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151 N. Michigan Avenue, Ste 913, Chicago, IL, 60601
7456 S. State Road, Suite 303, Bedford Park, IL, 60638

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Professional Statement

Dr. McMahan completed his undergraduate studies at the University of South Carolina majoring in biology with a minor in marine biology. Dr. McMahan received his M.D. degree from the Medical University of South Carolina. Following medical school, he continued his training at Northwestern University in Chicago where he completed a surgical internship and a residency in Otolaryngology–Head &Neck Surgery. He then completed a fellowship in Head and Neck Oncology sub-specializing in sinus cancer. Dr. McMahan is a board-certified Otolaryngologist and Fellow of the American College of Surgeons who has practiced medicine for more than 20 years. Since 1992, Dr. McMahan has been in private practice at Northwestern Nasal + Sinus specializing in nasal, sinus, allergy, sleep and snoring conditions. He has an in-house CT scanner and a specialty allergy lab. He is one of a few DAN (Divers Alert Network) physicians in Chicago and sees numerous scuba divers with ear and sinus problems.

Dr. McMahan is an Assistant Clinical Professor in the Department of Otolaryngology–Head and Neck Surgery at Northwestern University Medical School. He has served as a Course Director of Advanced Landmark Based Sinonasal Surgery, and on the faculty of international symposiums on sinus surgery and allergies. Since 1997, Dr. McMahan has served on the Board of Directors of the American In-Vitro Allergy and Immunology Society.

He is married to Lynn McMahan who has special interests in eco-green development and has been invaluable as a resource for counseling patients how to improve their environment at home and work.

*NOTICE DOCTOR DOES NOT SEE PATIENTS FOR EAR ISSUES*

Zocdoc Awards

Verified Patient Reviews

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Well organized, efficient. Doctor solved long time problem on first visit.

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Excellent visit. Discouraged walking in and hopeful walking out.

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Even though the wait time was long, Dr. McMahan had a great bedside manner and took the time to discuss everything in detail. He treated me like a friend not just another patient. The staff was friendly and kind as well. I enjoyed my visit.

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Dr Mcmahan is a genius and his staff are extremely competent and pleasant

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Good doctor, efficient. However, very long wait

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Absolutely the best and most thorough visit. Dr McMahan takes time with the patient and explains everything completely.

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Got right in and right out!

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v good

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Terrific. Professional and to the point always appreciated!!

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He is very good!!! Very knowledgeable

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In the last two weeks, Dr. McMahan's office cancelled and rescheduled my appointment four times. Once the appointment finally stuck, I sat in the waiting room for almost an hour. I don't doubt Dr. McMahan's capabilities, but the office experience was strange to say the least. For 15 minutes I sat waiting to take x-rays while the technician told me an inappropriate story about a woman and Dr. McMahan felt it was necessary to share something pretty personal (and off-topic) from his childhood. Less concerning, but still odd, the office is in a somewhat converted apartment, where I received a blood test in the kitchen/break room. I am confused by the positive reviews and wanted to keep an open mind, but because they keep cancelling my appointments I really don't have a choice.

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A very good visit with Dr. McMahan! A great bedside manner and had a lot of great tips to help my allergies in a daily environment. The wait was a little long, but I was a first time patient and needed to fill out some paperwork.

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Very attentive to my questions which made me feel very comfortable.

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The time with Dr. McMahan was better than with most other doctors. His office is less than elegant (2 residential units in a high-rise converted to a medical office). The appointment was interrupted for some lab tests. Then his staff didn't re-call me, i learned that they had filed my chart with the departed patients. But if you have the patience he does great for his patients.

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The doctor was very thorough and listened to my feedback to figure what I needed.

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I waited over 40 mins. for an appointment. That is my only complaint b/c once I spent time w. Dr. M. I was glad to be there and obtained a referral for additional diagnostic evaluation(s). He didn't simply 'treat a symptom' and send me on my way. He's genuinely interested in getting to the 'root' of the issue. How great is that?! Took me a while but glad I went.

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Very good doctor!!! Really knows what he is doing.

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My visit to Dr McMahon's office was probably the most positive experience I have ever had with a specialist...his assistant was also very helpful and very polite as well.

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Great place!! He even had me see another doctor in his practice to get a second opinion on my earache.

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Both the physician and clerical personnel were very efficient and nice. My only problem was that the online scheduling system says suite 302 when it is actually 303.

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I was very happy to receive all the great educated information Dr. McMahan gave me, he educated me on a lot to help make my life easier and healthier. I was very impressed with all I learned.

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even tho he was the person I needed to see..he was concerned about my wellbeing and sugested that I seek consoule with his partner that deals with the ear

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Dr. McMahan was very thorough and I would definitely recommend to anyone. The staff as a whole was fantastic.

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My visit was great and very informative!!

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Horrible service. Showed up early for my appointment and 45 minutes later I was still not the next patient. No one apologized, I was just told to sit and waut

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Dr. McMahan, was very down to earth and personable. I appreciate his vast knowledge regarding my treatment. I really hope this works.

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The doctor was fantastic, saw me very quickly and helped me out with my ear pain.

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He was not an expert in what my problem was, but he sent me to a doctor at Northwestern who was able to see me the same day. This was excellent. He did not charge me for coming to his office either. I would recommend anyone who need a ENT doctor to see Dr McMahan.

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The reception staff is super slow and unfriendly. I came in on a PPO, was seen by Dr. McMahan, and then told that he wasn't an expert on ear conditions and that I would have to come back to see Dr Clemis. So two visits, a ton of out of pocket cost, and waiting times of nearly an hour each time, I decided I'd put my PPO to work and find another doctor.

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Very Kind and Professional. Highly recommend!

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Very thorough and explains everything in detail.

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He's a leach just trying to make money off customers! King of 5 min consultations. Useless doctor. Never again

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Great experience !!!

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He told me the surgery will "help with my sleep apnea and snoring". I had to tell him, "well I don't have sleep apnea or snoring...so....?...". And he should have known that by looking in my file. It just made me feel like he was saying any random thing and wasn't specific of my needs. I felt unsure and as if he didn't know what he was talking about and was basically making things up. It made me veryyyy hesitant.

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He is great! Good at explaining things and makes you feel comfortable the entire time.

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Dr. McMahan and his front office staff are very personable. As long as you do your paperwork ahead of time, they'll get you in and out in no time.

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Great doctor, really nice person. I immediately felt comfortable and appreciate his efforts to put me at ease. Although my issue was not his specialty, he asked me questions so he could figure out who was best for me to see. Then he and his staff helped me to get in contact with that doctor and set up an appointment. That was just an added plus: the office staff was incredibly friendly and professional. Overall an excellent experience!

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Dr. McMahan was wonderful. He explained everything, gave me options and made sure I was confortae before I left his office. Great bedside manner, kind man, fabulous office staff. Best of the best (and I am reay picky).

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He was very helpful and nice!!!

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First visit and he was great. He was able to get me appointments for consultations that are just 10 days away instead of months. Friendly office staff. I will continue as his patient.

Zocdoc Find a Surgeon Illinois Chicago Surgeons Dr. John McMahan - MD, FACS