
Mark W. Stolar, MD

Primary Specialty
Internal Medicine
Insurance
Insurance plans are subject to change. View insurance plans accepted at each hospital and by each NMHC physician group.Practice Focus Areas
- Adult Medicine
- Bone Health
- Diabetes
- Men's Health
- Osteoporosis
Education
- Medical Education:
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MD, University of Illinois at Chicago College of Medicine - 1979
- Residency:
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Advocate Health Care (Advocate Lutheran General Hospital) - 1982
- Fellowships:
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McGaw Medical Center of Northwestern University - 1984
Board Certifications
- American Board of Internal Medicine (Certified)
- American Board of Internal Medicine - Endocrinology, Diabetes & Metabolism (Certified)
Faculty Profile
Clinical Associate Professor, Feinberg School of MedicinePractice Groups and Affiliations
- Medical Group:
- Northwestern Medicine Regional Medical Group
- Physician Category:
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Northwestern Medicine Physician NetworkNorthwestern Medicine Regional Medical Group
- On Medical Staff At:
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Huntley HospitalMcHenry HospitalWoodstock Hospital
Ratings and Reviews
At Northwestern Medicine, our patient’s feedback is important to us. While different care providers have their own unique strengths, we strive to be as transparent as possible with our quality of care.
Read Ratings FAQsOverall rating
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Friendly & Courteous5.0 star star star star star
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Will Recommend to Others5.0 star star star star star
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Clear Explanations5.0 star star star star star
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Shows Concern5.0 star star star star star
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Includes You In Decisions5.0 star star star star star
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Explains Medications5.0 star star star star star
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Follow-Up Instructions4.9 star star star star star
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Easy to Understand5.0 star star star star star
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Time Spent With Patient4.9 star star star star star
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Confidence in Doctor5.0 star star star star star
Reviews from Patients
October 19, 2019
Dr. Stolar is the best internist we've ever had. I've been coming to see him since late 90's or early 2000. I forget. I've recommended him to several of my friends and my husband is now a patient of Stolar's also. Everyone I've recommended loves him.
September 29, 2019
Dr. Stolar is the model of what an outstanding physician should be and is. He had been treating for over 30 years and he is outstanding. Students can learn a great deal from him in the areas of patient care and technical knowledge.
September 26, 2019
Again, Dr. Stolar manages to maintain a personal connection that is often lacking in the health care field these days. Always very good, attentive, and interested in his patients. Willing to answer questions and provide substantive answers.
August 16, 2019
Dr. Stolar always has me feeling as if he knows what he is doing, cares about my health, and not only answers my questions, but informs me of what I might expect given my age. Consummate professional and makes me feel as if he truly cares about my health. He is an asset to Northwestern!
July 11, 2019
i continue to trust dr stolar's judgment completely. i'm a conservative when it comes to my health needs and dr stolar is thorough and straightforward, but doesn't jump to unnecessary tests, which i greatly appreciate. he's a wonderful listener. always makes me feel like i'm the only one he's caring for that day. never rushed.
June 29, 2019
My confidence in Dr. Stolar and his staff couldn't be higher. I know that when I reach out to him through MyChart, his staff will know the importance of my message and I receive either a call-back from his Nurse, or a message through MyChart from Dr. Stolar within a very short time with instructions as to how to proceed.
April 23, 2019
I have known many Physicians over the years and Dr. Stolar is by far, the most outstanding. he is an excellent diagnostician, efficient, a great communicator, highly skilled, respectful and professional and brilliant. He truly cares about his patients, is always following up with them and gives 100% of his attention and focus to you when you are in his exam room. he truly goes above and beyond in every area.
March 17, 2019
Dr Stolar is a tremendous asset to Northwestern! He is the most talented and insightful physician I have ever known. As a diabetic living with PCOS, his specialty in endocrinology is paramount for understanding and treating my medical issues and helping to keep me on track.
March 12, 2019
Doc Stolar is EXCELLENT! He is great! Friendly, approachable, easy to be around and tell him your personal health concerns and issues - he's like a good friend that happens to be my doctor. He's very professional. And most importantly I trust him!!!!
March 01, 2019
Dr. Stolar is a doctor who treats the entire patient. He is kind, thoughtful, knowledgeable. He has given me excellent care for many years. He checks in about flu shots, previous problems, and understands my point of view. Don't let him retire.
February 08, 2019
Dr. Stolar is an excellent physician. He is very informative, friendly, and I would say he is exemplar as a Doctor. I feel like he is family. I would definitely recommend him to my friends and family, as well as the other Doctors he has referred me too, whom I am very pleased with as well.
January 21, 2019
Dr Stolar is at the 'top of my rankings' for care provider. I have seen over 6 specialists (all at NW) and it took Dr Stolar to 'pin point' and define the procedure needed to resolve all the intense pain I have been suffering.
November 23, 2018
Dr. Stolar has been my doctor for almost 20 years. I don't trust my healthcare to anyone else. I moved to Florida 3 years ago and return to Chicago a couple times a year just to Dr. Stolar. He is innovative, forward thinking and has never given up on me even when others have.
October 12, 2018
Dr. Stolar is a great doctor! He explains my medical concerns very well. He is always patient, kind, and knowledgeable. Dr. Stolar has been my doctor for many years and has helped me through many difficult medical problems. I have the utmost confidence in him.
September 23, 2018
Was seen 15 minutes before scheduled appointment!! Had long list of questions and issues. Was able to cover them all. Reached decisions I am comfortable with. Got a good referral for follow-up. He has always treated me like an equal part of my health care team.
September 09, 2018
Dr Stolar is a great doctor. He is patient & informative. I like that he's very aware of my meds & how they affect me. He is giving good ideas to control my diabetes & thyroid problems. I have told many people to give him a call. My thanks to him.
June 24, 2018
Dr Stolar is truly exceptional. His control of his schedule is unparalleled, but I've never felt rushed during an apt. He talks to me and not at me. I am involved in the discussion. He takes the health of his patients very seriously, but is a pleasure to meet with.
June 14, 2018
Dr. Stolar is by far leagues above most pcpHe has always been in the ballpark in his diagnosis and treatment of my health conditions . He is committed to having his patient on only medication that is necessary .My partner also sees him and feels the same .
May 03, 2018
Dr. Stolar is the best. Too bad all doctors are not like him. I wish you had an "excellent" rating. Most folks nervous going to doctor, he relaxes me. All around excellent care and concern. I've been with him for about 30 years, now my kids are seeing him. I know he gets me the best care.
April 09, 2018
I have been seeing Dr. Stolar for many years and he is always concerned about my well being beyond my immediate problem for which I am visiting. He knows my medical past and is always friendly and caring. I'm very blessed and glad that he is my doctor.
April 09, 2018
Dr. Stolar has been my primary care physician for many years. I have complete confidence in him. He is an exceptional doctor. He has vast experience and has a caring "bedside" manner. He is reassuring and definitive in his treatment plan and considers the entire patient and not just the symptoms.
March 26, 2018
I have been seeing Dr. Stolar for over 30 years and have recommend him to many--my husband, mothelemler, brother, friends, etc. If he has any problem it is that he is so loaded with patients, he cannot take on any ore!!! He is absolutely THE BEST111
March 09, 2018
Dr. Stolar is an extremely competent and compassionate human being; he serves Northwestern Medicine well. He is an avid listener, thinks out of the box and is intent upon coming to a legitimate diagnosis. Couldn't ask for a better physician.