Marc Unterman, MD
Interventional Cardiology
Piedmont Heart of Lawrenceville
766 Walther Road, Suite 100
Lawrenceville, GA 30046 Directions
4.9 out of 5
2,835 verified ratings
2,835 Ratings, 847 Comments
The following ratings and reviews are based on verified feedback collected from independently administered patient experience surveys. The ratings and comments submitted by patients reflect their own views and opinions. Patient identities are withheld to ensure confidentiality and privacy.
Nov 20, 2025
Great!
Nov 17, 2025
He’s thorough and I always enjoy talking with him. He is a trip!
Nov 12, 2025
Great
Oct 30, 2025
Excellent
Oct 25, 2025
GREAT DR.
Oct 21, 2025
great experience
Oct 7, 2025
Very knowledgeable and sincere doctor.
Oct 7, 2025
He listened to my concerns and addressed them
Oct 7, 2025
Same as previous question. He was great.
Oct 6, 2025
Explaining in simplistic terms is refreshing.
Oct 3, 2025
Very Good
Oct 2, 2025
Very informative. Tells you exactly what is going on.
Oct 2, 2025
Like I said previously, he’s a wonderful man and is dedicated to patient needs and does it without lectures or anything negative.
Oct 1, 2025
Hes a great dr and leaves you feeling confindant when you leave. Hes a wonderful dr.
Sep 30, 2025
Great visit. Answered all my questions.
Sep 29, 2025
Excellent 😍😍
Sep 29, 2025
Great Dr.
Sep 26, 2025
Great doctor!
Sep 24, 2025
Very clear plan of action.
Sep 23, 2025
He is very nice and explained everything .
Sep 23, 2025
Remembered me from previous visit before Piedmont Heart.
Sep 19, 2025
Go over my results and explain the findings. Ask if I have any questions! Ask about how am I doing overall. Talk to me about what I need to do to help with my current situation. Talk to me about what might be going on with me.
Sep 18, 2025
Dr Unterman is brilliant, explains things well, and tells the truth.
Sep 18, 2025
Very thorough and very personable
Sep 17, 2025
Listen to my questions and concerns and answered by questions
Sep 17, 2025
Marc is very professional and knowledge and tell you everything
Sep 16, 2025
He is very helpful and understanding
Sep 5, 2025
Very good appointment. Everyone was very nice. Marc Unterman M.D
Has been my heart doctor for about 8 years. He is the best.
Sep 4, 2025
Very passionate, compassionate and kind.
Professionally, he is one of the best in his field, you feel that you are in good hands.
Sep 3, 2025
He is very knowledgeable and takes time to listen to my concerns. I always feel better after my visit with him.
Sep 2, 2025
Dr Unterman was most thorough and open to all my questions. I have complete trust in him and his ability to take care of me.
Sep 2, 2025
Very informative
Great physician
Sep 2, 2025
He's one of the nicest Dr's I've ever met!!!
Sep 2, 2025
Good doctor.
Aug 27, 2025
Best doctor ever! Wish there were more like him!
Aug 26, 2025
Nice. Took good care of me. Ran test to see what the problem was. Didn’t make me wait.
Aug 20, 2025
He is very personable. So easy to understand and talk to.
Aug 19, 2025
Great
Aug 8, 2025
Always talked to us as a friend and explained and answered all of our questions..
Didn’t not rush in and out took time with us
Aug 8, 2025
Marc Unterman has been a life saver. Under his care for 10 years, I am a healthier 75 year old female for it
Aug 7, 2025
He is understanding and communicative.
Aug 7, 2025
He always takes his time and listen and appreciate that in any doctor
Aug 6, 2025
Great heart doctor
Aug 6, 2025
He's extremely knowledgeable and treats me with care and respect.
Aug 5, 2025
It was great! He is very easy going and understanding.
Aug 5, 2025
Mark is always attentive and always upbeat
Aug 5, 2025
He is the best !!!
Jul 29, 2025
Concerned about our health, friendly.
Jul 29, 2025
Answered all my questions. Felt very comfortable with doctors answers.
Jul 23, 2025
He listened and was very friendly and courteous. This office is extremely efficient .