Dr. Alex Harrison, MD

Dr. Alex Harrison, MD

Cardiology  ·  
Male  ·  
40 y/o

Accepting new patients

Dr. Alex Harrison, MD is a cardiology specialist in Santa Maria, CA and has been practicing for 9 years. He specializes in cardiology.

Central Coast Comprehensive Cardiovascular Imaging

1510 E Main St Ste 101

Santa Maria, CA 93454
Get Directions

Insurance Accepted

  • Accepts most major Health Plans. Please contact our office for details.
  • Aetna
  • Blue Cross Blue Shield
  • Cigna
  • First Health (Coventry Health Care)
  • UnitedHealthCare

Learn about Dr. Harrison

Be confident in your decisions by checking out your provider's top areas of care, education, patient reviews and more. Learn about finding the right doctor for you.


Top Care Areas

See how frequently Dr. Harrison performs your care needs compared to other doctors.

Aortic Valve Disease
very high
more than 99% of peers
Heart Disease
very high
more than 99% of peers
very high
more than 99% of peers

Dr. Harrison's percentages are based on the rate of treatment compared to peers nationwide from insurance data. Learn more info about our data and this Top Care Areas component.

Care Philosophy

This content was provided by Dr. Harrison "Alex Harrison, MD, FACC is a board certified cardiologist serving the community of Santa Maria as well as offering noninvasive outpatient cardiovascular imaging services at C4 Imaging. He earned both his Bachelor of Science and Medical Doctorate degrees from the University of California, San Diego. He then completed internal medicine training with Scripps Mercy Hospital in San Diego and cardiovascular fellowship training at the University of California, Irvine. He performs angiograms and implants pacemakers and defibrillators. Additionally, he has clinical and research expertise in the cutting edge field of cardiovascular imaging including appropriate use and interpretation of cardiac CT angiography and cardiac MRI studies. He founded Santa Marias first outpatient cardiac nuclear myocardial perfusion program and is the Director of Central Coast Comprehensive Cardiovascular (C4) Imaging. He was named in 2011 and currently acts as the Director of the Non-Invasive Cardiology Department at Marian Regional Medical Center. He was elected by his peers to serve as the Chief of Cardiology at Marian Regional Medical Center for 2012 and 2013. Dr. Harrison is fluent in both English and Spanish; his services are available to adult cardiovascular patients."


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1  Specialties

  • Cardiology

2  Board Certifications

  • Cardiovascular Disease
    Accredited by: American Board of Internal Medicine*
  • Internal Medicine
    Accredited by: American Board of Internal Medicine*

52  Conditions Treated

  • Aneurysm
  • Angina and Acute Coronary Syndrome
  • Aortic Aneurysm
  • Aortic Dissection
  • Aortic Ectasia
  • Aortic Stenosis
  • Aortic Valve Disease
  • Aortic Valve Regurgitation
  • Arrhythmias
  • Atrial Fibrillation
  • Atrial Flutter
  • Autonomic Disorders
  • Benign Tumor
  • Cardiomegaly
  • Cardiomyopathy
  • Carotid Artery Disease
  • Chest Pain
  • Chronic Pulmonary Heart Diseases (incl. Pulmonary Hypertension)
  • Congenital Aortic Valve Disorders
  • Congenital Heart Defects
  • Congenital Heart Disease
  • Congestive Heart Failure
  • Coronary Artery Disease (CAD)
  • Endocarditis
  • Heart Attack (Acute Myocardial Infarction)
  • Heart Disease
  • Heart Murmur
  • Heart Palpitations
  • Heart Valve Diseases
  • High Cholesterol
  • Hyperlipidemia
  • Hypertension
  • Hypertensive Chronic Kidney Disease
  • Hypertensive Heart and Chronic Kidney Disease
  • Hypertensive Heart Disease
  • Hypotension
  • Limb Swelling
  • Limb Swelling Caused by Fluid Overload
  • Mitral Valve Disease
  • Mitral Valve Regurgitation
  • Mitral Valve Stenosis
  • Patent Ductus Arteriosus
  • Pericardial Disease
  • Primary Pulmonary Hypertension
  • Pulmonary Disease
  • Pulmonary Hypertension
  • Septal Defect
  • Syncope
  • Thrombosis
  • Tricuspid Valve Disease
  • Vascular Disease
  • Venous Hypertension


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25  Procedures

Background Check

0 Malpractice Claims

No malpractice history found for California.

0 Sanctions

No sanctions history found for the years that Healthgrades collects data.

0 Board Actions

No board actions found for the years that Healthgrades collects data.


  • University Of California, San Diego, School Of Medicine
    Medical School | Graduated 2003
  • Scripps Mercy Hospital
    Internship Hospital | Completed 2004
  • Scripps Mercy Hospital
    Residency Hospital | Completed 2006
  • University Of California Irvine Med Center
    Fellowship Hospital | Completed 2009

Awards & Recognition

Awards & Honors
  • Healthgrades Honor Roll
Media & Publications

Dr. Harrison has no media or publications listed.

Languages Spoken

  • English
  • Spanish

Memberships & Professional Affiliations

Dr. Harrison does not have any memberships or affiliations listed. If you are Dr. Harrison and would like to add memberships or affiliations, please update your profile.

Marian Regional Medical Center

is a Healthgrades Top-Rated Hospital

Hospital Quality

2017 Five Star Recipient for Treatment of Heart Attack

View ratings

Dr. Harrison's Reviews

Likelihood of recommending Dr. Harrison to family and friends
11 total reviews (3 have comments)

Likelihood to Recommend (11)

  • 5
  • 4
  • 3
  • 2
  • 1

Dr. Harrison's Performance

  • Trustworthiness

  • Explains condition(s) well

  • Answers questions

  • Time well spent


Office & Staff Performance

  • Scheduling

  • Office environment

  • Staff friendliness

  • Average wait time

    10 to 15 minutes

Patient Comments (3)

Front Desk needs attention. Very poor patient response time. I have never been able to call and speak to anyone. All calls appear to be answered by voicemail and then calls are not returned in a timely fashion. It can be days before calls are returned. This is unacceptable. Dr Harrison...more
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If they could better in office staff to answer their voicemails and phone calls, that would be nice. It took 2+-wks to return several left voicemails.
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My father had complicated cardiology problems while in the hospital two years ago. Dr Harrison was highly recommended, so we requested he see dad. His bedside manner was excellent. He explained the situation in terms dad could understand. Dr Harrison put him on medications that help him...more
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