Professional Summary


  • University of Utah - Salt Lake City, in Doctor of Medicine, 1984


  • Duke University Medical Center - Durham, in Internal Medicine, 1987


  • Fellowship in Cardiology from University Of California

Board Certifications

  • AM BD INTERNAL MEDICINE awarded in 09/15/1987

Professional Memberships

  • American College of Cardiology
  • American Heart Association
  • Heart Rhythm Society

Languages Spoken

  • English
  • Spanish

Verified Patient Ratings

The Patient Rating score is an average of all patient responses to physician related questions in the Press Ganey Medical Practice survey. Patients receive a survey to complete within 1-2 days of their physician visit. Responses are measured on a scale of 1 to 5, with 5 being the best score.

Patient Satisfaction

(4.8) 70 ratings

Verified Patient Comments

Comments also are gathered from the medical practice survey and displayed in their entirety. Patients are de-identified for confidentiality and patient privacy.

Sep 20, 2022
Dr. Knowlton is phenomenal! He takes time to answer questions, and he never makes me feel rushed. He has wonderful rapport and is very kind/gentle when talking about cardiac issues. He is such an example of excellence in his field. I cannot say enough good things about him.
Sep 20, 2022
Dr Knowlton and his entire staff were excellent to work with.
Sep 3, 2022
Absolutely superb- I was very impressed!
Sep 3, 2022
Very professional in every way
Jul 18, 2022
Love them...
Jul 12, 2022
Overall positive experience, though I don't know meant with cardiology concerns to recommend to.
Jul 12, 2022
Truly one of my best experiences receiving medical care.
Jun 15, 2022
Great care given .
May 17, 2022
Friendly and helpful
May 17, 2022
Friendly and nice
May 15, 2022
Excellent care
May 15, 2022
May 7, 2022
May 7, 2022
Apr 29, 2022
Really like Dr. Knowlton !!
Apr 12, 2022
Apr 12, 2022
Mar 22, 2022
Love Dr Knowlton
Mar 13, 2022
As you can see from all the very goods I was pleased with my Doctors clinic and have recommended him and his clinic to several of my family members.
Mar 10, 2022
Dr Knowlton is amazing
Mar 10, 2022
Will definitely recommend
Feb 23, 2022
Dr. Knowlton was amazing! He took the time to get to know us, was very personable, and was extremely thorough in his assessment. We feel so lucky to be working with him!
Jan 29, 2022
He is top of the line
Nov 9, 2020
A very positive experience provided by Dr. Knowlton and . They have gone the extra many miles for us. Much appreciate the care they give to us.
Jun 11, 2020
I have been impressed with the follow-up procedures. Drs., nurses & assistants call when they say they will.
May 31, 2020
I have never had a better team of doctors.

Practice Location

Intermountain Heart Institute Heart and Lung Specialty Clinic

5121 S Cottonwood St Bldg 1 Ste 500 Murray, UT
Mon 12PM - 3:30PM
Provider's Main Location
Accepting new patients
Accepting SelectHealth Insurance Plans