Warren D. Johnston, MD
Orange, CA 92868
- Mission Heritage Medical Group and Affiliated Physicians
- St. Joseph Heritage Medical Group and Affiliated Physicians
- St. Jude Heritage Medical Group and Affiliated Physicians
Orange, CA 92868
St. Joseph Heritage Orange - Cardiology
1140 West La Veta Avenue, Suite 430, Orange, CA 92868
Insurances Accepted
This information provides an overview of accepted insurance plan types. Coverage may vary by specific plan. Please verify your with your insurance provider before visiting us for care.
- TriWest - Tricare
- United HealthCare PPO
- Providence Health Plan - Medicare Advantage
- Blue Shield of CA HMO - Trio
- Health Net - Medicare Advantage
- Anthem Blue Cross Medicare Advantage
- Blue Shield of CA HMO
- Anthem Blue Cross PPO
- Aetna Medicare Advantage HMO
- Aetna Medicare Advantage PPO
- HealthSmart (Interplan) PPO
- Health Net PPO
- US Family Health Plan - TriCare
- Coventry/First Health PPO
- Vivity by Anthem Blue Cross
- SCAN Medicare Advantage
- Anthem Blue Cross HMO
- Anthem Blue Cross Medicare PPO
- Aetna PPO
- United Healthcare HMO
- Blue Shield of CA PPO
- Cigna PPO
- Multiplan PPO
- Cigna HMO
- Blue Shield of CA Medicare Advantage
- Aetna HMO
- Health Net HMO
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About Warren D. Johnston
Dr. Johnston's primary focus is prevention and treatment of cardiovascular disease, lipid disorders and women's heart disease. He was designated as a 2010 Physician of Excellence by Orange County Medical Association and Orange Coast Magazine, and was the 2008 recipient of the "Spirit of St. Joseph" award at St. Joseph Hospital. A part of the Department of Cardiology at St. Joseph Hospital for 21 years, he is currently the co-director of the Women's Heart Center. He has served as faculty at UCI, and is currently the Chairman of the Department of Cardiology at SJHMG. Dr. Johnston is accepting new general cardiology patients.
- American Board of Internal Medicine, Internal Medicine
- American Board of Internal Medicine, Cardiovascular Disease
Providence St. Joseph Hospital - Orange
Community Reviews
At Providence, we're dedicated to providing you quality, personalized health care. We are constantly striving to optimize your experience.
As part of ensuring you have a positive experience with Providence, our online provider directory includes ratings and patient comments for select providers. More about our survey.
All good!
Providence Patient
I am very pleased with Dr Johnston!!
Providence Patient
This office starting with the receptionist to the medical assistant to the Doctor have been a pleasure to have.
Providence Patient
Dr Johnston and staff are always very professional and very friendly
Providence Patient
I had a good experience. Dr. Johnston listen to my new health problems and set a time when I need to take a stress test. He also added a couple of prescriptions to help my chest pain.
Providence Patient
Everything was ok
Providence Patient
I will miss dr Johnston when he retires. He always knows my health and test details during my appointment, is friendly, decisive and skilled.The staff, from the receptionist, to the back office staff (medical assistant & outtake staff), are efficient, friendly and sensitive.
Providence Patient
Dr Johnston has been a kind, knowlegable and trustworthy Doctor. I am so sad he is but wish him all the best in retirement. He will be greatly missed.The best of the best in care and I was so fortunate to be in his care.
Providence Patient
Very proferentialism with his patient
Providence Patient
Very attentive and respectful
Providence Patient
Dr Johnston is very professional and asked me questions about my health and any problems. He listened and offered his opinions
Providence Patient
I always found him very helpful and answered my questions. I have a history of breast cancer and heart disease. In the past three years my cancer, heart and primary doctor all retired.
Providence Patient
He listened to me and found tests that I could perform. The office called me for follow up tests made the appointments.
Providence Patient
Dr. Johnston has been my cardiologist for ten years and has taken good care of me including taking me off statins when I had symptoms of myopathy and put me on Repatha. Soon I will have a stress/echo test done ten years after I had two stents inserted.
Providence Patient
Dr.Johnston is an excellent physician-knowledgeable, attentive, and genuinely caring. I always feel heard and well taken care of during every visit.
Providence Patient
This provider has been very helpful every time I see him. Even more so than my general practitioner. I am sad to see him retire.
Providence Patient
Good
Providence Patient
Touched on everything
Providence Patient
Dr. Johnson was just wonderful bedside manner very nice professional explains gets right to the point explains it to you in detail. Makes it easy for you to understand. Highly recommend him to anyone.
