CompChoice Medical Staff

Dean K. Wampler, M.D., Medical Director at CompChoice Occupational Health Services


Dr. Wampler is Board Certified in Occupational Medicine. He is considered one of the leading Occupational Medicine physicians in the Midwest. Dr. Wampler has extensive clinical experience with emphasis on fitness for duty and return to work issues. He is proficient in comprehensive Occupational Medicine services. Dr. Wampler is Certified by the American Board of Independent Medical Examiners, is a Certified Disability Evaluator, and a Certified Medical Review Officer.




Darin Gregory, M.D.
, Medical Physician at CompChoice Occupational Health Services

Dr. Gregory 2017

Dr. Darin Gregory is board certified in Family Medicine.  He graduated from the University of Nebraska Medical Center in 2001.  He completed an accelerated Family Medicine residency program at UNMC as well.  He has experience in urgent care, rural family medicine, occupational medicine, clinical research and emergency medicine.  He is married with three children.  He enjoys hunting, exercising and spending time with his family.






Mary Flamme, PA-C, Physician Assistant at CompChoice Occupational Health Services

Mary is a graduate of the University of Nebraska College of Nursing and Physician Assistant Program. She has a background in family practice, Internal Medicine and occupational health. She has practiced in both rural and urban areas. When not at work, Mary enjoys spectator sports, reading, boating and traveling with her husband. One of her favorite things is to gather with family and friends.