Dr. Brian Crenshaw, MD

Supervising Physician

Dr. Brian Crenshaw graduated from Louisiana State University in 2003 with a B.S. degree in Biological Sciences and in 2005 with a M.S. degree in Toxicology. In 2010, he earned a Doctor of Medicine degree from the LSU Health Science Center before preforming his 4-year residency in anesthesiology at the University of Texas Health Sciences Center.

A member of the American Society of Anesthesiologists, and the Louisiana Society of Anesthesiologists, Dr. Crenshaw stays on top of medical discoveries and demonstrates an immense passion for his patients and their well-being. In his spare time. Dr. Crenshaw enjoys spending time with his wife and five children.


Melinda Heiligmann

Nurse Practitioner 

Melinda graduated from the Mount Carmel College of Nursing with her bachelor’s in nursing in 2007. She spent her time as an RN in Emergency Departments in Central Ohio. After obtaining her Master’s in Nursing in 2014, Melinda has been practicing both in Central Ohio and the Seattle areas mostly in urgent care settings. She comes to Ohio Advanced Medical with a lot of hands on practical knowledge and a love for caring for people in pain without the use of narcotics.

Melinda has many loves outside of work including her four boys, Buckeye football and the Columbus Blue Jackets. She lives with her family in Galena. Melinda is an avid reader and is an amateur potter and photographer.



Office Manager 

Keshia leads the office by example as her social skills and devotion to the practice translate into unmatched patient care. She takes pride in helping patients with any questions or concerns that may arise.

Keshia grew up in the Madison County area, where she currently resides with her husband and two children. Outside of the office, she enjoys traveling with her family and friends, hiking, and cheering on her Buckeyes!

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Patient Care Assistant 

Brooke has the enthusiasm, smile and relaxed attitude that our patients appreciate. Brooke helps assist with answering phones, scheduling appointments, and being there for anything patients may need during their visit.


Brooke grew up in Williamsport and is currently residing in London, OH. Outside of the office,Brooke spends her time with her two sons (Gage and Colt). She enjoys horseback riding, fishingand bowling.



Medical Assistant

Amanda comes to our office with over 15 years of experience in the medical field. Amanda’s medical experience includes medical assisting, geriatric care, pharmacy technician, billing and coding, insurance verification and much more. She is a great addition to our team and is involved with assisting our providers and over all patient care within our office. She is committed to dedicating and providing outstanding personal care for all of our patients during their visits.   

Amanda currently resides in the Madison County area with her husband and 2 children. Outside of the office she enjoys watching her kids sporting events and is on the sales committee for her counties 4H. She also enjoys spending time with her family and friends.

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Medical Assistant 

Randi is full of energy and enjoys building relationships with patients. Randi helps assisting with treatments, biopsies, and other services. She is efficient and takes pride in helping our patients with their needs.

Randi grew up in Prospect but currently lives in Columbus. While not in the office, Randi spends her time watching her two sons (Anthony and Paxton) play hockey and baseball. She also enjoys visiting her family and friends on the weekends.