Thomas C. Kim, 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
St. Joseph Heritage Orange - Cardiology
1140 West La Veta Avenue, Orange, CA 92868
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About Thomas C. Kim
Dr. Kim is an invasive, non-interventional cardiologist with a special interest in non-invasive imaging that includes subspecialty training in echocardiography (including intraoperative transesophageal echocardiographic imaging) and nuclear cardiac imaging. His expertise also includes primary and secondary prevention of coronary heart disease, arrhythmias and valvular heart disease. He is the medical director of non-invasive cardiology at St. Joseph Hospital and has been recognized as a 2010 Physician of Excellence by the Orange County Medical Association and Orange Coast Magazine. Dr. Kim is accepting new general cardiology patients.
Finch University of Health Sciences/Chicago Medical School
1995
Mayo Clinic Graduate School of Medicine
1998
Mayo Clinic Graduate School of Medicine
2002
- American Board of Internal Medicine, Cardiovascular Disease

Providence St. Joseph Hospital - Orange
Providence St. Jude Medical Center
Community Reviews
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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.
Dr Kim is the best.
Providence Patient
Overall - always exceptional. Also results for cardiogram- ultra sound was discussed in details along with follow ups on the actual [Date] visit vs just over the phone.
Providence Patient
Everything from the assistant, doctor to the receptionist were great. Also the front desk people during checking in went smoothly
Providence Patient
Dr Kim is a great doctor
Providence Patient
Very good
Providence Patient
Though I don't often need to see Dr. Kim it is always a pleasure to visit he and his office. I was very grateful to get a cancelation
Providence Patient
The doctor seems really knowledgeable and easy to talk to.
Providence Patient
I noticed everything is getting better since providence took over
Providence Patient
Competent professional Informative
Providence Patient
Am completely satisfied with the care I get from Dr Kim's office. No complaints. All personnel were very accommodating and polite. Very impressive.
Providence Patient
Dr. Thomas Kim has looked after me since my original heart surgery and had given me great advice and health care, I hope he can stay my Doctor for as long as I need him.
Providence Patient
Dr. Kim, has always been an excellent provider to my husband and myself.
Providence Patient
Great
Providence Patient
The best!!!!!
Providence Patient
Very calm, educational experience
Providence Patient
Dr. Thomas Kim is the best, most knowledgeable, kindest, most personable, attentive doctor and I am blessed and grateful to be under his care.
Providence Patient
Excellent
Providence Patient
No comment! Received excellent service from Dr. Thomas Kim
Providence Patient
Been with him for 20+ years. Wouldn't change. Excellent Cardiologist.
Providence Patient
He seemed to be in a hurry to finish the consult. He seemed aloof and not very connected to me on a feeling level.
Providence Patient
Great relationship with Dr T Kim and his staff
Providence Patient
Love dr. Kim and his staff
Providence Patient
I've been seeing Dr Thomas Kim for many years if find very careing with a good sense of humor always answers all my? In a way I understand addresses ant? Or issues I have
Providence Patient
Excellent care
Providence Patient
Dr.Thomas Kim was always care about me and friendly. He is the best Doctor I've seen him.Thank you that I have the best choice! [Name(s)]
Providence Patient
Thanks
Providence Patient
I always have a good experience with my provider
Providence Patient
Very good excellent
Providence Patient
Dr. Thomas C Kim always listens carefully, is respectful and compassionate and takes time to answer questions.
Providence Patient
Very good treatment
Providence Patient
I find that Dr. Kim is very caring about my health and encourges me to continue walking
Providence Patient
They always take care of me
Providence Patient
Very good
Providence Patient
Dr. Kim was amazing. Each time I see him I am more impressed and feel very comfortable with his knowledge, skill and professionalism.
Providence Patient
I've always enjoyed the ensights and professional attitude of Dr Kim over these years as a patient.
Providence Patient
Dr Kim went to extra efforts to obtain the medical equipment he felt would be best for my procedure
Providence Patient
Dr. Kim continues to provide top notch cardiac care. I credit him with keeping me alive for the last 10 years or so-no exaggeration.
Providence Patient
Good overall experience.
Providence Patient
Everyone is courteous and respectful. Very professional.
Providence Patient
Great experience
Providence Patient
Dr Thomas Kim is incredible. His care and concern have kept me alive and I will forever be grateful to him.
Providence Patient
Dr Kim is very kind and patient with me. He listens and explains things so that I can understand.
Providence Patient
All good. Very quick appointment. Loved it!
Providence Patient
Dr. Thomas Kim and his staff are always polite, helpful and professional.
Providence Patient
Dr Kim provides the best care for me and I'm sure he provided the best care to all his patients.
Providence Patient
Dr Kim is the best.
Providence Patient
Dr Thomas Kim is a very sincere,dedicated and hard working Professional.
Providence Patient
Excellent customer care & service.
Providence Patient
Pleasant, good sense of humor.
Providence Patient
Good
Providence Patient
All good.
Providence Patient
Just released from hospital. He examined me. Talked about medications. He changed a couples if my medications.
Providence Patient
I've been seen this doctor last 20 years He is caring and sincere .I am happy .
Providence Patient
Good
Providence Patient
I appreciate Dr. Kim and staff for their professional deminer and occasional sence of humor, they are knowledgeable, kind, and professional. Can't get better than that!
Providence Patient
Dr.Mim is an excellent physician. Great service from office staff
Providence Patient
Dr. Kim Is always very kind and is well versed in my condition. He takes the time to explain things in an understandable way, and answers all my questions.
Providence Patient
Very good drs excelente thanks
Providence Patient
I always have good experiences with this doctor and with the office staff.
