Aseem D. Desai, MD, FHRS
Mission Viejo, CA 92691
- Mission Heritage Medical Group and Affiliated Physicians
- St. Joseph Heritage Medical Group and Affiliated Physicians
- St. Jude Heritage Medical Group and Affiliated Physicians
Mission Heritage Mission Viejo - Cardiac Electrophysiology
26800 Crown Valley Parkway, Suite 103, Mission Viejo, CA 92691
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.
- Providence Health Plan - Medicare Advantage
- Health Net - Medicare Advantage
- Choice/Humana PPO
- Blue Shield of CA HMO - Trio
- US Family Health Plan - TriCare
- Aetna Medicare Advantage HMO
- United Healthcare HMO
- United Healthcare PPO
- Multiplan PPO
- HealthSmart (Interplan) PPO
- Health Net PPO
- Health Net HMO
- TriWest - Tricare
- Coventry/First Health PPO
- Cigna PPO
- Blue Shield of CA PPO
- Anthem Blue Cross PPO
- Anthem Blue Cross Medicare PPO
- Aetna PPO
- Aetna Medicare Advantage PPO
- Vivity by Anthem Blue Cross
- Aetna HMO
- SCAN Medicare Advantage
- United Healthcare Medicare Advantage
- Blue Shield of CA HMO
- Anthem Blue Cross HMO
- Anthem Blue Cross Medicare Advantage
- Blue Shield of CA Medicare Advantage
- Cigna HMO
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About Aseem D. Desai
Dr. Desai is a native of Chicago, Illinois and attended Northwestern University's prestigious Honors Program in Medical Education. He completed his internship, residency, honorary chief residency, and cardiology and electrophysiology fellowships at Stanford University Medical Center. He has significant expertise with both robotic RF (heating) and cryo (freezing) techniques in the catheter ablation and cure of all heart rhythm disturbances including atrial fibrillation, atrial flutter, supraventricular tachycardia, premature ventricular contractions, and ventricular tachycardia. He specializes in diagnosing and treating palpitations and fainting, and he has extensive experience with heart rhythm monitors including insertable loop recorders. He is involved in clinical research and has numerous academic publications. He is a sought after speaker and has lectured regionally and nationally to patients and physicians. In his personal time, Dr. Desai enjoys being with his family, singing and playing guitar, yoga, and reading.
For more information visit: https://draseemdesai.com/ and for media information, visit: https://draseemdesai.com/insta-links
Scientific Leadership Positions
- Associate Editor, EP Lab Digest
- Founding Member, Robotic EP Society
Published Papers in Peer Reviewed Journals
- Rapid Assessment of Left Ventricular Systolic Function in a Pacemaker Clinic Using a Hand-Carried Ultrasound Device. J Interv Card Electrophys. Published online October 19, 2006
- Predictors of Appropriate Defibrillator Therapy Among Patients with an Implantable Defibrillator that Delivers Cardiac Resynchronization Therapy. J Cardiovasc Electrophys 2006. Published online February 3, 2006. doi: 10.1111/j.1540-8167.2006.00367.x.
- Prognostic Significance of Quantitative QRS Duration. Am J Med 2006;119:600-6.
- Implications and Outcome of Permanent Coronary Sinus Lead Extraction and Re-implantation.
J Cardiovasc Electrophys 2005;16:1-8. - Editorial Commentary – Effect of Atrial Fibrillation on Chamber Dimensions. Heart Rhythm Journal 2005;2:25-27.
- Termination of Epicardial Left Ventricular Tachycardia by Pacing without Global Capture. J Cardiovasc Electrophys 2005;16:92-94.
- Long-Term Retention of Cardiac Resynchronization Therapy. J Am Coll Cardiol 2004;44:72-77.
Published Books, Textbook Chapters & Invited Articles
- Restart Your Heart: The Playbook for Thriving with AFib
- Premature Ventricular Contraction. In: eMedicine 2008.
