
Mark A. Lewis, MD
Hematology Oncology
Highlights
Age Groups Seen
- Adult 19-64
- Older Adult >65
Gender
MaleHospital Affiliation
- LDS Hospital
- Intermountain Medical Center
- Alta View Hospital
- Riverton Hospital
About
About The Provider
Locations
- Intermountain Health Cancer Center - Murray
- 5171 South Cottonwood Street, Suite 610, Murray, UT 84107
- Get Directions
- Phone: 801-507-3630
- Fax: 801-507-3640
- Intermountain Health Cancer Center - Alta View
- 9450 South 1300 East, Building 2, Sandy, UT 84094
- Get Directions
- Phone: 801-501-2155
- Fax: 801-501-2156
Expertise
Education
- Fellowship: Mayo Clinic Gonda Vascular Center, Hematology & Oncology, 2012
- Residency: Baylor College of Medicine, Internal Medicine, 2008
- Medical School: Baylor College of Medicine, 2005
Board Certifications
- Medical Oncology: American Board of Internal Medicine, 2012
Licensed States
- License ID: 61880, State: AZ
- License ID: CDR.0000818, State: CO
- License ID: 11633A, State: WY
- License ID: M-14082, State: ID
- License ID: 20159, State: NV
- License ID: 9903816-1205, State: UT
- License ID: MED-PHYS-COM-LIC-88982, State: MT
Reviews
5 of 5 stars
259 Ratings, 31 ReviewsThe 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.
- 5 out of 5 starsReviewed on 9/18/2026
Refreshing and thorough. Dr. Lewis took the time to send a my chart message after the lab work he ordered. Such a welcoming change from where I’ve been.
- 5 out of 5 starsReviewed on 9/18/2026
Dr. Lewis is the best! He is genuine and caring. And most importantly, he knows how to treat cancer!
- 5 out of 5 starsReviewed on 9/14/2026
Dr. Lewis is very kind and attentive. He listens carefully and answers all my questions. He explains every step of my treatment plan and options, making sure I understand by allowing me and my family members to take notes during our visits. He makes me feel comfortable during our consultations. I have never felt more at ease discussing my health concerns. I highly recommend him!
- 5 out of 5 starsReviewed on 9/13/2026
Life Saver
- 5 out of 5 starsReviewed on 9/4/2026
He is always there for me, willing to listen
- 5 out of 5 starsReviewed on 9/1/2026
Dr Mark is wonderful
- 5 out of 5 starsReviewed on 8/30/2026
Dr. Lewis knows the level of understanding I want when we go over labs. But first he wants to know how I am doing. He answers all my questions completely and I leave each visit feeling I have the knowledge to be comfortable with the issues I am dealing with.
- 5 out of 5 starsReviewed on 8/20/2026
He heads my oncology team and does a fantastic job.
- 5 out of 5 starsReviewed on 8/14/2026
I am very impressed by how passionate Dr. Lewis is about caring for my well-being and his amazing attention to the most fine detail in his explanation of treatment, images, charts and CT scans reports. I trust Dr. Lewis implicitly with my heath. I know I am in best hands within the ontological profession.
- 5 out of 5 starsReviewed on 8/14/2026
An exceptional doctor
- 5 out of 5 starsReviewed on 8/12/2026
It was a good experience
- 5 out of 5 starsReviewed on 8/11/2026
He is my favorite doctor ever!
- 5 out of 5 starsReviewed on 8/9/2026
He is very caring and always listens to me
- 5 out of 5 starsReviewed on 7/17/2026
Responses regarding Dr Lewis only gave top rating as very good. I would rate him as exceptional, excellent, outstanding… way beyond very good.
- 5 out of 5 starsReviewed on 7/12/2026
He is very good, very caring, knowledgeable, upfront about things.
- 5 out of 5 starsReviewed on 6/28/2026
He is like a Father to me.
- 5 out of 5 starsReviewed on 6/20/2026
Nice experience!
- 5 out of 5 starsReviewed on 6/17/2026
He is an extraordinary human being and highly experienced oncologist. My family came with me to the first appointment. He was honest, responsible and explained in easy terms what the treatments would be. I love having him as my doctor.
- 5 out of 5 starsReviewed on 6/16/2026
He knows medicine and uses that knowledge for me.
- 5 out of 5 starsReviewed on 5/28/2026
The top ratings listed do not go high enough. I rate Dr Mark Lewis above “very good”. I would rate him HIGHER if possible. He’s the BEST OF THE BEST in every category.
- 5 out of 5 starsReviewed on 4/23/2026
The best in his field
- 5 out of 5 starsReviewed on 3/23/2026
His knowledge and concern for my well-being is remarkable. I could not have a better oncologist.
- 5 out of 5 starsReviewed on 3/3/2026
Mark Lewis, MD, has saved my life. Along with his skills as an oncologist, he has the ability to lift patients and give them hope and optimism that literally takes away all of the fear, doubt, & skepticism that accompanies a pancreatic cancer diagnosis.
- No RatingReviewed on 2/23/2026
My trust in his compassion and understanding of my situation has no limitation.
- 5 out of 5 starsReviewed on 2/23/2026
Nothing left to say other than...he is absolutely the best.
- 5 out of 5 starsReviewed on 1/26/2026
He has been a comfort to us. Explaining everything in a relatable manner. With good information and understanding. Love him!
- 5 out of 5 starsReviewed on 12/25/2025
He was very concerned with my condition and wanted the best for me and my family. I trust him a lot.
- 5 out of 5 starsReviewed on 12/22/2025
Dr. Lewis has been a fantastic doctor. He is empathetic. He cares about me. He is always prepared. He gives great medical advice. He is super knowledgeable.
- 5 out of 5 starsReviewed on 12/21/2025
Dr Mark Lewis is the best.
- 5 out of 5 starsReviewed on 11/28/2025
He is always prepared to answer every issue I am encountering. I receive great strength from the fact that he too is a survivor of the same cancer I am currently overcoming.
- 5 out of 5 starsReviewed on 11/16/2025
He's actually the best there is.