Providence Patient
Terrific doc. Answered all my questions.
Providence Patient
Dr Thomas Kim is a very nice Doctor but is so extremely busy that sometimes I feel that he doesn't have the extra time to talk to me about some of my issues. Sad that there are so many more patients and not enough Doctors.
Providence Patient
Great experience thanks for taking the time with me . Also answering my questions.
Providence Patient
Dr. Kim was very attentive to my questions and concerns and suggested ways to mitigate them.
Providence Patient
Dr Kim takes the time needed to discuss patient issues and follows up afterwards.
Providence Patient
Dr. Thomas Kim is in my opinion very knowledgeable and extremely professional.He is also a compassionate and calming presence
Providence Patient
Dr. Kim and staff are great.
Providence Patient
Provider covers all bases on my visit.
Providence Patient
All good.
Providence Patient
Dr Kim, while very professional, radiates a feeling of caring and kindness that Instills confidence that he he is genuinely concerned about treating the patient's health problem.
Providence Patient
Always wonderful service.
Providence Patient
Very good...............................
Providence Patient
This provider gave me plenty of time to discuss my health status and measures to take until next visit.
Providence Patient
Fair experience
Providence Patient
Excellent doctor, I highly recommend.
Providence Patient
Dr. Thomas Kim is pleasant, courteous and extremely well versed in all aspects of my care. He listens and is proactive. Always a pleasure meeting with one of the best physicians in Orange!
Providence Patient
I have never had a bad experience with Dr Kim and his office staff
Providence Patient
Dr Kim's office staff is professional and efficient. This office is consistently adhering to appointment times. It is refreshing not to have to wait 30 -40 minutes in the waiting room and then again in the exam room. Phone calls are returned and according to the notes, an appointment can be made if immediate care is needed. Dr Kim is always taking time to explain and to answer questions. Keep up the good work.
Providence Patient
Knowledgeable, thoughtful doctor.
Providence Patient
It was great to see Dr Kim MRW
Providence Patient
My favorite provider!
Providence Patient
Dr. Kim is always attentive and caring and office staff is efficient and friendly. Never have to wait long in this office.
Providence Patient
Dr.Kim is a very caring and informative physician. I am very satisfied with my visits and treatments received by him.
Providence Patient
Dr. Kim is the best
Providence Patient
He has always been understanding of my problems.
Providence Patient
Good
Providence Patient
I am [Name(s)] daughter and caregiver).Dr. T. Kim has excellent bedside manner fostering trust and rapport with the patient. He is clear and concise making it easier for the patient as well as the caregiver to understand and follow his instructions. Thank you, Dr. Kim!
Providence Patient
My favorite dr. Wish I could use him as my primary care dr
Providence Patient
Dr Kim is a caring cardiologist that listens and gives sound medical advice. His staff if friendly, competent and efficient !!
Providence Patient
Dr. Thomas Kim and his staff are great to work with / are always friendly and professional. Although there has been some confusion about who is to authorize my heart meds - I believe that has been straightened out and will work for future refills. I have seen Dr. Kim since 2022 - am very pleased with his medical support / diagnosis / personal interaction - thank you very much! This has been a very trying situation and Thomas has made it tolerable and assured me I would be okay! That's all a person can ask - thank you again.
Providence Patient
My visits to Dr. Kim have always been a pleasant experience. The office staff are courteous and knowledgeable. I would highly recommend Dr. Kim.
Providence Patient
Dr Thomas Kim has my complete trust and respect. My bi-annual visits with him are always very professional and yet, like seeing an old friend who cares about me.
Providence Patient
Dr. Thomas Kim is analytical, calm and knowledgeable who provides appropriate medical care for his patients.
Providence Patient
Dr Kim is an excellent cardiologist. Well run office.
Providence Patient
Dr. Kim has taken excellent care of me since my surgery in 2010, he knows my history well
Providence Patient
I felt the doctor did not take seriously my concerns.
Providence Patient
I appreciate Dr Thos Kim for his care, concern for my well being and his compassion. The past 6 months had been difficult since an ablation was preformed Oct [Date] by another physician that didn't end up well and Dr Thos Kim has been there for me! He's the best!!
Providence Patient
Very good
Providence Patient
Dr Kim is the best!!!
Providence Patient
Only negative I have is it takes so long to see Dr. Kim when I make an appointment. I know he is the best cardiologist around so I can live with it.
Providence Patient
Excellent team
Providence Patient
Great doctor. Very professional nose and stuff we recommend him To anyone
Providence Patient
I had an excellent experience during my last office visit with this provider. The office staff were great and the provider, Dr. Kim, was great.
Providence Patient
Appointment Was helpful in keeping me on right track health wise .
Providence Patient
I was able to see this provider within 8 months of my last visit. Prior to that, it 2 years to get an appointment with the doctor. It had been 4 years since I had seen the actual doctor, although I have been seen regularly by the PA.
Providence Patient
Great service great doctor care
Providence Patient
Dr Kim is very professional & courteous always throws a little humor with my visit enjoy seeing him
Providence Patient
Dr. Kim seemed impatient and did not spend as much time as usual. The visit felt rushed and I did not feel like he asked enough questions nor did I have enough time to discuss concerns. This has not been my usual experience with him. I don't know what has changed.
Providence Patient
Each and every time I visit Dr Kim for an appt he always stresses to me that my health is very important to him and demands that I get things taken care of in a very polite caring way . I love that about him as I need that sternness for my stubbornness . Thank you so Much Dr Kim and staff .
Providence Patient
Clinical Interests
- 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
Pleased with this my initial visit with Dr. Thomas Kim. My previous primary care and heart doctors have retired and happy to have found Dr. Kim.
Providence Patient