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Meet The Doctors

Dr. Ralph Kuhn


Dr. Ralph Kuhn, a Pittsburgh native, is a graduate of the University of Pittsburgh School of Dental Medicine and served in the U.S. Navy Dental Corp before starting practice in Butler, Pa.  He has been practicing for over 40 years and has served various community organizations and local government commissions.  Dr. Kuhn has taken numerous continuing education courses and stays on the leading edge in Dentistry. When not practicing, Dr. Kuhn is active in numerous Butler community organizations, traveling, biking, golfing, and spending time with his wife, four sons, and five grandchildren.

Dr. John Beall


Dr. John Beall was raised in Cabbage Flats, PA and received his B.S. degree from Waynesburg College, followed by two years of service in the U.S. Army.  He then attended West Virginia University where he received his M.S. degree; and completed his formal studies with a D.M.D. degree from the University of Pittsburgh School of Dental Medicine.  Dr. Beall has over 40 years of clinical dental practice in Butler, Pa.  He has been very active in youth sports and educational programs; furthermore, he continues to maintain a passion for excellence in dentistry by completing numerous hours of postgraduate education.

In his spare time, Dr. Beall is an avid hunter, lifelong Pittsburgh Pirates fan, and enjoys traveling with his wife to visit his four daughters, two sons, and twelve grandchildren.


Dr. Philip Mason


A native of Greenville, Pennsylvania, Dr. Philip Mason graduated Summa Cum Laude from Bucknell University.  He then attended the University of Pittsburgh School of Dental Medicine where he received his D.M.D. degree and was inducted into the OKU national dental honor society. Following dental school, he completed a general practice residency at York Hospital where he expanded his proficiency in the areas of endodontics, implants, pediatrics and special-needs patients, and oral surgery. He has further continued his implant studies at the Zimmer Institute in New Jersey. Dr. Mason participates in many continuing education programs to stay current on the advancements in all aspects of dentistry. He is a member of the American Dental Association, Pennsylvania Dental Association, Dental Society of Western Pennsylvania, and the Pittsburgh North Hills study club.

Outside of the office, Dr. Mason maintains a busy schedule that involves running, swimming, gardening, and spending time with his wife and two young sons.


Dr. Meghan Castillo


Dr. Castillo was born in Pittsburgh, PA and has been dedicated to dentistry from a young age. She earned her  dental degree from the University of Pittsburgh School of Dental Medicine while simultaneously earning her Masters Degree in Public Health. Dr. Castillo enhanced her training by completing a general practice residency at the Veterans Hospital of Pittsburgh. Prior to dental school, she graduated from the honors program at Boston College and dedicated a year of volunteer service to a low-income dental clinic in Pittsburgh. She is a member of the American Dental Association, Pennsylvania Dental Association, Dental Society of Western PA, OKU National Dental Honor Society, and is currently pursuing a fellowship in the Academy of General Dentistry.

Outside of dentistry, she is active in her church and loves cycling, hiking, and camping throughout Pennsylvania with her husband, Tomas.