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Corey J Lum

Corey J Lum, DO

Heart Failure

Accepting New Patients
Need help scheduling? Call 702-360-7600

Highlights

Age Groups Seen

  • Adult 19-64
  • Older Adult >65

Gender

Male

About Corey J Lum

About The Provider

Dr. Corey Lum joined Intermountain Health with three years of medical practice experience specializing in Advanced Heart Failure & Transplant Cardiology. He is proud to be part of a team that provides high-quality and cost-effective care. He enjoys caring for advanced heart failure patients and helping them obtain therapies such as a left ventricular assist device or heart transplantation.

Dr. Lum has practiced medicine in Hawaii and California, and has served as a clinical instructor, assistant professor, and telemedicine physician. He is board-certified in Internal medicine, Cardiovascular Disease, Advanced Heart Failure & Transplant Cardiology, and Adult Echocardiography. He has published numerous articles in medical journals on cardiovascular topics.

Dr. Lum earned his BS in Exercise Biology from The University of California, Davis (UC Davis) in Davis, California. He earned his Doctorate of Osteopathic Medicine (DO) from Touro University of Nevada, College of Osteopathic Medicine in Henderson, Nevada. He did his residency in Internal Medicine and fellowship in Cardiovascular Disease at University of Hawaii in Honolulu, Hawaii. He also did a fellowship in Advanced Heart Failure & Transplant Cardiology at The University of California, Los Angeles.

Locations

  1. Alta Cardiology Clinic
    • phone: 702-360-7600
    • fax: 702-363-3814
  2. La Canada Clinic - Cardiology
    • phone: 702-933-9400
    • fax: 702-933-9444

Expertise

Education

  • Fellowship: UCLA Medical Center, Advanced Heart Failure and Transplant Cardiology, 2019
  • Fellowship: University of Hawaii John A Burns School of Medicine, Cardiovascular Disease, 2018
  • Residency: University of Hawaii John A Burns School of Medicine, Internal Medicine, 2015
  • Medical School: Touro University Nevada, 2012

Board Certifications

  • Advanced Heart Failure and Transplant Cardiology: American Board of Internal Medicine, 2020
  • Cardiovascular Disease: American Board of Internal Medicine, 2018
  • Internal Medicine: American Board of Internal Medicine, 2015

Ratings & Reviews

4.9 out of 5

724 ratings, 76 reviews

The Patient Satisfaction Rating is an average of all responses to the care provider related questions shown below from our survey. Patients that are treated in outpatient or hospital environments may receive different surveys, and the volume of responses will vary by question.

Search reviews
    5 out of 5 stars
    Reviewed on 2/6/2026

    I feel very comfortable and confident being in Dr. Lum’s care. He never makes the visit feel rushed and is very professional. He is very easy to reach and speak with if I ever have any questions.

    5 out of 5 stars
    Reviewed on 2/5/2026

    Dr. Lum explained my test results and referred me to a valve and structural specialist.

    5 out of 5 stars
    Reviewed on 1/23/2026

    Dr. Lum is a friendly and courteous professional who treats his patient with care and respect.

    5 out of 5 stars
    Reviewed on 1/22/2026

    He communicates in a clear precise manner. He makes himself available via 24/7 to his patients. I feel as if Iam in very good hands with his lead.

    5 out of 5 stars
    Reviewed on 1/18/2026

    Great job and taking care of me and answering my questions

    5 out of 5 stars
    Reviewed on 1/11/2026

    Excellent care and always answer all my cares and questions. Awesome doctor.

    5 out of 5 stars
    Reviewed on 1/10/2026

    An intelligent, caring, compassionate Dr. He's great

    5 out of 5 stars
    Reviewed on 1/1/2026

    IT's just too bad al doctors aren't a Corey Lum

    5 out of 5 stars
    Reviewed on 1/1/2026

    This doctor is right to the point

    5 out of 5 stars
    Reviewed on 12/25/2025

    HE LISTENS!

    5 out of 5 stars
    Reviewed on 12/15/2025

    I love Dr. Lum. He has always been very caring and professional.

    5 out of 5 stars
    Reviewed on 12/9/2025

    I feel very fortunate to have him as my doctor. He is approachable, professional, and caring. He gives you a way to contact him at all times which has always given me peace of mind.

