MediFind found 160 doctor with experience in Sitosterolemia near Sewickley, PA. Of these, 136 are Experienced, 20 are Advanced and 4 are Distinguished.
UPMC Heart And Vascular Institute At Passavant
Sam A. Buffer, Jr., MD, is a cardiologist and is certified in cardiovascular disease by the American Board of Internal Medicine. He is vice-chairman of the Cardiovascular Department at UPMC Passavant and is an assistant professor of Medicine at the University of Pittsburgh School of Medicine. He received his medical degree from the University of Pittsburgh School of Medicine and completed his residency at the University of Pennsylvania. He completed fellowships in cardiovascular disease at the University of Pennsylvania Johns Hopkins University. Dr. Buffer joined the UPMC Heart and Vascular Institute in 1995. His clinical interests include clinical cardiology and cardiac imaging. Dr. Buffer has published research about cardiac imaging and clinical cardiology and is a fellow of the American College of Cardiology. He is board certified in cardiovascular disease, echocardiography, and nuclear cardiology. He is a past recipient of the Excellence in Patient Experience Award. He is dedicated to providing quality cardiovascular care to his patients and educating medical students and training physicians. Dr. Buffer is rated as an Advanced provider by MediFind in the treatment of Sitosterolemia. His top areas of expertise are Heart Failure with Preserved Ejection Fraction (HFpEF), Coronary Heart Disease, Atherosclerosis, and Atrial Fibrillation.
Northern Medical Associates-UPMC
Hubert Shick, MD, is an internal medicine physician and certified in internal medicine by the American Board of Internal Medicine. Dr. Shick received his medical degree from Jefferson Medical College and completed his residency at Allegheny General Hospital. Dr. Shick's clinical interests include comprehensive health care with particular interest in prevention of heart disease and diabetes. Dr. Shick enjoys family, exercising, and traveling. Dr. Shick is rated as an Experienced provider by MediFind in the treatment of Sitosterolemia. His top areas of expertise are Multiple Carboxylase Deficiency, Folate Deficiency, Vitamin B12 Deficiency Anemia, and Sitosterolemia.
Northern Medical Associates-UPMC
Lori M. Bigi, MD, MS, is a primary care physician, board-certified in internal medicine by the American Board of Internal Medicine. She is clinical associate professor of medicine at the University of Pittsburgh School of Medicine. Dr. Bigi received her medical degree from the University of Pittsburgh School of Medicine, where she graduated with women’s highest honor. She completed her residency in internal medicine at UPMC Presbyterian. Dr. Bigi also is certified in lifestyle medicine by the American College of Lifestyle Medicine and has a master’s degree in human genetics. Dr. Bigi is rated as an Experienced provider by MediFind in the treatment of Sitosterolemia. Her top areas of expertise are Chronic Cough, Familial Hypertension, Glucocorticoid-Remediable Aldosteronism, and Hypertension.
Northern Medical Associates-UPMC
Bonnie Case, MD, is a primary care physician and certified in internal medicine by the American Board of Internal Medicine. Dr. Case received her medical degree from the Tulane Medical School where she also completed her residency and chief resident year. Dr. Case's clinical interests include preventive care and management of chronic illness. She is a member of the American College of Physicians. Are you already a patient of this provider and have a MyUPMC account? Log in to MyUPMC to schedule. Dr. Case is rated as an Experienced provider by MediFind in the treatment of Sitosterolemia. Her top areas of expertise are Melorheostosis with Osteopoikilosis, Melorheostosis, Osteopenia, and Gastroesophageal Reflux Disease (GERD).
Heritage Valley Multispecialty Group Inc
Stephanie Perry is a primary care provider, practicing in Internal Medicine in Sewickley, Pennsylvania. Dr. Perry is rated as an Experienced provider by MediFind in the treatment of Sitosterolemia. Her top areas of expertise are High Cholesterol, Osteoporosis, Postmenopausal Osteoporosis, and Melorheostosis.
