of four frequency categories:

Very HighFrequency
HighFrequency
NormalFrequency
May Perform

Specific procedures/conditions that don’t haveenough data are indicated with “May Perform”. We encourageyou to contact the provider with questions about theirexperience.

Search for conditions or procedures.
Tilt_Testing
Electrocardiogram (EKG)
Vascular Duplex Ultrasonography and Plethysmography
Vascular Duplex Ultrasonography and Plethysmography

Treatment frequency



Many providers have expertise treating multiple conditions or procedures. FindCare uses a variety of data sources to determine which conditions or procedures a provider treats and their level of experience.
Tilt_Testing
Electrocardiogram (EKG)
Vascular Duplex Ultrasonography and Plethysmography
Cardiac Ultrasound
Aortic Valve Disease
Arthritis
Atherosclerosis
Atherosclerosis of Aorta
Cerebrovascular Disease
Chest Pain
Congestive Heart Failure
Coronary Artery Disease (CAD)
Heart Disease
Heart Murmur
Mitral and Aortic Valve Disorder
Mitral Valve Disease
Mitral Valve Regurgitation
Osteoarthritis
Rheumatic Tricuspid Disease
Sinus Tachycardia
Stroke
  • View other providers who treat Stroke
Systolic Heart Failure
Tricuspid Valve Disease
Vascular Disease
Arrhythmia Screening
Cardiac Catheterization (incl. Coronary Angiography)
Cardiac Imaging
Cardiac Myocardial Perfusion Imaging
Cardiovascular Diagnostic Test
Cardiovascular Stress Test
Chest CT (incl. Heart and Lungs)
Chest Pain Evaluation
Cholesterol Screening
Coronary Angiogram
Coronary Angioplasty, Atherectomy and Stent
Dobutamine Thallium Stress Test
HeartAware Online Risk Screening
Nuclear Stress Testing
Peripheral Arterial Disease Screening (PAD)
Pharmacologic Nuclear Stress Test
Pharmacologic Stress Test, Adenosine
Stress Test
Structural Heart Disease Evaluations and Treatment
TCD Bubble Test
Tilt Table Testing
Treadmill Stress Test
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    • Aetna
    • Blue Shield of California
    • Cigna
    • Clover Health
    • Health Net
    • UnitedHealthCare

    * Please verify this information when scheduling an appointment.

    Ratings & Reviews
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    4.1
    Average provider rating
    Based on 16 ratings
    Patient Ratings (16)
    5 Star
    (11)
    4 Star
    (2)
    3 Star
    (0)
    2 Star
    (0)
    1 Star
    (3)
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    Dr. Zamarra's Office & Staff

    • Ease of scheduling urgent appointments
    • Office environment, cleanliness, comfort, etc.
    • Staff friendliness and courteousness
    • Total wait time (waiting & exam rooms)

    Experience with Dr. Zamarra

    • Level of trust in provider's decisions
    • How well provider explains medical condition(s)
    • How well provider listens and answers questions
    • Hpends appropriate amount of time with patients

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    About Dr. John Zamarra, MD

    Specialties*
    • Cardiology

    • *Healthline does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.
    Specialties*
    Years of Experience
    • 52 years of experience
    Years of Experience
    Years of experience represents how long a provider has been practicing in their field since graduating from medical school. Not all providers will have this information available.

    Languages Spoken
    • English, Spanish
    Languages Spoken
    NPI Number
    • 1518052489
    NPI Number
    A National Provider Identifier (NPI) is a unique 10-digit identifier issued by the government to healthcare providers.

    Education & Certifications

    Medical Education
    • State University of New York at Buffalo
    Medical Education
    Board Certifications
    • Cardiovascular Disease and Internal Medicine
    Board Certifications
    What’s a board certification and why is it important that my provider has one?

    A board certification represents a provider’s dedication to ongoing training in one or more specialties, including the completion of intensive exams. While not all specialties have board certifications, if your provider does have one they’ve taken the extra step to master their specialty and to keep up with the latest advancements in their field.

    Frequently Asked Questions

    Dr. John Zamarra, MD is accepting new patients on Healthline FindCare. You can check to see if Dr. Zamarra is offering online scheduling or call the provider’s office for more information.

    Dr. Zamarra has indicated that they do offer telehealth services. Please call the provider’s office at for more information.

    Dr. Zamarra works at Natural Medicine and Preventative Health and Heart in Fullerton, CA. View the full address on Dr. Zamarra’s profile.

    16 patients have reviewed Dr. Zamarra. The overall rating for this provider is 4.1. You can read verified reviews and ratings and leave your own review based on your experience with Dr. Zamarra.

    Whether a person prefers to schedule an appointment online or over the phone with Dr. Zamarra, there are benefits to both methods. A person calling to schedule an with Dr. Zamarra appointment can ask questions about the practice, provider availability, conditions treated, procedures performed, and if their insurance carrier is accepted. While online scheduling is quicker, easier, allows one to view a wide range of appointment times, and may provide the ability to sync with a personal calendar.

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