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OrthoNOW Casper Team

Mindy Walden


Nurse Practitioner

Mindy has been a Casper resident for over half of her life. She has over 20 years of nursing experience and a passion for learning and advancing in the nursing field.


In her spare time, she loves spending time with her husband and two sons enjoying the outdoors: camping, skiing, boating, and traveling in and out of the state for soccer and hockey.


Breck Groskreutz


Physician Assistant

Breck is a native of Kearney, NE and attended the University of Wyoming and received his Bachelor of Science in Physiology in 2017. He received his Master’s in Physician Assistant Studies from Des Moines University in 2020. Following graduation, Breck returned to Wyoming and has spent the past two years working in Gastroenterology.

When not working, Breck enjoys playing softball, hiking, camping, fishing, skiing, spending time with his family and dog, watching college sports, and cheering on the Wyoming Cowboys.

Brandon Miller


Nurse Practitioner

Since Brandon was young, he has enjoyed helping others and being of service to his community. He achieved his undergraduate degrees here in Wyoming, including nursing degrees from Casper College and the University of Wyoming. He obtained his graduate nursing degree through Concordia University in Mequon, WI. ​

Brandon was born and raised in Wyoming, where he and his wife Lacy have chosen to raise their two wonderful and very active young children. They enjoy spending time together doing many of the outdoor activities that Wyoming has to offer including: hiking, biking, swimming, camping, traveling, and exploring.


Candy Leggett 


Imaging Director

Candy is a proud Wyoming native with close to 20 years of patient care and Radiology experience. She had previously worked with Dr. McGinley for several years helping with many of his different procedures offered and is very excited to be back working alongside him and the team.

Outside of work she has a wonderful husband and two beautiful little girls who keep her very active and busy.  The whole family loves anything outdoors but especially enjoys camping, fishing, and riding side by sides together exploring the many beautiful sights Wyoming has to offer.


Danielle Martensenn


Radiologic Technologist

Danielle Martensen joined the McGinley Clinic in August 2022. She recently graduated with her Associates from the radiography program at Casper College in May 2022. Danielle will be working as a rad tech in our imaging department. Her previous experience includes several years of customer service and working with children.

She has spent most of her life in Casper. In her time away from work, she has 2 boys who keep her very busy. 

Mandy Rivera


Radiologic Technologist

Mandy has been a Wyoming resident for nearly 18 years and a Casper resident since 2015. Graduating from Casper College, she has been working in radiology for over five years, specializing in computed tomography and CT guided procedures.  


In her time outside of Healthcare, Mandy enjoys helping her husband, James, with real estate, raising and selling healthy food options to their community, hunting, gardening and spending time with family.


OrthoNOW Gillette Team

Seth Taylor, PA-C

Physician Assistant

Seth moved to Gillette, WY with his wife Aisha. He graduated from Marietta College with a Bachelor of Science in Health Sciences and the Marietta College Physician Assistant Program in Marietta, OH. He served in the US Army as a Combat Medic for the 10th Mountain Division in Fort Polk, LA. He deployed to Afghanistan, served as a company medic for West Point, and as a line medic for the CAV. In his spare time, he enjoys college football, hockey, motocross, fishing, hiking, and spending time with his wife, his dog and cat. He and his wife are looking forward to becoming a part of the great communities here in Wyoming. 


Jen Pierce, MBA RT(R)

Gillette Office Manager

Jen is a Nebraska native that moved to Wyoming 29 years ago to work in Radiology. She has close to 15 years of patient care and Radiology experience as well at close to 15 years of Office Management experience.  She earned her MBA from the University of Mary while working full time in Radiology and Nuclear Medicine.  

Outside of work she has 3 grown children, a daughter and 2 sons. She also has 2 grandsons who keep her busy when she isn't working. 

Jaiden Anderson 


Radiologic Technologist

Jaiden grew up in Hay Springs Nebraska and moved to Casper for the radiography program and graduated in May 2024. She is excited to be able a part of this company after being the clinic's intern for a year.

Outside of work, she enjoys spending time out with her boyfriend and two dogs - spending most of the time in the mountains, at the lake, riding dirt bikes, or visiting family.

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