
Highlights
Age Groups Seen
- Infant 0-2
- Child 2-12
- Adolescent 12-21
- Adult 21-65
- Older Adult >65
Languages
- English
Gender
MaleAbout
Care Philosophy
I aim to deliver compassionate and comprehensive family healthcare, emphasizing prevention and early detection. I am dedicated to building relationships with patients and addressing all aspects of their health to promote a healthier, happier life.
Personal Statement
I grew up in the Wausau, WI, area and now live in Green Bay, along with my wife and children. In my spare time, I enjoy outdoor activities, such as hiking and hunting.
Clinical Interests
- Cardiology
- Preventative medicine
Video
Locations
- 555 Quality Court, Wrightstown, WI 54180
- Get Directions
- Phone: 920-532-6320
- Fax: 920-532-6269
- 595 County Road R, Denmark, WI 54208
- Get Directions
- Phone: 920-863-2005
- Fax: 920-863-3508
Expertise
Education
- BS-Physician Assistant: University of Wisconsin School of Medicine and Public Health, 1997
- Bachelor of Science: University of Wisconsin - Stevens Point, 1991
Board Certifications
- Physician Assistant: National Commission on Certification of Physician Assistants, 1997
Insurance
- Aetna-Medicare Advantage
- Allstate Benefits f/k/a Allied Beneifts
- Anthem Blue Cross/Blue Shield - HMO, PPO, Blue Priority, Medicare Advantage and Medicaid
- Aspirus Health Plan
- BCBS MI (Upper Peninsula clinics only)
- Care Wisconsin
- Children's Community Health Plan Medicaid and Marketplace
- Cigna
- CommonGround Healthcare
- Community Care Inc.
- Evernorth Behavioral Health
- Exceedent
- First Health
- Galaxy Health Network
- Health Partners - Robin
- Health Payment Systems
- Health Smart
- HealthEOS
- Humana/Choicecare - HMO, PPO and Medicare Advantage
- Inclusa
- Independent Care (ICare)-Medicare Advantage
- Lakeland Care
- Managed Health Services-Medicaid
- Medicare
- MI Medicaid (Upper Michigan and clinics in Wisconsin counties adjoining MI border)
- Molina Healthcare-Medicaid only
- Multiplan
- My Choice Wisconsin
- Network Health Plan - Commercial and Medicare Advantage
- Optum Behavioral Health
- Preferred One
- Security Health Plan - Medicaid
- Three Rivers Provider Network
- Tricare
- Trilogy - Commercial
- United Healthcare - HMO, PPO, UMR, Medicare Advantage, and Medicaid
- UPHP-Commercial, Medicaid (Upper Michigan and select Northern WI clinics)
- WEA Trust Preferred
- WI Medicaid
- WPS Health Insurance
- WPS Health Plan
- Zelis
Reviews
4.9 of 5 stars
204 Ratings, 30 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 7/22/2026
Very happy with my visit with Dr Mark. I knew the source of my pain when I left his office. That meant a lot to me.
- 5 out of 5 starsReviewed on 7/20/2026
I think my chart is hard to navigate through
- 5 out of 5 starsReviewed on 6/19/2026
Very good provider! Explains everything very well and is very thorough. I am very happy I found this provider.
- 5 out of 5 starsReviewed on 6/10/2026
He was very kind, he was professional, and he calmed my fears. He did not, however, tell me if I had additional issues, how to get back in touch with them. Thank you.
- 5 out of 5 starsReviewed on 6/1/2026
Care providers are very genuine and concerned and make me feel comfortable. Mark Dehnel is knowledgeable and professional and yet friendly and gives me his attention when he's with me.
- 5 out of 5 starsReviewed on 5/18/2026
I really like being able to utilize the Wrightstown office for my care.
- 5 out of 5 starsReviewed on 4/29/2026
I felt that the staff and the doctor and the nurses were excellent, friendly, caring. They treat you as a person, not a number. Thank you.
- 5 out of 5 starsReviewed on 4/20/2026
Very pleased with the entire staff. All friendly, helpful and professional.
- 5 out of 5 starsReviewed on 3/25/2026
All went well
- 5 out of 5 starsReviewed on 3/23/2026
Great experience
- 5 out of 5 starsReviewed on 3/4/2026
Love Mark Dehnel sits down and takes his time with his patients and explains things thoroughly to you.
- 5 out of 5 starsReviewed on 3/4/2026
I do feel extremely confident and that I'm in very capable hands with Mark Dehnel. He explains things so I can understand and he knows how to find the answers. The whole team that day was very welcoming and concerned. Can't say enough about how good this experience was and how they took care of me.
- 5 out of 5 starsReviewed on 3/4/2026
Personal and courteous
- 5 out of 5 starsReviewed on 3/2/2026
All was fine.
- 5 out of 5 starsReviewed on 2/23/2026
I need a team that I can trust. Mark Dehnel cares for me as a patient, is someone that I trust and takes the time to listen. He is the best. He has always correctly sent me to a speialist when needed. The Wrightstown Team is great and I appreciated Bellin being in Wrightstown.
- 5 out of 5 starsReviewed on 2/18/2026
A rather routine visit, but I appreciate how quickly I was seen and given not only my diagnosis but treatment options. All I could hope for, much appreciated.
- 5 out of 5 starsReviewed on 2/10/2026
Mark did an excellent job of explaining my issue and now I feel much more confident about it.
- 5 out of 5 starsReviewed on 2/11/2026
I don't know why we have to use your little iPads you can shove those where the sun don't shine it feels that we're doing more and more to get checked in and that in these texts have you arrived. And the emails a week or so out to check in I think that's all unnecessary there I said it
- 5 out of 5 starsReviewed on 1/12/2026
Mark and the Bellin crew always treat you with respect & kindness and make sure that you know what to do after. Best place to be when you need help.
- 5 out of 5 starsReviewed on 12/17/2025
Dr. Mark is very good at his job and he makes you feel very comfortable.
- 5 out of 5 starsReviewed on 12/15/2025
I've been with Bellin Wrightstown for many years due to the care team and especially Dr. Mark Dehnel. By far the best doctor I have had through the years.
- 4 out of 5 starsReviewed on 11/28/2025
They were very nice
- 5 out of 5 starsReviewed on 11/10/2025
Dr. Mark is the best
- 5 out of 5 starsReviewed on 10/28/2025
Mark is the best.
- 5 out of 5 starsReviewed on 10/27/2025
The doctor listened to my concerns and told me what to expect next.
- 5 out of 5 starsReviewed on 10/27/2025
Staff did excellent
- 5 out of 5 starsReviewed on 10/21/2025
Visit went as expected. Everything was great. All the people I encountered were polite and friendly.
- 5 out of 5 starsReviewed on 10/17/2025
Everything is excellent.
- 5 out of 5 starsReviewed on 10/13/2025
I like the dr and staff awesome
- 5 out of 5 starsReviewed on 9/18/2025
My husband and I both love our doctor, he explains and goes over any health issues in a kind and thoughtful manner.
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