Merritt Fajt, MD, specializes in allergy and immunology and is certified in allergy and immunology by the American Board of Allergy and Immunology. She practices at UPMC Presbyterian, UPMC Magee-Womens Hospital, UPMC Shadyside, UPMC Mercy, and UPMC East. Dr. Fajt is affiliated with University of Pittsburgh Physicians, Department of Medicine. She completed her residency at Penn State University College of Medicine and her medical degree at Temple University School of Medicine. Dr. Fajt specializes in treating patients with asthma and immunologic disorders. Dr. Fajt is rated as an Experienced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). Her top areas of expertise are Vocal Cord Dysfunction, Asthma, Angioedema, and Eosinophilic Asthma.

Andrej Petrov, MD, specializes in allergy and immunology and is certified in internal medicine and allergy and immunology by the American Board of Internal Medicine. He practices at UPMC Shadyside, UPMC Mercy, UPMC East, UPMC Magee-Womens Hospital, and UPMC Presbyterian. Dr. Petrov is affiliated with University of Pittsburgh Physicians, Department of Medicine. He completed his medical degree at the University Hospital of Belgrade. Dr. Petrov specializes in immunology and treating patients with allergies. Dr. Petrov is rated as an Experienced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). His top areas of expertise are Vocal Cord Dysfunction, Asthma, Angioedema, and Hives.

David Binion, MD, specializes in inflammatory bowel disease gastroenterology and gastrointestinal transplant surgery and is certified by the American Board of Internal Medicine. He practices at University of Pittsburgh Physicians, Department of Medicine, Division of Gastroenterology and is affiliated with UPMC Magee-Womens Hospital, UPMC Presbyterian, and UPMC Shadyside. He completed his medical degree at SUNY at Buffalo Jacobs School of Medicine and Biomedical Sciences. Dr. Binion is rated as an Experienced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). His top areas of expertise are Crohn's Disease, Viral Gastroenteritis, Colitis, Small Bowel Resection, and Colonoscopy.

A. Kim Ritchey, MD, is a pediatric hematologist/oncologist and is certified in pediatrics and pediatric hematology/oncology by the American Board of Pediatrics. He is vice-chair of International Affairs of the Department of Pediatrics at UPMC Children’s Hospital of Pittsburgh and is professor of pediatrics at the University of Pittsburgh School of Medicine. He received his medical degree from the University of Cincinnati School of Medicine and completed his pediatric residency at Johns Hopkins Hospital, followed by his fellowship in pediatric hematology/oncology at Yale University. Dr. Ritchey’s clinical interests include all aspects of pediatric hematology and oncology. His career focus is pediatric leukemia and coagulation disorders. He has numerous publications in peer-reviewed journals as well as book chapters and has presented both locally and nationally. He is a member of the American Society of Pediatric Hematology/Oncology where he served as president, as well as the American Society of Hematology, and the American Society of Clinical Oncology. Dr. Ritchey is rated as an Experienced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). His top areas of expertise are Childhood Pancreatitis, RASopathies, Infantile Neutropenia, and Mast Cell Activation Syndrome (MCAS).

Steven Abo is a Gastroenterologist in Pittsburgh, Pennsylvania. Dr. Abo is rated as an Experienced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). His top areas of expertise are Irritable Bowel Syndrome (IBS), Mast Cell Activation Syndrome (MCAS), Colitis, Endoscopy, and Colonoscopy.

Salman Fazal is a Hematologist Oncology specialist and a Hematologist in Pittsburgh, Pennsylvania. Dr. Fazal is rated as an Experienced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). His top areas of expertise are Acute Myeloid Leukemia (AML), Myelofibrosis, Aplastic Anemia, Bone Marrow Aspiration, and Bone Marrow Transplant.

James Deangelo is an Allergy and Immunologist in Pittsburgh, Pennsylvania. Dr. Deangelo is rated as an Experienced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). His top areas of expertise are Common Variable Immune Deficiency, Primary Immunodeficiency (PID), Allergic Rhinitis, and Mast Cell Activation Syndrome (MCAS).

Lindsay Ledwich is a Rheumatologist in Pittsburgh, Pennsylvania. Dr. Ledwich is rated as an Experienced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). Her top areas of expertise are Rheumatoid Arthritis (RA), Psoriatic Arthritis, Pediatric Autoimmune Neuropsychiatric Disorders Associated with Streptococcus Infections, and Light Chain Deposition Disease (LCDD). Dr. Ledwich is currently accepting new patients.

Robert Koschik is a primary care provider, practicing in Family Medicine in Mcmurray, Pennsylvania. Dr. Koschik is rated as an Experienced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). His top areas of expertise are Childhood Iron Deficiency Anemia, Iron Deficiency Anemia, Generalized Anxiety Disorder (GAD), and High Cholesterol.