- Implantable Cardioverter-Defibrillators: Clinical trials-Primary and Secondary Prevention. In: UpToDate, Rose BD (Ed), UpToDate, Wellesley, MA, 2005.
- Techniques of Prediction of Arrhythmia Occurrence and Stratification for Sudden Cardiac Death. In Wang P, Naccareli G, Rosen M, Estes M, Hayes D, Haines D, editors. New Arrhythmia Technologies, 1st ed. Blackwell Publishing (UK), 2005.
- Pharmacologic Treatment of Atrial Fibrillation. Eur Heart J 2005 (in press).
- The Role of Intravenous Amiodarone in the Management of Cardiac Arrhythmias. Ann Intern Med 1997;127:294-303.
Northwestern University
InternshipStanford University Medical Center
Chief ResidencyStanford University Medical Center
FellowshipStanford University Medical Center
Education and Training
University of Chicago Hospital
Director of Implantable Device Therapy and Assistant Professor of Medicine
- American Board of Internal Medicine, Cardiovascular Disease
- American Board of Internal Medicine, Clinical Cardiac Electrophysiology

26800 Crown Valley Parkway, Suite 103
Mission Viejo, CA 92691
Providence Mission Hospital - Laguna Beach
Providence Mission Hospital - Mission Viejo
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.
He's the best and provided great advice.
Providence Patient
Dr Desai and his staff are fantastic!
Providence Patient
Visiting and meeting with Dr Aseem D. Desai and his staff was a pleasant and very professional experience.
Providence Patient
I always get a good experience with dr Desai
Providence Patient
Outstanding doctor!
Providence Patient
Excellent doctor
Providence Patient
The entire team at Dr Desai's office are always professional with compassion!!!
Providence Patient
Dr DeSai is a very caring and experienced physician. He explains everything with patience and takes the time needed. He treats one with respect and kindness, and as a whole person. Not just the medical disease.. I always come away feeling calm and satisfied my needs have been meet. I would thoroughly recommend him to anyone. They would be lucky to see him for their cardiac issues. Thank you.
Providence Patient
Dr. Desai is a compassionate and very competent physician and one that I admire.
Providence Patient
Dr. Desai is very through
Providence Patient
A real professional!
Providence Patient
Very happy with the care provided
Providence Patient
Always feel heard and compassion from doctor
Providence Patient
So far I have no negative comments about this doctor. He's definitely better than a few doctors or cardiologist I've seen before.
Providence Patient
Excellent doctor!!!
Providence Patient
Dr. Desai is such a caring doctor. I always feel heard and at ease. So grateful for the care Dr. Desai provides.
Providence Patient
Dr. Desai has been providing excellent care for more than 22 years.
Providence Patient
With his world class expertise and personal care, I believe Dr. Aseem Desai has saved my life. I would be impossible to thank him enough. I am eternally grateful. Thank you so very much, Dr. Desai!
Providence Patient
It was just a video call. Things went well. And the video chatting was a lot better than driving 50 miles to get there.
Providence Patient
Dr. Desai and team always are a professional and courteous. He is top notch and will continue to see him in the coming years.
Providence Patient
I am very happy to hear that my blood vessels are strong and functioning well
Providence Patient
Dr Desai is a most knowledgeable and caring doctor! He changed my life, and I'm so grateful to him.
Providence Patient
Best provider and recommend him to all my personal friends. I have the highest respect of the provider.
Providence Patient
Appreciate the care and time with the doctor in this visit
Providence Patient
Dr. Desai is a pleasure to work with and totally resolved my Afib issues in a procedure last year. In this follow-up he answered my questions and gives me confidence in my continued heart health.
Providence Patient
Very accommodating ,very satisfied with the care.
Providence Patient
Doctor answered all of my questions.