Providence Patient
Dr. JOHNSTON is such a professional Doctor with the kindness and experiences that is so important to us as well as others I'm sure. One Couldn't askFor a better Physician..
Providence Patient
All went very well well and I was pleased with the appointment. Thank you.
Providence Patient
Prompt efficient and made me very comfortable with the appointment
Providence Patient
Fair experience
Providence Patient
Dr. Johnston listens carefully when I talk about my medical condition and is very responsive to my health care needs. He is a consummate professional.
Providence Patient
Dr Johnston has been providing first class healthcare for my wife and me for over 25 years
Providence Patient
Everyone there is very professional and helpful.
Providence Patient
Felt like I got excellent care
Providence Patient
Been with this doctor since 1982, have no problems with him or his staff
Providence Patient
Keep up the good work.
Providence Patient
Good
Providence Patient
Really like this doctor
Providence Patient
I had a very good exam and heart health discussion.
Providence Patient
This office has always been professional, prompt and courteous for all my needs.
Providence Patient
He is the best! Good listener and always informative! I have total confidence in him!
Providence Patient
Dr. Johnston is always warm and caring. I also appreciate his expertise and responsiveness. A visit with Dr. Johnston is like seeing an old friend.
Providence Patient
Everyone was nice everything went well Doctor is a cool dude he seems down to earth told me and explained everything to me and what I needed to do thank you for everything
Providence Patient
Dr. Johnston is a very professional MD with the highest integrity and resolute on giving proper instructions and guidance. He's the best!!! His nursing staff is also the best as far as providing care and listening.
Providence Patient
All good.
Providence Patient
Dr. Johnston is extremely caring and kind and take time to make certain all my questions and needs are met.
Providence Patient
All good
Providence Patient
Overall I have been happy with my care providers. Thank you for your service and care.
Providence Patient
Dr. Johnston is very thorough and very knowledgeable.
Providence Patient
Good experience
Providence Patient
Dr Johnston is the Dr I can get answers from and he is very attentive!
Providence Patient
Dr Johnston is the best!. I came in for a pre-scheduled routine visit but, a few days before my visit, I discovered that I have breast cancer. He was " right on it" scheduling a heart test and following with my St Joseph's cancer team.
Providence Patient
Dr.Johnston is my best doctor since 1997.He listen to me and give professional advice and comments very carefully.
Providence Patient
Thanks and I had a nice visit with the doctor,
Providence Patient
Cardiologist always seems way too busy to even answer any questions he acts very impatient to leave the room
Providence Patient
He seems like he is in a hurry to get out of the room. He doesn't listen and isn't present. He spent 5 minutes in the room and acted like he had one foot out of the door the whole time.
Providence Patient
Alll is good
Providence Patient
Excellent
Providence Patient
Great experience
Providence Patient
I have been seeing Drs office for many years and everyone has always been great
Providence Patient
I have never been disappointed with Dr Johnston or his staff. They always treat me with respect and are very courteous
Providence Patient
Warren Johnston is exceptional.
Providence Patient
Great care
Providence Patient
The 7am appointment time is awesome. No chance of having to wait around!
Providence Patient
Does the doctor listen to he seems anxiousl to get to the next patient
Providence Patient
Always a good visit with Dr. Johnston!
Providence Patient
The doctor is new for me and I am just getting to know him.
Providence Patient
Always to the point..
Providence Patient
Very good
Providence Patient
Excellent Medical Doctor, would like him to spend a little more time with me if possible.
Providence Patient
I'm looking forward to an alternative stress test following by pass surgery!
Providence Patient
Outstanding,professional and caring
Providence Patient
Wonderful!
Providence Patient
Just feel I am not getting the heart care I am concerned about at my age and symptoms of late.
Providence Patient
I WAS SUPRPRISED THAT AN EKG WAS NOT DONE. I HAD HAD SOME TIME OF FAST HEART EAT AND AND= EKG HAD NOT BEEN DONE IN 12 MONTHS. I WAS TOLD 'WE DONT DO THOSE ANY MORE!!!!!!
Providence Patient
All my care and interaction with Dr Johnston and his care team have been positive.
Providence Patient
My experience is very good. My doctor read my chart, review my lab works before going in to see me. When he came to see me, he already knew my medical history. Very impressive and then gave his recommendations.
Providence Patient
It's all good
Providence Patient
Overall a very good experience.
Providence Patient
Dr. Johnston is extremely knowledgeable. I feel he truly cares about my well being. I feel fortunate to have him as my cardiologist!
