MediFind found 7 doctor with experience in Eosinophilic Esophagitis near Altoona, PA. Of these, 5 are Experienced and 2 are Advanced.
UPMC Primary Care
Hassan Zammam, MD, is certified in internal medicine by the American Board of Internal Medicine. He practices at Blair Medical Associates, Station Medical Center and is affiliated with UPMC Altoona. He completed a fellowship at Allegheny University Hospitals, residency at Bon Secours Hospital, residency at Damascus University, and his medical degree at Damascus University Medical College. Dr. Zammam is rated as an Experienced provider by MediFind in the treatment of Eosinophilic Esophagitis. His top areas of expertise are Melorheostosis with Osteopoikilosis, Melorheostosis, Osteopenia, Colonoscopy, and Gastrostomy.
US Digestive Health
David Kerstetter is a Gastroenterologist in Altoona, Pennsylvania. Dr. Kerstetter is rated as an Advanced provider by MediFind in the treatment of Eosinophilic Esophagitis. His top areas of expertise are Swallowing Difficulty, Painful Swallowing, Diarrhea, Gastrectomy, and Gastrostomy.
UPMC Outpatient Center In Hollidaysburg
Matthew Straesser is an Internal Medicine provider in Hollidaysburg, Pennsylvania. Dr. Straesser is rated as an Advanced provider by MediFind in the treatment of Eosinophilic Esophagitis. His top areas of expertise are Allergic Rhinitis, Sinusitis, Grass Allergy, and Hives.
Ralph Mckibbin is a Gastroenterologist in Altoona, Pennsylvania. Dr. Mckibbin is rated as an Experienced provider by MediFind in the treatment of Eosinophilic Esophagitis. His top areas of expertise are Swallowing Difficulty, Painful Swallowing, Celiac Disease, Gastrectomy, and Endoscopy.
US Digestive Health
Ronald Brzana is a Gastroenterologist in Altoona, Pennsylvania. Dr. Brzana is rated as an Experienced provider by MediFind in the treatment of Eosinophilic Esophagitis. His top areas of expertise are Swallowing Difficulty, Painful Swallowing, Diarrhea, Gastrectomy, and Colonoscopy.
US Digestive Health
Edmond Bouassaf is a Gastroenterologist in Altoona, Pennsylvania. Dr. Bouassaf is rated as an Experienced provider by MediFind in the treatment of Eosinophilic Esophagitis. His top areas of expertise are Diarrhea, Trichohepatoenteric Syndrome, Painful Swallowing, Colonoscopy, and Gastrectomy.
Central PA Asthma & Allergy Care
Michael Davies is an Allergy and Immunologist in Hollidaysburg, Pennsylvania. Dr. Davies is rated as an Experienced provider by MediFind in the treatment of Eosinophilic Esophagitis. His top areas of expertise are Allergic Rhinitis, Sinusitis, Grass Allergy, and Nonallergic Rhinopathy.
Last Updated: 10/30/2025

