Physician, Assistant Professor
Primary Care - General Internal Medicine
Department: Internal Medicine
I am a board-certified internal medicine physician at The Ohio State University Wexner Medical Center. I specialize in primary care and preventive medicine, helping patients manage chronic conditions and maintain overall wellness. My patients can rely on me for high quality, compassionate care and honest communication in every encounter.
I collaborate with a multidisciplinary team of skilled experts to ensure each patient receives personalized care tailored to their unique needs and values. In addition to my clinical responsibilities, I am passionate about educating and mentoring the next generation of providers.
I am a clinical assistant professor of Internal Medicine at The Ohio State University College of Medicine.
Please note: Not all physicians schedule patients at each listed location.
The overall patient satisfaction rating is an average of all patient responses to the six doctor communication related questions shown below from the Clinician and Group Consumer Assessment of Healthcare Providers and Systems survey. For additional information about the patient satisfaction survey, please visit our Patient Satisfaction Survey page.
The comments are submitted by patients and reflect their view and opinions. The comments are not endorsed by and do not necessarily reflect the views of Ohio State Wexner Medical Center.
At The Ohio State University Wexner Medical Center, we support a faculty member’s research and consulting in collaboration with medical device, research and/or drug companies because a faculty member’s expertise can guide important advancements in the practice of medicine and improve patient care. In order to provide effective management of these relationships, the University requires annual disclosures from all faculty members with external interests related to their University responsibilities.
As of 11/3/2025, Mary Wirtz has reported no relationships with companies or entities.
Dr. Wirtz is the best physician I have ever had - she is fabulous.
Knowledgeable, smart, caring
They are amazing caring and friendly
The provider was kind and informed, answering my concern and taking care to check my health for anything I had mossed
My physician and I go way back and I like being able to see someone I have worked with for a time. I also can text her via My Chart with questions and someone Is good about getting back with me relatively quickly.
Dr. Wirtz is an excellent provider. I highly recommend her to anyone looking for a PCP. Even though she was running a few minutes behind, she never made me feel rushed and took her time to talk to me and explain everything in a way I understood.
Great appointment Dr wirtz is very helpful
Her level headedness is refreshing.
Thorough, relatable, interested in my immediate and long term health and wellness.
High professionally care
My doctor is wonderful and caring. I feel very comfortable with her.
Every part of my visit was excellent. Dr Wertz is an excellent physician.
No bad experience
Good good
I want this provider to care for my health until I pass!!!
Dr Writz is a great doctor. She listens and helps you come up with a good plan.
Professional, friendly, concerned, did not rush me
I had a wonderful, informative and positive experience with Dr Mary Wirtz. Dr Wirtz is very knowledgeable, experienced and overall an excellent doctor. She is a friendly and caring person.
Outstandingly caring and competent physician
Best experience she is the best