Zachary R. Williams, MD
Cardiology
Highlights
Age Groups Seen
- Adult 19-64
- Older Adult >65
Gender
MaleHospital Affiliation
- St George Regional Hospital
- Cedar City Hospital
About Zachary R. Williams
About The Provider
Dr. Zach Williams is a cardiologist at Intermountain Health's Southwest Cardiology in St. George and Mesquite. He supports patients in these communities and treats and diagnoses a wide range of heart and vascular conditions. He is especially passionate about preventive cardiology and empowering patients to make lifestyle changes.
Dr. Williams graduated from the University of Utah School of Medicine in 2007. He then completed his cardiovascular disease fellowship at the University of Rochester in New York. He is board-certified by the American Board of Internal Medicine in Cardiovascular Medicine and practices in both hospital and clinic settings.
A native of Southern Utah, Dr. Williams enjoys running, road cycling, mountain biking, skiing, snowboarding, and water sports. He also enjoys reading, watching movies, and spending time with family and friends.
Locations
- St. George Cardiology Clinic
- 1380 East Medical Center Drive, Suite 1500, Saint George, UT 84790
- Get Directions
- phone: 435-251-2500
- fax: 385-297-2167
- Mesquite Clinic - Cardiology
- 786 West Pioneer Boulevard, Suite A, Mesquite, NV 89027
- Get Directions
- phone: 435-251-3570
- fax: 435-251-3501
Expertise
Education
- Fellowship: University of Rochester Medical Center, Cardiovascular Disease, 2013
- Residency: University of Utah Hospitals and Clinics GME, Internal Medicine, 2010
- Medical School: University of Utah, 2007
Board Certifications
- Cardiovascular Disease: American Board of Internal Medicine, 2013
Ratings & Reviews
5 out of 5
347 ratings, 35 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 2/12/2026
I felt he took my concerns seriously and explained them so I understood all my options.
- 5 out of 5 starsReviewed on 2/8/2026
He's a great doc. He was informative and a great listener. He heard us when we said we wanted to keep my 89 year old mothers' care as simple as possible. He educated us on the risks and benefits of the different possibilities of care for her various heart issues. We felt informed and included.
- 5 out of 5 starsReviewed on 1/23/2026
Listens, teaches resolves. Best Dr Ever.
- 5 out of 5 starsReviewed on 1/16/2026
My wife and I are both patients of Dr Williams, and he is the best!
- 5 out of 5 starsReviewed on 1/7/2026
Excellent doctor who listens and cares about patients
- 5 out of 5 starsReviewed on 12/26/2025
Very good good good doctor
- 5 out of 5 starsReviewed on 12/18/2025
Dr Williams is excellent
- 5 out of 5 starsReviewed on 12/12/2025
Dr Williams is very easy to communicate with. He is professional and thorough... He is articulate and explains things so I am able to comprehend what he is telling me about my situation... I have complete confidence in his decisions and the care I receive....
- 5 out of 5 starsReviewed on 12/11/2025
He has been Mt husbands cardiologist for the last 10 years. He has always been very thorough and caring.
- 5 out of 5 starsReviewed on 11/15/2025
He’s great!! See the earlier remarks.
- 5 out of 5 starsReviewed on 11/14/2025
Caring, listen well, answer questions, very pleasant and polite
- 5 out of 5 starsReviewed on 11/9/2025
Pleasant personality. Referred to chart of past records, test results, notes
- 5 out of 5 starsReviewed on 10/6/2025
Dr. Zac Williams has it all, very smart,very nice, very professional..the best...
- 5 out of 5 starsReviewed on 9/4/2025
Very professional
- 5 out of 5 starsReviewed on 9/4/2025
I'm happy with the care I receive from Dr Williams
- 5 out of 5 starsReviewed on 9/1/2025
He is aways willing to consult with us on matters that concern us...even if it takes additional time.
- 5 out of 5 starsReviewed on 8/29/2025
Very compassionate, pro active. Didn’t feel rushed. Explained what he felt was best treatment plan. Took time to answer questions
- 5 out of 5 starsReviewed on 8/24/2025
He’s the best!
- 5 out of 5 starsReviewed on 8/19/2025
Easy to talk to
- 5 out of 5 starsReviewed on 8/19/2025
Never feel rushed always feel that he genuinely cares about my health
- 5 out of 5 starsReviewed on 8/14/2025
Personable and puts us as ease, explains his plan for me in a way that makes sense
- 5 out of 5 starsReviewed on 8/13/2025
He is an excellent cardiologist !
- 5 out of 5 starsReviewed on 8/13/2025
Dr Williams is extremely knowledgeable and cares about the patient.
- 5 out of 5 starsReviewed on 8/12/2025
Amazing doctor!
- 5 out of 5 starsReviewed on 8/1/2025
Dr. Williams cares for me as a person.
- 5 out of 5 starsReviewed on 7/31/2025
I feel very comfortable with talking to him.
- 5 out of 5 starsReviewed on 7/24/2025
HE IS VERY KIND.
- 5 out of 5 starsReviewed on 7/17/2025
happy
- 5 out of 5 starsReviewed on 6/28/2025
personable and knowledgeable. I was impressed with the doctor
- 5 out of 5 starsReviewed on 6/27/2025
Very professional and knowledgeable..
- 5 out of 5 starsReviewed on 5/22/2025
I appreciate and trust Dr. Williams.
- 5 out of 5 starsReviewed on 5/7/2025
Excellent Cardiologist!
- 5 out of 5 starsReviewed on 5/7/2025
You couldn’t find a better cardiologist then Dr. Williams!
- 5 out of 5 starsReviewed on 5/5/2025
excellent
- 5 out of 5 starsReviewed on 5/1/2025
He really listens and has great knowledge.