Director of radiation oncology at AHN Cancer Institute at Hempfield, Dr. Ulewicz provides patients with comprehensive and advanced radiation oncology care. Dr. Ulewicz has expertise with administering low-dose rate and high-dose rate interstitial and intracavitary implants, stereotactic radiosurgery, and image-guided radiation therapy. Dr. Ulewicz earned his medical degree from Wayne State University School of Medicine in Detroit, Michigan, and completed... Read More about Dennis E Ulewicz, MD

Chirag Shah, MD Chirag Shah, MD, is a radiation oncologist and the division chair of Radiation Oncology at AHN Cancer Institute. He has extensive experience using radiation to treat patients with a variety of cancers, tailoring treatment plans to meet each individual’s needs. Dr. Shah specializes in radiosurgery and stereotactic body radiotherapy, with clinical interests in breast cancer, sarcoma, and... Read More about Chirag Shah, MD

Mathew Van Deusen, MD Mathew Van Deusen, MD, is a thoracic surgeon with AHN Cardiovascular Institute, specializing in advanced surgical care for conditions affecting the heart, lungs, and other areas of the chest cavity. His expertise in esophageal surgery focuses on addressing conditions such as cancer, gastroesophageal reflux disease (GERD), Barrett’s esophagus, and hiatal hernia, as well as various swallowing... Read More about Mathew A VanDeusen, MD

Adam L. Johnson, MD Adam L. Johnson, MD, is a general surgeon, specializing in breast surgical oncology. His expertise encompasses a wide range of surgical procedures, and he is dedicated to providing compassionate, high-quality surgical care. His clinical experience includes minimally invasive techniques for patients with breast disease. Dr. Johnson went to medical School at Boston University School of Medicine.... Read More about Adam L Johnson, MD

Emily Fazio, PA-C Emily Fazio, PA-C, is a surgical physician assistant specializing in minimally invasive surgery and endoscopic therapy for esophageal cancer, Barrett’s esophagus, esophageal motility disorders, and gastroesophageal reflux disease. Her clinical interests include swallowing disorders, dysplasia, laryngopharyngeal reflux, gastroparesis, paraesophageal hernia, Zenker’s diverticulum, and diverticular disease. Emily earned both her bachelor’s degree in health sciences and her Master... Read More about Emily Fazio, PA-C

Dr. Pallavi is a medical oncologist specializing in solid tumors including breast and colorectal malignancies (cancer). She sees patients with benign hematologic conditions. She provides patients with advanced chemotherapy and other medications to give them the best possible results and a high quality of life. Dr. Pallavi received a medical degree from K.J. Somaiya Medical College and Research Center in... Read More about Ranjita Pallavi, MD

Samantha Falls, DO Samantha Falls, DO, is a general surgeon with AHN Surgery Institute. She is skilled at performing a variety of general surgical procedures throughout various parts of the body. Dr. Falls applies best-practice techniques to help ensure long-term patient outcomes. She went to medical school at Edward Via College of Osteopathic Medicine in Blacksburg, Virginia and did her... Read More about Samantha Falls, DO

Chelsea Ledgerwood, DO Chelsea Ledgerwood, DO, is a pulmonary and critical care medicine physician with AHN Medicine Institute. She is skilled at EBUS bronchoscopy, transbronchial biopsy, and diagnostic bronchoscopy. Dr. Ledgerwood has clinical interest in sarcoidosis, COPD, asthma, interstitial lung disease, pulmonary fibrosis, dyspnea, and bronchiectasis. She went to medical school at Edward Via College of Osteopathic Medicine in Blacksburg,... Read More about Chelsea Ledgerwood, DO

Stephanie Baltaji, MD Stephanie Baltaji, MD, is an interventional pulmonologist with AHN Medicine Institute. She specializes in lung cancer diagnosis, bronchoscopy, rigid bronchoscopy, pleural disease, and tracheal stenosis. She went to medical school at University of Balamand Medical School in Koura, Lebanon. Dr Baltaji did her residency at Allegheny Health Network in Pittsburgh, Pennsylvania. She did her fellowship in interventional... Read More about Stephanie Baltaji, MD

Sumit Saini, MD is a urologist with AHN Surgery Institute, specializing in the male and female urinary tract and male reproductive organs, with a focus on patients with bladder or prostate cancer, kidney stones, urinary tract infections, and other disorders. He is skilled at robotics and minimally invasive urology. He also performs Aquablation for BPH (enlarged prostate). Dr. Saini went... Read More about Sumit Saini, MD

Nicholas Wiemer, DO Nicholas Wiemer, DO, is a rheumatologist specializing in the diagnosis and treatment of a wide range of inflammatory and autoimmune conditions. His expertise encompasses ankylosing spondylitis, arthritis, including osteoarthritis, rheumatoid arthritis, psoriatic arthritis, and gout, lupus, myositis, polymyalgia rheumatica, scleroderma, and vasculitis. He went to medical school at Lake Erie College of Osteopathic Medicine. Upon completion of... Read More about Nicholas D Wiemer, DO

Lindsey Heidelbach, CRNP Lindsey Heidelbach, CRNP, is a nurse practitioner specializing in pulmonary critical care and sleep medicine. Her clinical interests focus on the critical treatment of acute and chronic respiratory diseases, as well as sleep-related disorders. Lindsey earned her registered nurse diploma from Mercy Hospital School of Nursing in Pittsburgh, Pennsylvania, her Bachelor of Science in Nursing from California... Read More about Lindsey Heidelbach, CRNP