    5 out of 5 stars
    Reviewed on 12/7/2025

    I always learn something new from Dr. Lum.

    5 out of 5 stars
    Reviewed on 12/7/2025

    Dr. Lum has a way of supporting and encouraging a healthy lifestyle. My appointments with him are always pleasant, and I learn something every visit.

    5 out of 5 stars
    Reviewed on 12/5/2025

    Truthful but in a caring manner

    4 out of 5 stars
    Reviewed on 12/5/2025

    Good

    5 out of 5 stars
    Reviewed on 11/26/2025

    Dr. Lum doesn’t rush through the appointment, he listens, answers all of your questions and truly cares for his patients!

    5 out of 5 stars
    Reviewed on 11/19/2025

    None except he is very good

    5 out of 5 stars
    Reviewed on 11/15/2025

    A great provider

    5 out of 5 stars
    Reviewed on 11/14/2025

    Corey goes above and beyond to meet the needs of his patients

    5 out of 5 stars
    Reviewed on 11/13/2025

    An excellent provider

    5 out of 5 stars
    Reviewed on 11/8/2025

    He is great doctor & very good doctor I ever seen

    5 out of 5 stars
    Reviewed on 11/6/2025

    It was great, very caring doctor that knows what he is doing.

    5 out of 5 stars
    Reviewed on 10/23/2025

    Very good

    3 out of 5 stars
    Reviewed on 10/18/2025

    Very good.

    5 out of 5 stars
    Reviewed on 10/10/2025

    Dr. Lum is friendly, open to discussion, and very responsive. I greatly appreciate the ability to communicate via email and text when needed.

    5 out of 5 stars
    Reviewed on 10/9/2025

    In my experience with Dr Corey lum, he has always treated me with respect and honesty. He gives me his opinion on what he truly thinks is the best for me with my condition. And he listens to my questions and concerns and addresses them honestly.

    3 out of 5 stars
    Reviewed on 10/1/2025

    I think he is acknowledging but I still have lots of questions

    5 out of 5 stars
    Reviewed on 9/29/2025

    Dr Lum is an excellent cardiologist, caring and patient.

    5 out of 5 stars
    Reviewed on 9/29/2025

    He is pretty set in his ways and does not entertain other thought streams. It is either his way or he does not want you as his patient (my observation and opinion). He seems to think that it is his way or the highway.

    5 out of 5 stars
    Reviewed on 9/24/2025

    Yes Corey is very good ..He explain everything very clearly .

    5 out of 5 stars
    Reviewed on 9/13/2025

    Her overall knowledge and skills in preforming the procedure was amazing.

    5 out of 5 stars
    Reviewed on 9/10/2025

    He cares about patients, always available for questions or concerns. He explains the "why" of procedure and medications.

    5 out of 5 stars
    Reviewed on 9/5/2025

    Dr Lum is very kind and caring. I enjoy my visit

    5 out of 5 stars
    Reviewed on 9/5/2025

    i have never had anything but a great experience with Dr.Lum.

    5 out of 5 stars
    Reviewed on 9/4/2025

    very attentive

    5 out of 5 stars
    Reviewed on 9/4/2025

    he listens

    5 out of 5 stars
    Reviewed on 9/1/2025

    Very professional.

    5 out of 5 stars
    Reviewed on 8/31/2025

    Great doctor!!!!

    5 out of 5 stars
    Reviewed on 8/31/2025

    He seem very intelligent confident

    5 out of 5 stars
    Reviewed on 8/30/2025

    We find it Dr Lum ♥️♥️♥️ is very compassionate and caring and he shows empathy and takes his time with you and make sure that you understand what’s happening and that you don’t leave there without knowing what’s going on. And most definitely that if you have any questions at all anytime you can call him and you could be sure that he’ll call you back.

    5 out of 5 stars
    Reviewed on 8/29/2025

    He made me feel very comfortable discussing my concerns with him. He followed-up quickly on every order and/or change he suggested.

    5 out of 5 stars
    Reviewed on 8/28/2025

    Very comfortable to talk to.