Providence Patient
Dr Desai has provided excellent care and I see him to monitor my EKG loop recorder after his successful ablation to stop fainting caused by multiple persistent bouts of tachycardia. He is a specialist and we don't mind waiting a bit as he spends time w other patients.
Providence Patient
Friendly staff. Dr Desai is patient and personable. He explains things in a way that is easy to understand
Providence Patient
All experiences have been good
Providence Patient
Dr, De Sai and his team have always done a great job in keeping me on the right path to my heart health
Providence Patient
I've always had excellent service from Dr. Desai and his associates.
Providence Patient
Dr Desai had helped me really improve my heart condition since I began seeing me! [Name(s)]
Providence Patient
Dr. Desai went above and beyond my expectations in professionalism, kindness and clinical skills.
Providence Patient
Dr. Desai is simply the best in every way.
Providence Patient
I've never had a doctor better, in every way, than Dr. Desai. I've been seeing Dr. Desai for twelve and a half years.
Providence Patient
Dr Desai is the best of theAFIB doctors in Orange County He has written books and is a dedicated medical doctor You are lucky to have him...he knows the world of a irregular heart he's a blessing. Encourages good health !
Providence Patient
I feel confident with this doctor and his team.This is VERY important to us seniors.Thank you!
Providence Patient
Dr. Desai is my favorite doctor. He is so knowledgeable, kind, easy to deal with, and just a nice guy. I feel privileged to be his patient. I can always count on his honesty and integrity. I have recommended him often to others. He is the best!
Providence Patient
Dr. Aseem Desai is an amazing heart specialist. I have a heart monitor and he always takes care of me.I am so blessed to have him care for me. [Name(s)]
Providence Patient
I believe Dr. Desai is an excellent doctor!
Providence Patient
Excellent, caring, knowledgeable.
Providence Patient
Great office and Dr.
Providence Patient
Dr. Desai and his team provide the most professional care and treatment, and I am grateful to be able to receive ongoing care from him and his team thank you.
Providence Patient
Everything goes very when I visit with Dr. Desai.Office is run very efficiently.
Providence Patient
Dr. Desai is an excellent, knowledgeable and caring physician. A credit to Mission Hospital.
Providence Patient
Dr Desai is always caring and careful to explain my condition and his plan for treatment. He always makes sure all of my questions and concerns are addressed. I never feel rushed. I feel very lucky to have him as my doctor for my most important health issues.
Providence Patient
Thankful for Dr. Desai compassionate care and excellence and for the caring team in the office.
Providence Patient
Extremely positive staff, and doctor
Providence Patient
Have recommended several friends and/or collegues to Dr. Desai - he Is GREAT!!
Providence Patient
Dr Desai is extremely knowledgeable regarding my health issues and provides helpful information to support my on going efforts to remain healthy.
Providence Patient
Only very good
Providence Patient
Excellent experience throughout all phases of care
Providence Patient
Excellent.
Providence Patient
Dr Desai and his entire staff take very good care of me. They are very knowledgeable, polite and very professional. I know I'm in good hands.
Providence Patient
Dr Desai's expertise is unmatched and he has a wonderful bedside manner. I have seen several cardiologists in the past 25 years and he ranks at the top.
Providence Patient
Dr. Desai is the best! My favorite Doctor.
Providence Patient
My heart doctor (Dr DeSai) and my primary (Dr Nuygen) are both very professional and compassionate.
Providence Patient
Dr. Desai is the best Electrophysiologist Cardiologist! I have referred many of my friends and patients to him over the past eleven years that I have been his patient.
Providence Patient
All goid
Providence Patient
The cardiologist is an expert in the field of my heart issues and has published a book on the topic.
Providence Patient
All good.
Providence Patient
Professional, friendly, easy to understand, courteous
Providence Patient
He is kind, compassionate, smart, caring and I recommend him to anyone who needs a wonderful and thorough cardiologist!
Providence Patient
It's all good!
Providence Patient
Best I've ever had.