Providence Patient
It was an excellent visit. We discussed my most recent bloodwork, and Dr. Johnston answered all of my questions. I feel very confident about my health after having such an informative visit. I am thankful for the care I have received throughout the years I have been treated by him.
Providence Patient
Dr. Johnston listened to my description of a symptom and responded right away with a follow up suggested test.
Providence Patient
I have seen Dr. Johnston for the last two years, and he has ALWAYS answered and addressed all my questions, even when he hasn't agreed with me!!! He was also my cardiologist 22 yrs ago under similar circumstances. I'm very pleased with his care1!
Providence Patient
Dr. Warren Johnstone and Staff are Professional and knowledgeable to my routine visit.
Providence Patient
We are so lucky to have an exceptional md in his field and a professional staff to support him.
Providence Patient
Outstanding professional staff and Provider, Dr. Johnston. I appreciate his attention to my particular ongoing heart health.
Providence Patient
Dr Johnston the best
Providence Patient
Was a good visit
Providence Patient
I'm glad that I meet this doctor very good Cardiologist.
Providence Patient
Good visit as always
Providence Patient
Understanding
Providence Patient
No problem with care provider, he is a friend for many years. I do not care for Providence.
Providence Patient
Dr. Johnson saved my life and I am eternally grateful. At every appointment I am treated with respect. He is the best!
Providence Patient
Great
Providence Patient
All good. I was seen promptly and scheduled for further tests.
Providence Patient
I am happy with this provider.......thank you!
Providence Patient
Dr Johnston made it his business to understand my disability, despite it not being directly related to the concerns I came in for, and I greatly appreciate that
Providence Patient
Good experience
Providence Patient
Very friendly and helpful
Providence Patient
I have been seeing Dr. Johnston for quite sometime now and have been very pleased with his caring and willingness to listen. As he keeps up on my progress, he knows what tests to run and what procedures to do. I would be very hesitant to see any one else regarding heart care.
Providence Patient
Dr Johnson is always ready and willing to listen to my concerns
Providence Patient
Good experience
Providence Patient
Dr Johnston and the entire cardiac team were outstanding
Providence Patient
Excellent care and attention to my needs
Providence Patient
Dr Johnston is an excellent physician
Providence Patient
I have always received excellent care and service from all my doctors and their staff
Providence Patient
Very good experience everyone was very helpful
Providence Patient
I love St. Joseph Heritage and all my doctors and specialists they recommend
Providence Patient
Dr. Johnston is one of my best doctors. He always cares and spends adequate amount of time to resolve your problem. He always makes me feel like I miss most important patient. Got a quick appointment to discuss A potential serious CT test results order by another doctor.
Providence Patient
Really appreciated the good care.Thanks
Providence Patient
I got the best of care
Providence Patient
Always a great experience.
Providence Patient
Dr Johnson in my opinion sets the standard for what medicine should be. A thorough comprehensive office visit that is always a pleasure when being there because of him.
Providence Patient
My visits to Dr. Johnson are always efficient, informative and pleasant.
Providence Patient
Excellent services
Providence Patient
Very happy.
Providence Patient
Always a good experience
Providence Patient
He's great.
Providence Patient
He has all the dialogue the two of us have had memorized when he comes into the room, no cheat sheets, just great notes. Builds confidence in his skills and suggested treatment.
Providence Patient
Good
Providence Patient
Very good experience
Providence Patient
Dr was in hurry to leave when I still had questions.
Providence Patient
I appreciate the time and care that I received from Dr. Johnston.
Providence Patient
Dr. Johnston is an exceptional individual
Providence Patient
He is a wonderful doctor and cares about your heart health. I would recommend him to anyone.
Providence Patient
All perfect!!!!
Providence Patient
I've had Dr. Johnston for years. He takes great care and concern in my health
Providence Patient
Very good at explaining what my treatments are needed for.
Providence Patient
Great doctor
Providence Patient
He treated me respectfully as a person and did not try to impose his recommendation on me
Providence Patient
Thank you for being my doctor.
Providence Patient
Very good experience
Providence Patient
Xclnt experience all the way around
Providence Patient
No problems
Providence Patient
I got an appointment right away because I need to have surgery. Sometimes it does take a little bit longer though
Providence Patient
He is an amazing doctor
Providence Patient
As always my experience with Dr. Johnston and his staff was very good.
Providence Patient
This visit was a planned visit for follow up, made several months in advance
Providence Patient
Excellent care and communication with me - patient and answered all concerns I had regarding my care.
Providence Patient
All good, and on time.
