Jose G Oliva, MD - AHN Gastroenterology-Westmoreland at Nature Park

Samantha Buccina, PA-C, received her undergraduate training from University of Pittsburgh and received her graduate training at Marietta College PA program. She is board certified National Commission Cert Physician Assistant. Samantha specializes in medical oncology.

Visit Division of Pediatric Plastic Surgery located at 4401 Penn Avenue, Pittsburgh. This location is a plastic surgeon.

Carrie Ritenour, PA-CCarrie Ritenour is a certified physician assistant specializing in gastroenterology at AHN Medicine Institute. Her clinical interests include irritable bowel syndrome, inflammatory bowel disease, metabolic dysfunction-associated steatotic liver disease, and gastroesophageal reflux disease. A native of Westmoreland County, she focuses on building strong relationships with her patients.She holds a bachelor's degree in psychology, which helps her understand the interplay between mental and emotional factors and the mind-gut connection. She also earned a Master of Science in physician assistant studies from Seton Hill University in Greensburg, Pennsylvania. She is certified by the National Commission on Certification of Physician Assistants and is a member of the American Academy of PAs, the American College of Gastroenterology, and the Pennsylvania Society of Physician Assistants.Carrie sees patients aged 18 and up and speaks English.