Accepting new patients

Dr. Warren Johnston, MD

Cardiology ·  Male · Age 69

Dr. Johnston

Dr. Warren Johnston, MD is a cardiology specialist in Orange, CA and has been practicing for 37 years. He graduated from University Of Rochester School Of Medicine and Dentistry in 1975 and specializes in cardiology.


Accepting new patients


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(714) 543-5555

Dr. Johnston accepts the following insurance:

Aetna
Aetna HMO
Choice Plus POS II
Blue Cross Blue Shield
Blue Card PPO
Blue Cross Blue Shield of California
Blue Cross Blue Shield of California PPO
Select Plus HMO
Select PPO
Blue Shield of California
Access Plus Savenet
Local Access Plus HMO
Cigna
Cigna HMO
MultiPlan
MultiPlan PPO
PHCS Network PPO

Background Check

No malpractice claims found for California
No disciplinary actions found for the years we collect data
No board actions found for the years we collect data
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Experience Check

Check Dr. Johnston's experience treating your condition or procedure

Dr. Johnston's Top Procedures and Conditions

Treatment Frequency
Congenital Heart Defects
very high
very high

Treatment Frequency

Dr. Johnston treats Congenital Heart Defects more than 99% of his peers

Dr. Johnston treats this condition more than 99% of his peers

Rating Includes other areas of care:

  • Congenital Heart Defects, Adult
  • Congenital Heart Defects, Fetal
  • Congenital Heart Defects, Pediatric
Hyperlipidemia
very high
very high

Treatment Frequency

Dr. Johnston treats Hyperlipidemia more than 99% of his peers

Dr. Johnston treats this condition more than 99% of his peers

Rating Includes other areas of care:

  • Familial Combined Hyperlipidemia
  • Familial Hypercholesterolemia
  • Hypercholesterolemia Due to Arg3500 Mutation of Apo B-100
  • Hypercholesterolemia Due to LDL Receptor Deficiency
  • Hypercholesterolemia, Autosomal Dominant
  • Hypercholesterolemia, Autosomal Recessive
Tricuspid Valve Disease
very high
very high

Treatment Frequency

Dr. Johnston treats Tricuspid Valve Disease more than 98% of his peers

Dr. Johnston treats this condition more than 98% of his peers

Rating Includes other areas of care:

  • Tricuspid Valve Atresia
  • Tricuspid Valve Stenosis

Dr. Johnston's conditions and procedures:

  • Aneurysm
  • Aneurysm of Heart
  • Angina and Acute Coronary Syndrome
  • Aortic Aneurysm
  • Aortic Dissection
  • Aortic Ectasia
  • Aortic Embolism and Thrombosis
  • Aortic Stenosis
  • Aortic Valve Disease
  • Aortic Valve Regurgitation
  • Arrhythmias
  • Atrial Fibrillation
  • Atrial Flutter
  • Cardiac Catheterization (incl. Coronary Angiography)
  • Cardiac Electrophysiology
  • Cardiac Imaging
  • Cardiac MRI (Magnetic Resonance Imaging) of Heart or Chest
  • Cardiac Myocardial Perfusion Imaging
  • Cardiomegaly
  • Cardiomyopathy
  • Cardiovascular Stress Test
  • Cardioversion, Elective
  • Carotid Artery Disease
  • Chest CT (incl. Heart and Lungs)
  • Chest Pain
  • Chronic Pulmonary Heart Diseases (incl. Pulmonary Hypertension)
  • Coarctation of the Aorta
  • Congenital Heart Defects
  • Congenital Heart Disease
  • Congestive Heart Failure
  • Coronary Angioplasty, Atherectomy and Stent
  • Coronary Artery Disease (CAD)
  • Coronary Artery Dissection
  • 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
  • Primary Pulmonary Hypertension
  • Pulmonary Disease
  • Pulmonary Edema
  • Pulmonary Hypertension
  • Pulmonary Valve Disease
  • Septal Defect
  • Syncope
  • Tetralogy of Fallot
  • Thoracentesis
  • Thrombosis
  • Tilt Testing or Cardiac Event Monitors
  • Tricuspid Valve Disease
  • Vascular Disease

About Me

Care Philosophy

At St. Joseph Heritage Medical Group, we specialize in the prevention, treatment and reversal of heart disease and other cardiac conditions.

Specialties

  • Cardiology

Board Certifications

  • Cardiovascular Disease
  • Internal Medicine

Education

1982
University Of California At Irvine / California College Of Medicine & Surgery
Fellowship Hospital
1979
Los Angeles County University Of California Med Center
Residency Hospital
1976
Los Angeles County University Of California Med Center
Internship Hospital
1975
University Of Rochester School Of Medicine and Dentistry
Medical School
1982
1979
1976
1975

Languages

  • Spanish
  • English

Awards

Dr. Johnston's Reviews

Likelihood to recommend Dr. Johnston

3.5

Based on 11 reviews

5 Stars
54.54545454545455%
(6)
4 Stars
9.090909090909092%
(1)
3 Stars
0%
(0)
2 Stars
0%
(0)
1 Star
36.36363636363637%
(4)

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Average Wait Time
  • 10 – 15 minutes
Dr. Johnston's Performance
  • Trustworthiness
  • Explains condition(s) well
  • Answers questions
  • Time well spent
Office & Staff Performance
  • Scheduling
  • Office environment
  • Staff friendliness
What People Say About Dr. Warren Johnston, MD
RecentHighestLowestMost Helpful
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Excellent service from Dr. Johnston and his entire staff. Fastest response time to queries of any practice I have ever dealt with. Lab results and comments back usually in one day, Makes time to discuss all details and reasons for visit Full write up on appointment finished and available before...Read More
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He always spent more than ample time answering all of my questions and concerns and is up-to-date on all of the current research studies and procedures, where other doctors are not. He errs on the side of caution in ordering diagnostic tests to provide himself with more than ample information to...Read More
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This office is horrible! If you want a Dr who will take the time to listen to your concerns, so that they know exactly what to test and look for then do not come to Dr. Warren Johnston, as it seems he has a protocol of 2 min with each patient, and will give everyone a stress echo and hear monitor...Read More
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