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Mark Jonker, MD

Mark Jonker, MD

Provider Ratings

4.9 out of 5 (171 ratings)

Speaks

Languages

English

Provider Groups

  • Bariatric Provider Group

  • Trinity Health IHA Medical Group

Primary Contact

(517) 545-6011
Schedule Online
Appointments (New Patients Welcome)
Schedule Online
Provider Groups

  • Bariatric Provider Group

  • Trinity Health IHA Medical Group

Primary Contact
(517) 545-6011
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Locations & Contact

Primary Location

Trinity Health IHA Medical Group, General Surgery - West Arbor

4350 Jackson Rd
Ste 350
Ann Arbor , MI 48103

View hours
Monday
8:00am - 5:00pm
Tuesday
8:00am - 5:00pm
Wednesday
8:00am - 5:00pm
Thursday
8:00am - 5:00pm
Friday
8:00am - 5:00pm
Trinity Health IHA Medical Group, General Surgery - West Arbor
(517) 545-6011 View Details

Trinity Health IHA Medical Group, General Surgery - Genoa

2305 Genoa Business Park Dr
Ste 120
Brighton , MI 48114

View hours
Monday
8:00am - 5:00pm
Tuesday
8:00am - 5:00pm
Wednesday
8:00am - 5:00pm
Thursday
8:00am - 5:00pm
Friday
8:00am - 5:00pm
Trinity Health IHA Medical Group, General Surgery - Genoa
(810) 494-6881 View Details
Schedule Online

Trinity Health IHA Medical Group, General Surgery - Livingston Campus

620 Byron Rd
Ste 1200
Howell , MI 48843

View hours
Monday
8:00am - 5:00pm
Tuesday
8:00am - 5:00pm
Wednesday
8:00am - 5:00pm
Thursday
8:00am - 5:00pm
Friday
8:00am - 5:00pm
Trinity Health IHA Medical Group, General Surgery - Livingston Campus
(517) 545-6011 View Details

Also Affiliated With...

About

Dr. Jonker is board certified in surgery by the American Board of Surgery. He completed a fellowship in minimally invasive and bariatric surgery at the University of Massachusetts Medical School in Worcester, Massachusetts and another fellowship in mucosal immunology and nutrition at the University of Wisconsin in Madison, Wisconsin. He received his medical degree from the Medical College of Wisconsin in Milwaukee, Wisconsin and completed his residency at the University of Wisconsin Hospital and Clinics in Madison, Wisconsin.

Insurances Accepted

  • Aetna Better Health Medicaid
  • Aetna Commercial ALL PLANS
  • Aetna Medicare Advantage ALL PLANS
  • BCBS of Michigan Federal / Traditional
  • BCBS of Michigan Medicare Advantage PPO
  • BCBS of Michigan PPO Commercial
  • BCN Medicare Advantage
  • BCN of Michigan HMO
  • BCN of Michigan M Premier Care HMO
  • Blue Cross Complete of Michigan - Medicaid
  • Cofinity (Network)
  • Colleague Health Plan
  • Community Care
  • HAP Alliance Health & Life Commercial
  • HAP Alliance Health & Life Medicare Advantage
  • HAP Empowered (Medicaid)
  • Humana Medicare Advantage ALL PLANS
  • McLaren Commercial ALL PLANS
  • McLaren Medicaid
  • McLaren Medicare Advantage ALL PLANS
  • Medicaid - Michigan
  • Medicare (Traditional)
  • Meridian Commercial ALL PLANS
  • Meridian Medicaid
  • Molina Medicaid
  • Multiplan PHCS (Network)
  • Physicians Health Plan (PHP)
  • Physicians Health Plan (PHP) Medicare Advantage
  • Physicians Health Plan (PHP) Michigan Cares Network
  • Priority Health / Cigna Commercial
  • Priority Health / Cigna Medicare Advantage
  • Priority Health Medicaid
  • Railroad Medicare
  • Tricare (Humana Military) Non-Prime Plans
  • TRICARE (Humana Military) Prime
  • United Healthcare Commercial ALL PLANS
  • United Healthcare Community Plan (Medicaid)
  • Veterans Affairs Community Care Network
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Conditions Treated

  • General Surgery
  • bariatric surgery
  • MBI

Education & Certifications

Education

Fellowship:
University of Massachusetts Medical Center

Medical School:
Medical College of Wisconsin

Residency:
University of Wisconsin Hospitals and Clinics

Board Certifications

American Board of Surgery

Provider Groups

Bariatric Provider Group

Trinity Health IHA Medical Group

Provider Ratings

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. Learn More >

4.9 out of 5

(171 ratings)

The 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.

39 Reviews

12/02/2024

Great job!

11/04/2024

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

11/01/2024

Outstanding experience!

10/11/2024

Absolutely love the doctors and nurses at Trinity Health!!

10/07/2024

Always thoughtful and cares for his patients

09/21/2024

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.

08/19/2024

Always prepared and ready with answers.

08/01/2024

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

05/26/2024

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

04/09/2024

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

03/26/2024

Very nice people!

02/29/2024

Dr Jonker and his team are the best

02/06/2024

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.

02/05/2024

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

01/22/2024

Warm and genuinely concerned

01/02/2024

Good bedside manner

12/22/2023

Very happy with care i received.

12/11/2023

Overall great surgeon/doctor.

12/04/2023

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

11/30/2023

Dr is very personable

11/28/2023

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

11/07/2023

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

05/24/2023

Very caring and supportive. Went above and beyond when I had an emergency a few years back. I drive an hour to see him because he is exceptional

04/23/2023

Dr. Jonker is friendly and doesn't mind answering my questions. He never seems annoyed and treats me with genuine courtesy.

04/18/2023

Very caring bedside manner, hard to find these days!

04/16/2023

Dr. Jonker is top tier.

03/29/2023

Just want to thank the Ann Arbor office for saving me a lot of tears

03/24/2023

They did move me up when my concerns for a summer vacation, The staff was amazing.

03/21/2023

Explained everything Great!!

03/19/2023

Staff is excellent and as a team this provider is the very best.

03/11/2023

We have plan on future surgery.

03/08/2023

Dr Jonker and staff have been great... and I am happy with the whole experience and especially the weight loss I have had so far!

03/07/2023

I loved everything about this provider!

03/03/2023

My provider was extremely knowledgeable and compassionate about his work. He made sure I understood all the information and instructions I was given. His bedside manner was exceptional.

01/26/2023

Thanks for all you help and support!

01/22/2023

It has been a very positive experience, the staff and dr are very caring and positive.

01/20/2023

I reccomend him to anyone who is looking for a good doctor needing his skills!

01/20/2023

He seemed very knowledgeable, and realistic, took the time to listen and answer all my concerns.

01/17/2023

very happy with him
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Schedule Online (517) 545-6011

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