Dr. John Hess, MD

Dr. John Hess, MD

Cardiology  ·  
Male  ·  
69 y/o

Accepting new patients

Dr. John Hess, MD is a cardiology specialist in Thousand Oaks, CA. He specializes in cardiology.

Regional Heart Center

2220 Lynn Rd Ste 203

Thousand Oaks, CA 91360
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Insurance Accepted

  • Aetna
  • Blue Cross Blue Shield
  • Blue Cross Blue Shield of California
  • Blue Cross Blue Shield of Tennessee
  • Cigna
  • First Health (Coventry Health Care)
  • MultiPlan

Learn about Dr. Hess

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. Hess performs your care needs compared to other doctors.

very high
more than 98% of peers
Cardiovascular Stress Test
very high
more than 97% of peers
Chest Pain
very high
more than 95% of peers

Dr. Hess'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.

1  Specialties

  • Cardiology

2  Board Certifications

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

41  Conditions Treated

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


Read Less

13  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.


  • Ohio State University
    Medical School | Graduated
  • Ohio State Univ Hospital
    Internship Hospital | Completed
  • University of California Medical Center
    Residency Hospital | Completed
  • Ohio State Univ Hospital
    Fellowship Hospital | Completed

Awards & Recognition

Awards & Honors
  • Healthgrades Honor Roll
Media & Publications

Dr. Hess has no media or publications listed.

Languages Spoken

  • English
  • Spanish

Memberships & Professional Affiliations

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

Los Robles Hospital and Medical Center

is a Healthgrades Top-Rated Hospital

Hospital Quality

2018 Five Star Recipient for Coronary Interventional Procedures

View ratings

Dr. Hess' Reviews

Likelihood of recommending Dr. Hess to family and friends
9 total reviews (2 have comments)

Likelihood to Recommend (9)

  • 5
  • 4
  • 3
  • 2
  • 1

Dr. Hess' Performance

  • Trustworthiness

  • Explains condition(s) well

  • Answers questions

  • Time well spent


Office & Staff Performance

  • Scheduling

  • Office environment

  • Staff friendliness

  • Average wait time

    16 to 30 minutes

Patient Comments (2)

I have been going to Dr. Hess for 35+ years and have yet to have anything other than positive things to say about him or his care. My family has a history of heart problems and he has always been patient, thorough and taken care of any of my concerns before he leaves the room. Waiting times vary...more
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I have had one consult visit so I will know more once I get test results back and meet with the doctor again.
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