Mark Jonker, MD

Dr. Yonker is great!

My first encounter with Dr. Jonker was for an emergency appendectomy. He was the surgeon on that call that day and I'm so glad, as I later learned he was a bariatric surgeon. I wasn't too familiar with bariatric surgery so when I went for my appendectomy follow-up, I was able to ask some questions and get to know him better. In our later meetings, Dr. Jonker proved to be very kind, compassionate, patient, and he had a great way of explaining things so that I could understand the process of how a SADI-S worked. I had absolutely zero qualms about having this surgery with him using a robot-assisted machine. My follow-up care has been exactly as expected - wonderful. I lost 81% of my excess weight using the SADI-S, which was his ultimate recommendation based on my presentation. I've maintained the loss for three years now following his guidelines and my health has corrected itself substantially (as proven by bloodwork). Perhaps the initial appendectomy was the best thing to happen to me, as the ultimate result of it completely changed my life. Thanks to Dr. Jonker I am finally enjoying living life! I couldn't praise him enough for his skill and friendly bedside manner.

I do not answer surveys so for me to even respond to this says a lot Look foward to seeing all again

All interactions were a nice experience

This was just for a check up to the surgery, and this being my first surgery, could not have went more smooth. Happy with the whole staff.

Dr Jonker repaired my umbilical hernia. Everything turned out very well. I couldn't be more pleased with the way I was treated and his skill as a surgeon.

The provide/Dr. Jonker & staff were excellent.

Would recommend 100% with my experience so far.

I never felt rushed and all my concerns were addressed

Great job!

Dr. Jonker is an excellent bariatric surgeon, and best of all, very humble.

Outstanding experience!

Absolutely love the doctors and nurses at Trinity Health!!

Always thoughtful and cares for his patients

I was lucky to have Dr. Jonker do my emergency appendectomy. He explained everything and made me feel at ease. My follow-up visit was great. He answered all my questions and I feel he really cared about me as a person.

Always prepared and ready with answers.

The provider was courteous and understanding, never talked down to me

Dr. Jonker is caring and understanding. Listened will to my concerns. His staff is so helpful too.

Excellent surgeon, I've had an excellent outcome, would 100% recommend!

Very nice people!

Dr Jonker and his team are the best

I've had nothing but excellent experiences with Dr. Jonker. His calm and collected demander is very relatable for me and makes me feel comfortable. I love that I never feel rushed with Dr. Jonker, either. I feel listened to and respected, and we always have plenty of time to go over questions, which I never feel silly for asking. 10/10 would recommend.

I love that I never feel rushed with Dr. Jonker, I feel listened to and respected.

Warm and genuinely concerned

Good bedside manner

Very happy with care i received.

Overall great surgeon/doctor.

I would recommend anyone I love to go to Trinity. The care I received was bar none!

Dr is very personable

I am happy and grateful for the oportunitty to have the procedure with them.

Dr.Jonker is an outstanding physician, I am extremely pleased with all my direct contact with him. I am unhappy with others in his office