Meet Mark J. Kortebein, DDS
Milwaukee Oral Surgeon
Dr. Kortebein has been practicing Oral and Maxillofacial Surgery since 1991. He has been chosen multiple times as one of the best oral and maxillofacial surgeons in the Milwaukee’s Lifestyle Magazine survey of dentists in the Milwaukee area.
A native of Wisconsin, Dr. Kortebein graduation from Whitefish Bay High School and Ripon College. In 1987, he graduated Cum Laude from Marquette University School of Dentistry, earning his Doctor of Dental Surgery. While at Marquette University, Dr. Kortebein was recognized for his excellence in the dental profession by election into the Omicron Kappa Upsilon National Dental Honor Society and by receipt of the Outstanding Achievement Award from the American College of Dentists.
Dr. Kortebein completed his residency training in the specialty of Oral and Maxillofacial Surgery at Indiana University Medical Center in 1990. Immediately following his oral surgery training, Dr. Kortebein completed an intensive one-year fellowship in Craniofacial & Orthognathic Surgery at Baylor University Medical Center in Dallas, Texas with nationally renowned surgeon, Dr. Larry M. Wolford, D.D.S. Dr. Kortebein was honored for his contributions to education by the American Association of Oral and Maxillofacial Surgeons (AAOMS) and for his contributions to AAOMS lobbying efforts in Washington, D.C. He is board certified by the American Board of Oral and Maxillofacial Surgery and has ACLS certification.
Dr. Kortebein is a member of numerous professional organizations including the American Association of Oral and Maxillofacial Surgeons, the American College of Oral and Maxillofacial Surgeons, the Wisconsin Society of Oral and Maxillofacial Surgery, the American Dental Association, the Wisconsin Dental Association, the Greater Milwaukee Dental Association and the Greater Milwaukee Society of Oral and Maxillofacial Surgeons. He is also a past president of the Greater Milwaukee Dental Association.
Dr. Kortebein enjoys spending time with his wife Carolyn and their four children, following their athletic, musical and dramatic endeavors. He also enjoys golfing and traveling.

Oral Surgery Associates of Milwaukee, S.C.
Patient Testimonial
Excellent service. Staff very friendly.
- Pamela J
Patient Testimonial
Consistently amazing how quick, easy, and painless they have helped me, both in surgery and reception. Highly recommend!
- Josh W
Patient Testimonial
Doctor, nurse and staff were efficient and clear as to what was going to happen both before and after the extraction.
- Howard P
Patient Testimonial
Two extractions. The doctor and assistant were very informative and the procedure was very efficient. The whole process exceeded expectations. The office also had all Covid-19 precautions in place. I would highly recommend this dental group.
- Richard S
Patient Testimonial
Great surgery! Very friendly and quick!
- Andrew S
Patient Testimonial
Great experience! Dr. Kortebein and Michelle made me feel very comfortable.
- Erika P
Patient Testimonial
Everyone was great. I feel comfortable and informed. I recovered quickly with no complications. My experience was better than I imagined it would be.
- Heidi R
Patient Testimonial
Great experience, and you are able to reach the doctor after you go home if needed
- Anonymous
Patient Testimonial
professional and kind. had the best time one can have while getting teeth extracted.
- Anonymous
Patient Testimonial
The experience was well. I would recommend!
- Dajana B
Patient Testimonial
Very nice doctor and staff
- Marlee K
Patient Testimonial
Very friendly staff and doctor. Put me at ease about the procedure. Very professional.
- Angela J
Patient Testimonial
My visit with Dr. Kortebien was better than I could have hoped for. I was scheduled within one day of my referral. The Dr. And his assistant Linda made my experience as palatable as possible, and my recovery was practically overnight. Thank you very much for a great experience!
- Gene R
Patient Testimonial
Sue made my experience calm and pleasant. The Dr. also knew what he was doing. It calmed my nerves and it was a very doable experience. I would come back again.
- Alexis L
Patient Testimonial
This was my first visit to OSA and was very impressed with the staff&Dr. Kortebein. Dr. Mark was very informative on my procedure and made me feel very at ease with the extraction of my tooth. I would give OSA a 5 star revue and glad I found them.
- Diane K
Patient Testimonial
Amazing job, made my daughter feel safe and comfortable! 10/10 recommend.
- Analiese S
Patient Testimonial
My experience at oral surgery associates Oak Creek was great, from the desk staff to Dr. Kortebein. And a special thanks to Linda the dental assistant who was very kind, and helped to keep me calm and comfortable.
- Christine S
Patient Testimonial
Awesome staff
- Daniel R
Patient Testimonial
Thank you all for taking such good care of my daughter. The staff was very friendly and professional. Everything was explained thoroughly and I was put at ease as a parent. Thank you all!
- Sharlen M
Patient Testimonial
I had a really good experience. The staff is very friendly and extremely helpful. They made me feel comfortable with my procedure and helped me afterwards.
- Rose O