Mark J. Oertel, MD


A referral is required.

5.0 / 5 (Based on 339 Reviews)

Dr. Oertel, is a lifelong Kansan and avid Jayhawk fan.  He completed his higher education at the University of Kansas, his undergraduate studies, as well as his medical degree, internal medicine residency and endocrinology fellowship. Dr. Oertel is board certified in internal medicine and endocrinology.  He has been practicing in the Lawrence community since 2013. 

Doctor's Contact Information

  • Office Phone 785-505-5885

Medical Areas of Expertise


Education and Training

Medical Degree University of Kansas
Internship University of Kansas, Internal Medicine
Residency University of Kansas, Internal Medicine
Fellowship University of Kansas Medical Center, Endocrinology

Teaching or Professional Positions

Reed Internal Medicine Group 

Professional Memberships

American College of Physicians

American Association of Clinical Endocrinologist

Endocrine Society

University of Kansas Alumni Association, Life Member

Board Certified

Internal Medicine Board Certified

Endocrinology, Diabetes, and Metabolism Board Certified


    Provider also sees patients at:

  • Lawrence Endocrinology
    1130 W 4th St
    Suite 3201
    Lawrence, KS 66044
    Phone: Main 785-505-5885

Provider Review Comments

March 26, 2022
March 22, 2022
He was excellent! I would recommend him in a heartbeat. He listened to all my concerns. He throughly explained my blood tests and scans. Very personable.
March 19, 2022
Absolutely love Dr Oretell
January 04, 2022
Dr Oertel is one of my all-time favorite physicians. He listens carefully, answers all questions, provides useful information. He is courteous, gentle, kind, thoughtful. He is consistently the best. I recommend him highly.
January 02, 2022
Dr Ortel is excellent!
December 29, 2021
The doctor took his time listening to all my questions and answered them fully. He explained things in a way I could understand.
December 29, 2021
I drove all the way from Olathe to Lawrence and it was totally worth my drive to see this doctor. He was excellent!
December 28, 2021
Dr. Oertel is great! We did follow up for my scans and talked about my lab results and other medical problems. He and his staff listened and discussed all my current issues.
December 01, 2021
Dr. Oertel is very thorough in his explanations and always listens to my concerns.
December 01, 2021
I have recommended Dr. Oertel.
October 27, 2021
Dr. Ortel is very knowledgeable and caring. So glad he is our endocrinologist.
October 21, 2021
Dr. Oertel seemed concerned about my health and wants me to get the treatment I need in a timely manner.
October 05, 2021
Dr. Oertel just makes you feel comfortable and included. He's great.
September 11, 2021
Dr Oertel is always friendly and explains things clearly. He listens carefully and offers options for treatment.
September 06, 2021
Dr. Oertel has been my endocrinologist since he first came to Lawrence. Excellent Dr. Keep him happy.
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