Providence Patient
Excellent experience
Providence Patient
Dr Desai is an excellent doctor and I am grateful for his help.
Providence Patient
Dr. Desai is a stellar human being and doctor.
Providence Patient
Doctor seemed more pleasant this time than he has in the past. That made me feel more comfortable.
Providence Patient
Dr. Desai and his team are the best I've ever had.
Providence Patient
Very caring, receptive and knowledgeable. Excellent!
Providence Patient
All good experiences!!
Providence Patient
Both device check & office visit went fine this time.
Providence Patient
I was very pleased.
Providence Patient
HE WAS FAMILIAR WIT A NUTRITIONAL SUPPLEMENT THAT I AM TAKING VERY KNOWLEDGABLE
Providence Patient
Dr Desai's only problem is that everyone wants to see him. He is that excellent in reputation.
Providence Patient
A good experience
Providence Patient
Dr. Desai and his assistants are always kind and personable. He is one of my favorite doctors because Dr. Desai sincerely cares, listens, and is an expert in his field. I am grateful he is my doctor and friend.
Providence Patient
My appointment was expedited and the doctor was able to see me without delay
Providence Patient
Dr Desai and staff is the best
Providence Patient
Very good experiences with him .
Providence Patient
Always excellent service and care
Providence Patient
Very professional, knowledgeable and courteous.
Providence Patient
Dr Desai continues to provide wonderful, compassionate and effective service
Providence Patient
Treated w compassion
Providence Patient
Dr. Desai MD is not only a great doctor, but a great human being as well. Could not ask for a better doctor.
Providence Patient
Dr. DeSai has taken care of my heart care for many years. He is a wonderful and caring doctor, who is very interested in me as a person and not just a heart case number.He is very competent in his field and listens intently to one's questions and concerns. Treats one holistically and really cares about one's welfare. I look forward to my check ups and always feel happier about my health status when I leave. An excellent doctor that I am so grateful for. His staff are also great!
Providence Patient
Love Dr. Desai. He is intuitive, and always willing to listen to my concerns.
Providence Patient
Dr Desaibis very caring, knowledgeable and spends as much time as needed to address concerns. I have a better understanding and helpful guidance as a result of my appointment with him.I recommend Dr Desai to everyone who has a heart rhythm condition.
Providence Patient
I have had my cardiologist for about 12 years and I value any suggestions he has to offer in regards to my wellbeing.
Providence Patient
Dr. Desai was great
Providence Patient
Dr. Desai is an exceptional medical doctor. He is confident, caring and compassionate. I am grateful to have him as my doctor.
Providence Patient
Dr. Desai & his office staff are always courteous & professional.
Providence Patient
Great listener and explainer
Providence Patient
Always meets my expectations
Providence Patient
Dr. Desai is an amazing man. I have referred many friends to him.
Providence Patient
Very attentive care
Providence Patient
Even though my provider was late, the staff kept me apprised and provider apologized when arrived.
Providence Patient
Dr DiSai is knowledgeable respectful and caring
Providence Patient
Dr. Desai has been a very valuable advocate both in information and treatment
Providence Patient
Everyone was caring, considerate, and knowledgeable
Providence Patient
I have never had a bad experience with this provider. He has always been honest and helpful and very informative.
Providence Patient
I had a critical condition and Dr. Desai and his associates at [Name(s)] hospital in [Location] took immediate care of me.
Providence Patient
Dr. Desai has helped me with some serious heart problems! He is very knowledgeable and always answers my concerns. I would recommend him to others with heart problems!
Providence Patient
The Best! Took time, explained extremely well procedure & everything involved. The Team is Exceptional, thorough, & very considerate!
Providence Patient
Dr Aseem Desai is an exceptional Dr and person in every way!
Providence Patient
Dr Desai is the best!
Providence Patient
Dr. Desai is Excellent!