    5 out of 5 stars
    Reviewed on 8/28/2025

    Very professional knows what he's doing

    5 out of 5 stars
    Reviewed on 8/28/2025

    Very good

    5 out of 5 stars
    Reviewed on 8/26/2025

    I trust Corey Lum with my health care. He makes himself available whenever I have a concern about my health. He’s an awesome doctor

    5 out of 5 stars
    Reviewed on 8/21/2025

    Awesome

    5 out of 5 stars
    Reviewed on 8/15/2025

    I just love him

    5 out of 5 stars
    Reviewed on 8/14/2025

    He has a wonderful bedside manner

    5 out of 5 stars
    Reviewed on 8/14/2025

    Dr. Lum listened to my questions, answered my questions and offered options while respecting my concerns.

    5 out of 5 stars
    Reviewed on 8/7/2025

    Dr. Lum has been my doctor for several years and he is always available to discuss any problems or treatment plan. One of the best and most caring doctors I’ve ever had.

    5 out of 5 stars
    Reviewed on 7/31/2025

    Dr. Lum’s care is exceptional and he always makes you feel that you are the most important person in the room

    5 out of 5 stars
    Reviewed on 7/11/2025

    EXCELLENT!

    5 out of 5 stars
    Reviewed on 7/10/2025

    Pauline H. is top notch

    5 out of 5 stars
    Reviewed on 7/10/2025

    Dr. Lum is not only “Very Good,” he is EXCELLENT! Beyond the best physician and cardiologist!!! So straightforward, yet he listens and explains everything in normal speak. And since I was surprised by my situation I had extra questions and he answered immediately and is just an amazing person as well as an amazing heart failure cardiologist. He is the BEST of the BEST!!!

    5 out of 5 stars
    Reviewed on 7/9/2025

    DR LUM is an awesome person and is easy to talk to

    5 out of 5 stars
    Reviewed on 7/4/2025

    Dr. Lum is professional and very knowledgeable as well as being a compassionate Doctor.

    5 out of 5 stars
    Reviewed on 7/4/2025

    Dr Lum listens, provides clear and concise information and I have full confidence in his care for me.

    5 out of 5 stars
    Reviewed on 7/2/2025

    Good job

    5 out of 5 stars
    Reviewed on 6/29/2025

    I wish I would have known Dr Lum a lot sooner, he is outstanding and very knowledgeable

    5 out of 5 stars
    Reviewed on 6/24/2025

    Dr Lum is always looking for anything to be more help full on my husband's condition .

    5 out of 5 stars
    Reviewed on 6/18/2025

    a caring and concerned MD

    5 out of 5 stars
    Reviewed on 6/14/2025

    I’m confident in his ability and understanding of my heart disease. My Doctor is professional and takes the time to listen to my questions or concerns.

    5 out of 5 stars
    Reviewed on 6/5/2025

    I like the fact that he's straight forward but also understanding and empathetic.

    5 out of 5 stars
    Reviewed on 6/5/2025

    Please with the follow up and the doctor knowledge of my condition

    5 out of 5 stars
    Reviewed on 6/4/2025

    Very enjoyable

    5 out of 5 stars
    Reviewed on 5/30/2025

    Always explains my current situation.

    5 out of 5 stars
    Reviewed on 5/26/2025

    One of the best Cardiologists I’ve seen

    5 out of 5 stars
    Reviewed on 5/26/2025

    Answers all the question being asked and listen to you

    5 out of 5 stars
    Reviewed on 5/24/2025

    Very good!!

    5 out of 5 stars
    Reviewed on 5/24/2025

    We really don’t want anyone else taking care of Robert at this point we love, Dr Lum ♥️♥️♥️

    5 out of 5 stars
    Reviewed on 5/21/2025

    Dr Lum provides exemplary care; plain speaker, listens well, 10 ratings above Very Good. He gives me HOPE.

    5 out of 5 stars
    Reviewed on 5/21/2025

    Excellent help very direct to the point and will explain everything to you I like his own Time personality Etc

    5 out of 5 stars
    Reviewed on 5/21/2025

    Dr. Lum listens to my concerns and adjusts the medications to assure stability with my health and advises how to reach him when I have any questions or concerns.

    5 out of 5 stars
    Reviewed on 4/21/2025

    Very pleased

    5 out of 5 stars
    Reviewed on 4/17/2025

    All was good.