Providence Patient
Always good
Providence Patient
i've been seeing Dr. Johnson for years, he takes very good care of my health and my heart concerns
Providence Patient
My experience with this care provider has always been positive and and excellent. Have not encountered any type of problems with the care provider or any of the medical staff from the time I arrive to the time I leave.
Providence Patient
Great doctor and office personnel
Providence Patient
Have always received excellent care and service.
Providence Patient
Dr. Johnston is outstanding. His care over the past years has been greatly appreciated.
Providence Patient
Continuong cardio checkups for my health.
Providence Patient
Very good
Providence Patient
I respect and appreciate all that Dr. Johnson has done for me.
Providence Patient
Good
Providence Patient
I am happy with my entire team and my provider
Providence Patient
Valued and much more.
Providence Patient
Very concerned friendly and answered all questions we had
Providence Patient
Dr. Johnston is always extremely informative and very professional and makes you feel very comfortable. It is always a pleasure to see him.
Providence Patient
Friendly, respectful and professional
Providence Patient
Good
Providence Patient
Already recommended the services of Dr. Johnston to others.
Providence Patient
Conditions and Procedures
- Abnormal Coronary Angiography
- Abnormal Stress Test
- Acute Bacterial Endocarditis
- Acute Decompensated Heart Failure
- Adenosine Stress Test
- Aneurysm Of Leg Artery
- Anticoagulation
- Aortic Diseases
- Aortic Valve Disease
- Arrhythmia
- Atherosclerosis
- Athletic Heart Syndrome
- Atrial Fibrillation
- Atrial Flutter
- Atrial Septal Defect (Asd)
- Atrial Tachycardia
- Atrioventricular Block
- Atrioventricular Septal Defect
- Autoimmune Pericarditis
- Bicuspid Aortic Valve
- Bradycardia
- Cardiac Angina
- Cardiac Insufficiency
- Cardiac Rehabilitation
- Cardiac Risk Assessment
- Cardiac Tumor
- Cardiomegaly
- Cardiomyopathy
- Cardiorenal Syndrome
- Chest Pain
- Cholesterol Disorders
- Cholesterol Management
- Claudication
- Congestive Heart Failure (Chf)
- Coronary Artery Calcification
- Coronary Artery Disease
- Dobutamine Stress Test
- Echocardiogram
- Eisenmenger Syndrome
- Exercise Intolerance
- Familial Arrhythmias
- Familial Dilated Cardiomyopathy
- Familial Hypertrophic Cardiomyopathy
- Family History Of Sudden Cardiac Death
- Giant Cell Myocarditis
- Heart Failure Screening
- Heart Murmur
- Heart Racing
- Heart Valve Disease
- Holter Monitor
- Hypertrophic Cardiomyopathy
- Idiopathic Hypertrophic Subaortic Stenosis
- In Office Cardiac Stress Test
- Infiltrative Disorders Of The Heart
- Inflammatory Heart Diseases
- Ischemic Cardiomyopathy
- Left Bundle Branch Block
- Left Heart Failure
- Left Ventricular Dysfunction
- Mitral Regurgitation
- Mitral Valve Disease
- Mitral Valve Prolapse
- Mitral Valve Regurgitation
- Mitral Valve Stenosis
- Myocardial Infarction (Mi)
- Myocarditis
- Orthopnea
- Palpitations
- Patent Ductus Arteriosus
- Patent Foramen Ovale
- Patent Foramen Ovale Closure
- Pericardial Effusion
- Pericarditis
- Pre Excitation Syndrome
- Premature Ventricular Contractions
- Prinzmetals Angina
- Pulmonary Artery Stenosis
- Pulmonary Edema
- Pulmonary Valve Disorders
- Pulmonary Valve Insufficiency
- Pulmonary Valve Stenosis
- Refractory Angina
- Rheumatic Aortic Regurgitation
- Rheumatic Aortic Stenosis
- Rheumatic Diseases Of Pulmonary Valve
- Rheumatic Heart Disease
- Rheumatic Heart Failure
- Rheumatic Mitral Regurgitation
- Rheumatic Mitral Stenosis
- Right Bundle Branch Block
- Secondary Hypertension
- Sick Sinus Syndrome
- Sports Related Cardiovascular Assessment
- Stress Echo Cardiogram
- Subaortic Stenosis
- Supraventricular Tachycardia
- Syncope
- Tachycardia Bradycardia Syndrome
- Thallium Stress Test
- Transesophageal Echocardiography
- Transthoracic Echocardiogram
- Tricuspid Regurgitation
- Tricuspid Valve Disease
- Valve Stenosis
- Valvular Endocarditis
- Valvular Heart Disease
- Vasovagal Syncope
Great care and compassionate
Providence Patient