Todd R. Fisher, M.D.

Dr. Fisher founded Todd R. Fisher M.D. Family Medicine in 2005. He is a graduate of Muhlenberg College and received his medical degree from Penn State University College of Medicine.

He completed his Family Practice Residency at Harrisburg Hospital and practiced at Family Medicine Center of Middletown until 2005. He is Board Certified with the ABFM.

Dr. Fisher and his wife Nancy live in Hummelstown. They enjoy five grown children and six grandchildren. Dr. Fisher is an avid golfer and Penn State fan.

Christopher C. Gregorich, PA-C

Chris joined our practice in 2006. He is a graduate of Middletown High school and received a Bachelor of Science degree in Kinesiology from the Pennsylvania State University.

His studies were continued at King's College where he earned a master's in Physician Assistant Science. He is Board Certified with NCCPA.

Chris and his wife Corrie live locally with two energetic daughters. He enjoys family time, the outdoors and is an avid Penn State fan.

Amy M. Casale, PA-C

Amy joined the practice in 2018. She graduated from Cumberland Valley High School and received her Bachelor of Science degree in Neuroscience from Dickinson College where she also participated on the Varsity Womens Soccer team.

Her Master of Science degree in Physician Assistant Studies was earned from Thomas Jefferson University in Philadelphia, PA. Amy is Board Certified with the NCCPA.

Amy lives locally and enjoys spending time with her husband and busy toddler. 

Mary Beth Karis, CRNP

We welcome Mary Beth to our practice in 2021. She is a certified nurse practitioner who specializes in family health. She completed both her Bachelor of Science degree in Nursing and her Master of Science degree in nursing at Wilkes University. She holds a national certification with the American Academy of Nurse Practitioners. Prior to working as a nurse practitioner, Mary Beth worked as an oncology nurse at Hershey Medical Center.

Mary Beth lives locally and enjoys working out, cooking, and spending time with her family and rescue dog, Buddy.