Providence Patient
No waiting excellent care and service
Providence Patient
Dr. Desai is the very best. His mannerisms are kind and gentle, his knowledge is extensive.
Providence Patient
Fabulous Doctor!!!
Providence Patient
Great
Providence Patient
All round outstanding experience as always. I have been going to Dr. Desai for many years, and never had an issue with him or his staff. We are fortunate to have someone of his caliber in Orange County
Providence Patient
He always takes time to answer any questions.
Providence Patient
Everything was excellent
Providence Patient
Dr Desai is the best in his field and is caring and aware of his patient's needs
Providence Patient
Didn't feel rushed in the appointment with the doctor answered all my questions and I've scheduled an appointment for 2025
Providence Patient
Very pleased with my care from this doctor.
Providence Patient
This was a video inference and he answered my concerns.
Providence Patient
Dr. Desai is wonderful and very patient when explaining all concerns in detail.
Providence Patient
Dr Desai is always friendly, courteous and professional
Providence Patient
Dr. Desai is very kind and compassionate, easy to talk to and is encouraging me in my health journey.
Providence Patient
Dr.Desai, is a great doctor. My husband and a friend of mine also think the world of him. I am very pleased.
Providence Patient
The pacemaker clinic was knowledgeable and prompt Dr Desai is always efficient and takes time to ask me questions and shows he cares
Providence Patient
I believe Dr. Desai helped save my life! I'm so glad I was referred to him!
Providence Patient
None finer
Providence Patient
The doctor had my test done stat because I am scheduled for a long airplane trip and my blood pressure was very low. He is very interested in making sure I am safe to travel.
Providence Patient
All positive
Providence Patient
Dr. Desai is the best.
Providence Patient
Dr. DeSai is always kind, thorough, and caring.
Providence Patient
Love Dr. Desai. Great Cardiologist. Helped me with my SVT. Working out 4 times a week again.
Providence Patient
All was excellent! And he got me in quickly for my appointment after a major AFib event.
Providence Patient
Dr. Desai is kind, compassionate, and clearly cares about his patients. It was such a breath of fresh air to visit a specialist who genuinely cares. Thank you.
Providence Patient
Provider and staff are excellent
Providence Patient
Dr Desai is very friendly and professional
Providence Patient
Everyone associated with Dr. Desai is professional and helpful.
Providence Patient
Very professional and a great patient experience
Providence Patient
Love Dr Desai and his team!
Providence Patient
Great initial visit and clear pre-surgery Instructions. My real measure of satisfaction will be based on the success of my pacemaker in improving my quality of life.Thanks to your amazing team.
Providence Patient
Great experience. I always have great confidence in Dr. Desai.
Providence Patient
As always, fantastic care from everyone there.
Providence Patient
Dr. Desai is always diligent about status of my heart health as well as my overall health.
Providence Patient
Want this care for those that I love most
Providence Patient
Excellent experience as always with this provider.
Providence Patient
Great experience. Very knowledgeable. Took the time to explain things to me. I really trust Dr. Desai.
Providence Patient
All good, no bad.
Providence Patient
Dr. Desai is an excellent doctor.
Providence Patient
Dr. De Sai and his team always provide a comfortable, and positive experience.
Providence Patient
I'm very Happy God Bless [Name(s)]
Providence Patient
Dr the best, very helpful:)
Providence Patient
Excellent
Providence Patient
So far I have not had a bad experience visiting this office. My last visit was good & all my questions answered satisfactorily.
Providence Patient
Love Dr Desai
Providence Patient
Hard to get an appointment with Dr Desai, but that is because he is one of the best EP's in Orange County worth the wait
Providence Patient
Very comfortable with this doctor and staff.
Providence Patient
Very competent and caring
Providence Patient
First visit. Very happy.
Providence Patient
Dr. Desai is an angel! He is very dedicated and knowledgeable!!!
Providence Patient
Always the best care in Dr Desai's office!
