Wang, Elisabeth, DO

Michael P Hahalyak, DODr. Hahalyak cares for individuals of all ages who have chronic conditions or are suffering acute illnesses or injuries. He is skilled at osteopathic manipulation and joint injections.After earning his degree at Philadelphia College of Osteopathic Medicine in Philadelphia, Pennsylvania, Dr. Hahalyak completed his residency at Shadyside Hospital, University of Pittsburgh Medical Center.Dr. Hahalyak sees patients at AHN Forbes Hospital.

Mark is a certified physician assistant (PA-C) who specializes in gastroenterology. He has special clinical interests in inflammatory bowel disease, irritable bowel syndrome, and gastroesophageal reflux disease. Mark sees patients 16 and older and is committed to educating patients and helping them make informed treatment decisions.He earned a bachelors degree in health sciences and a masters degree in physician assistant science from Gannon University. He is certified by the National Commission on Certifications of Physician Assistants. Mark is a member of the American College of Gastroenterology, American Academy of Physician Assistants, and Pennsylvania Society of Physician Assistants.