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


  • Cardiology

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) 123 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.

Mar 20, 2023
I always look forward to seeing Dr. Knowlton.
Mar 11, 2023
Dr. Knowlton is excellent
Feb 21, 2023
Feb 21, 2023
Enjoyed the meeting with Dr. Knowlton and discussion
Feb 13, 2023
Dr Kirk Knowlton is amazing! So knowledgeable- truly one of THE BEST hearts Drs out there - and he really cares. Couldn't ask for more.
Feb 7, 2023
I like the care and concern of my doctor.
Jan 18, 2023
Very good
Jan 18, 2023
Very good
Jan 4, 2023
Clinic tends to be fairly aggressive in their treatment recommendations, but include me in the decision-making process.
Dec 20, 2022
Already have recommended this doctor.
Dec 20, 2022
Superior doctor in knowledge and personable nature. Polite and endearing. Thorough. Just a wonderful person.
Dec 10, 2022
Outstanding patient care! Highly recommend Dr Knowlton!
Oct 16, 2022
The doctors nurses need to communicate better with each other. Doctorcabd nurses were very attentive and caring while working with me. Just forgot me in the room.
Oct 10, 2022
Oct 10, 2022
Sep 26, 2022
Outstanding physician
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
Very professional in every way
Sep 3, 2022
Absolutely superb- I was very impressed!
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
May 15, 2022
Excellent care
May 7, 2022
May 7, 2022

Practice Location

Intermountain Heart Institute Heart and Lung Specialty Clinic

5121 S Cottonwood Street Murray, UT
Call for Hours
Provider's Main Location
Accepting new patients
Accepting SelectHealth Insurance Plans