Providence Patient
Good
Providence Patient
Dr D is always courteous, attentive , thorough, knowledgeable and kind
Providence Patient
All Good
Providence Patient
All good
Providence Patient
Desai always attentive
Providence Patient
Dr. Desai epitomizes patient care excellence. It's one thing to be knowledgeable, but he relates pertinent info to us in a genuine caring and thorough manner. He misses nothing, remembers everything and accommodates the needs of all of us. I, and others I know under his care, are extremely grateful to have him as our heart specialist.
Providence Patient
Dr. Desai has been treating me for almost 15 years. I have faith and trust in his decisions for me. He is the reason I am still alive!
Providence Patient
Dr Desai and his team are wonderful.
Providence Patient
A great doctor
Providence Patient
Care providers listen to my health questions and we discuss ways to treat
Providence Patient
All good.
Providence Patient
Very good
Providence Patient
Conditions and Procedures
- Ablation For Ventricular Tachycardia
- Acquired Heart Block
- Anomalous Atrioventricular Excitation
- Arrhythmias (Heart) Therapy
- Arrhythmias During Pregnancy
- Atrial Fibrillation
- Atrial Fibrillation Ablation
- Atrial Fibrillation Cryoablation
- Atrial Fibrillation Radiofrequency Ablation
- Atrial Flutter
- Atrial Tachycardia
- Atrioventricular Block
- Atrioventricular Septal Defect
- Av Nodal Arrhythmia
- Bradycardia
- Brugada Syndrome
- Cardiac Ablation
- Cardiac Channelopathies
- Cardiac Conduction Defects
- Cardiac Device Implant
- Cardiac Device Infection
- Cardiac Device Malfunction
- Cardiac Devices
- Cardiac Implantable Device Replacement
- Cardiac Mapping
- Cardiac Resynchronization Therapy
- Cardiac Sarcoidosis
- Cardiomyopathy
- Cardioversion
- Cerebrovascular Accident (Cva)
- Complete Atrioventricular Block
- Conduction Defects
- Congenital Heart Block
- Convergent Procedure
- Familial Arrhythmias
- Family History Of Sudden Cardiac Death
- Heart Block
- Holter Monitor
- Implantable Cardiac Monitor Procedure
- Implantable Cardioverter Defibrillator Placement
- Implantable Defibrillator
- Intracardiac Catheter Ablation
- Intravenous Lead Extraction
- Laser Lead Extraction
- Lead Extraction
- Left Bundle Branch Block
- Long Qt Syndrome
- Loop Recorder
- Lown Ganong Levine Syndrome
- Pacemaker
- Pacemaker And Icd Interrogation
- Pacemaker Infection
- Pacemaker Placement
- Pacemaker Revision
- Palpitations
- Paroxysmal Supraventricular Tachycardia
- Paroxysmal Tachycardia
- Paroxysmal Ventricular Tachycardia
- Patent Foramen Ovale
- Patent Foramen Ovale Closure
- Polymorphic Ventricular Tachycardia
- Postural Tachycardia Syndrome
- Pre Excitation Syndrome
- Premature Beats
- Premature Ventricular Contractions
- Remote Cardiac Device Monitoring
- Replacement Of Defibrillator
- Resynchronization Therapy
- Right Bundle Branch Block
- Short Qt Syndrome
- Sick Sinus Syndrome
- Sinoatrial Node Dysfunction
- Sinus Node Dysfunction
- Supraventricular Tachycardia
- Syncope
- Tachycardia
- Tachycardia Bradycardia Syndrome
- Tilt Table Test
- Transvenous Lead Extraction
- Trifascicular Block
- Vasovagal Syncope
- Ventricular Arrhythmia
- Ventricular Fibrillation
- Ventricular Tachycardia
- Wearable Defibrillator
- Wolff Parkinson White Syndrome
Dr Desai is the best. He truly cares for his patients.
Providence Patient