Our Doctors

Dr. Dennis G. McKolosky


Dr. Dennis G. McKolosky is a chiropractor in Johnstown, Pennsylvania. He attended the Indiana University of Pennsylvania as well as the University of Pittsburgh for his undergraduate studies, earning bachelor’s degrees in health and physical education, and human biology. He went on to attend the National College of Chiropractic, from where he graduated as a doctor of chiropractic in 1986. Shortly thereafter, he started his own chiropractic clinic. For nearly 28 years, patients from the Johnstown community and surrounding areas have entrusted their care and that of family and friends to Dr. McKolosky.

Dr. McKolosky and his wife, Tyrene, have raised four children. In his free time, Dr. McKolosky enjoys spending time with family and friends, as well as riding his Harley. He is an avid golfer and enjoys playing every chance he gets. Dr. McKolosky is involved with many charities.

Dr. Nick McKolosky


Dr. Nicholas D. McKolosky is a chiropractor in Johnstown, Pennsylvania. He graduated from Westmont-Hilltop High School in 2006, where he played football, baseball, and hockey. In 2010, he graduated from Westminster College with a bachelor’s degree in biology. While at Westminster College, he continued his football career. He was a four-year starting tailback and became Westminster’s fifth all-time leading rusher. Following undergrad, Dr. Nick attended chiropractic school at Palmer College of Chiropractic Florida, graduating in 2013 with a doctor of chiropractic. While at undergoing his student internship, Dr. Nick provided free care to underprivileged patients associated with the Salvation Army. He also treated an Olympic medalist while at the Palmer campus clinic. He has been at McKolosky Chiropractic since January of 2014.

Dr. Nick is an avid Pittsburgh sports fan, and enjoys attending as many games as possible. When he’s not attending games or watching them on television, he enjoys playing sports, exercising and cooking. Dr. Nick likes spending time with his family and friends- especially his wife Emily, daughter Brynn and family dog Sophie. He has been involved with Habitat for Humanity many times.

Dr. Chad Schmidt


Dr. Chad C. Schmidt is a chiropractor originally from Philadelphia, Pennsylvania, who currently resides in Johnstown, Pennsylvania. Dr. Chad is a husband, father, brother, and son of two chiropractors. As a second-generation chiropractor, Dr. Chad grew up with chiropractic as a big part of his life and it is something he is very passionate about. He went to Upper Dublin High School, followed by Pennsylvania State University, majoring in Kinesiology. While at Penn State, he played lacrosse for the university's club team. After PSU, Dr. Chad moved to Atlanta, Georgia, where he attended Life University, and graduated with his Doctorate of Chiropractic in 2014. While in school, Dr. Chad focused on Pediatric Chiropractic and Sports Chiropractic.

After Chiropractic College, he moved to Johnstown, PA and married his wife Julie. They expanded their family with a son, Remington and more recently, daughter Presley. Dr. Chad is a family orientated person who enjoys traveling, watching sports, and competing in anything with friends and family. Dr. Chad has been part of the McKolosky Chiropractic team since April of 2016.

Dr. Mariah Kasun


Dr. Mariah K. Kasun is a chiropractor originally from Pittsburgh, Pennsylvania. Dr. Mariah went to North Catholic High School where she participated in softball, volleyball, basketball, and crew. Being active in sports, Dr. Mariah learned her love for chiropractic and natural healing of everyday injuries and illnesses. She went on to attend the Pennsylvania State University where she studied Dietetics and graduated with a Bachelor of Nutritional Sciences. Dr. Mariah proceeded to attend chiropractic school at Palmer College of Chiropractic Florida and graduated with a Doctorate of Chiropractic in 2016.

After chiropractic college, Dr. Mariah worked in Colorado, Virginia, and greater Washington D.C. before returning to Pennsylvania. Her focuses in practice have been muscle rehabilitation and nutritional counseling. Dr. Mariah has been with McKolosky Chiropractic since January of 2019, and now lives locally. In her spare time, Dr. Mariah enjoys cooking, spending time with family, watching Penn State sports, following her favorite Pittsburgh teams, and hiking with her fiancé Patrick and dog Landon.

Our Staff

Steph Huntsman


Tye McKolosky


Lisa Phillips


Brenda Rogalla