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.
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.
All good
Attentive.
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
Dr. Wirtz is a terrific provider. She is thorough, down to earth, easy to communicate with and very kind.
Best PCP I've ever had.
The Best very understanding and compassionate!
The doctor Mary wirtz understands the problem I have
Dr wirtz is excellent
All good
Dr. Wirtz is amazing in my book! She always listens to what I have to say. We make a plan together. She always verifies if I need anything else before I leave and always reminds me to call the office or send her a MyChart message if I need anything else before!
Excellent! Listens, respectful. Connects with me as a person, while helping with my medical needs. Very personable and professional.
THE BEST!!! She listens to me and does a great job of explaining things so that I can understand.
Dr Wirtz is always thorough and professional.
Excellent experience. Dr. Wirtz asks questions and takes the time to listen. Is knowledgeable and proactive in referring to specialists. Very personable and professional.
Dr. Wirtz instills a great deal of confidence in her care of me.
Took good care of me
She is terrific, no-nonsense, has a good perspective on health in general. Really like her approach.
Always great. Responds quickly to MyChart and is very professional and attentive in person
Helpful
Dr. Mary is always easy to talk to and explains everything in a way that is easy to understand
She is wonderful. I am glad she is my doctor.
Dr. Wirtz is very knowledgeable, friendly, and discusses my concerns in a professional manner.
She answered all my questions and concerns , she went through my medical concerns , was pleasant , polite and professional.
Concerned about my wellbeing and improved health and positive reinforcement of changes that I have made in the last year.
Excellent! Knowledgeable, patient with my questions, explained answers, good conversation and I felt heard and safe
Dr. Wirtz is an exceptional provider. We are lucky to have her in the OSU family. She providers collaborative care and listens to the patient's concerns and considers their health goals when creating a care plan.
Never seems rushed although she probably has a time line to adhere to.
DR. WIRTZ IS AN EXCELLENT PROVIDER. SHE TAKES HER TIME TO EXPLAIN WHAT SHE IS DOING, WHAT THE RESULTS ARE WITHOUT ASKING ME, AND LISTENS/RESPONDS TO MY QUESTIONS.
Went well as expected
I absolutely love my provider. She has given me such care. I felt like I was her only patient. I felt that she really was technically equipped to handle everything in my health has improved since she became my doctor. I've lost 60 pounds and I feel so much better physically and emotionally. It is the best physician Patient Experience I've ever had!
She was so aware of why I was there, had thorough answers to my questions and offered great council
Very good listener
Dr. Wirtz was great! This was a visit to establish care as my previous PCP has left OSU. She is a hard act to follow but I am very pleased with Dr. Wirtz!
She literally goes above and beyond and treats you like a friend, not a number on an insurance table. She really cares about your overall life. I interviewed her before agreeing to have her as my PCP- BEST decision ever
Good - Had clearly reviewed my records prior the visit given some referenced made. Balanced advice and answered to all questions.
All good
Love Dr. Mary. She sits and seems like she will spend hours talking with me. Never in a hurry.
She is excellent -- compentent, empathetic
Dr. Wirtz is great
Very pleasant and patient. Took time to listen. I never felt rushed.
Dr. Wirtz spent ample time with me at this appointment reviewing my year of health issues, medications and test results.
Friendly and knowledgeable
Dr. Wirtz is also outstanding - a good listener, respectful, professional. I feel as if we are working together for the best outcome.
Excellent at discussing health and medicine
Dr. Wirtz has always been completely present during my visits. She's an important part of my health care team. We can decide on my course of care together, and I think it creates a better outcome.
She listened to me and asked questions. I felt that she really cared.
Dr. Wirtz is attentive, caring, and thorough. Very glad to have her as my primary care physician.
Both were excellent asked a lot of questions and addressed my concerns
She is nice and remembers our prior discussions
Wonderful care
Very respectful. Comfortable. Approachable.
Dr Wirtz is great, very caring! Listened to my concerns and thoroughly answered all my questions.
She was thorough and reviewed what I needed to do to stay healthy.
Dr. Wirtz is exceptional. She always takes the time to listen to my concerns and address them to the best of her ability
Dr Wirtz is absolutely awesome, very supportive with personal issues I'm experiencing, patient and explained new medications she recommended
I was happy to finally meet Dr. Wertz and appreciated that she is my PCP.
Excellent, very attentive very
Informative
Dr. Wirtz is a phenomenal provider. She is knowledgeable and personable. She is culturally sensitive and easy to discuss hard topics with.
Always attentive and cares
Kind, thoughtful, knowledgeable.
Professional and friendly
Very good. Seemed knowledgeable, listened patiently and gave good advice.
She was very kind and respectful
Always attentive and genuinely attentive
First time meeting new PCP - very impressed
Dr. Wirtz was attentive, professional, personable and problem-solving. Wonderful.
Dr. Mary Wirtz is the only doctor I want, she knows me and very caring person
Very personable and for first initial visit as a new provider for me, well versed in my medical history.
She answered all of my questions and treated me with kindness and respect.
Cordial, professional, good listener, attended to additional Issues discussed in my appointment.