Heritage Valley Multispecialty Group Inc
Justine Kostrub is a primary care provider, practicing in Family Medicine in Sewickley, Pennsylvania. Dr. Kostrub is rated as an Experienced provider by MediFind in the treatment of Sitosterolemia. Her top areas of expertise are Obesity, Obesity in Children, High Cholesterol, and Glucocorticoid-Remediable Aldosteronism.
Upmc Community Medicine Inc
Michele Matthews-Mlakar is a primary care provider, practicing in Internal Medicine in Sewickley, Pennsylvania. Dr. Matthews-Mlakar is rated as an Experienced provider by MediFind in the treatment of Sitosterolemia. Her top areas of expertise are Hypothyroidism, Obesity in Children, Idiopathic Edema, and Sitosterolemia.
Stephen Osmanski is a primary care provider, practicing in Internal Medicine in Coraopolis, Pennsylvania. Dr. Osmanski is rated as an Experienced provider by MediFind in the treatment of Sitosterolemia. His top areas of expertise are Enlarged Prostate (BPH), Colorectal Cancer, Familial Colorectal Cancer, and Hypertension.
Heritage Valley Multispecialty Group Inc
Amit Ladani is a Cardiologist in Leetsdale, Pennsylvania. Dr. Ladani is rated as an Experienced provider by MediFind in the treatment of Sitosterolemia. His top areas of expertise are Atrial Fibrillation, Familial Neurocardiogenic Syncope, Arrhythmogenic Right Ventricular Cardiomyopathy, and Fainting.
Heritage Valley Multispecialty Group Inc
Emily Guhl is a Cardiologist in Leetsdale, Pennsylvania. Dr. Guhl is rated as an Experienced provider by MediFind in the treatment of Sitosterolemia. Her top areas of expertise are Atrial Fibrillation, Aortic Valve Stenosis, Familial Neurocardiogenic Syncope, Arrhythmogenic Right Ventricular Cardiomyopathy, and Cardiac Ablation. Dr. Guhl is currently accepting new patients.
Heritage Valley Multispecialty Group Inc
Amy Harmasch is a primary care provider, practicing in Internal Medicine in Moon Township, Pennsylvania. Dr. Harmasch is rated as an Experienced provider by MediFind in the treatment of Sitosterolemia. Her top areas of expertise are High Cholesterol, Familial Combined Hyperlipidemia, Xanthoma, and Cirrhosis.
Stephen Tunick is a Cardiologist in Leetsdale, Pennsylvania. Dr. Tunick is rated as an Experienced provider by MediFind in the treatment of Sitosterolemia. His top areas of expertise are Atrial Fibrillation, Bicuspid Aortic Valve, Thoracic Aortic Aneurysm, and Familial Neurocardiogenic Syncope.
Anisa Yunus is a primary care provider, practicing in Internal Medicine in Mckees Rocks, Pennsylvania. Dr. Yunus is rated as an Advanced provider by MediFind in the treatment of Sitosterolemia. Her top areas of expertise are Sitosterolemia, High Cholesterol, Hashimoto Thyroiditis, Colonoscopy, and Ureteroscopy.
GMA/Koman & Kimmell Family Practice
Christopher G. Koman, MD, specializes and is certified in family medicine by the American Board of Family Medicine. He practices at GMA/Koman & Kimmell Family Practice and is affiliated with UPMC Passavant. Dr. Koman completed his residency and medical degree at University of Pittsburgh School of Medicine. Dr. Koman is rated as an Experienced provider by MediFind in the treatment of Sitosterolemia. His top areas of expertise are Muscle Atrophy, High Cholesterol, Seasonal Affective Disorder (SAD), and Dementia.
GMA/Northern Area Family Medicine
Kurt M. Heil, MD specializes and is certified in family medicine by the American Board of Family Medicine. He practices at GMA/Northern Area Family Medicine and is affiliated with UPMC Passavant. He completed his residency at Medical College of Virginia and medical degree at Thomas Jefferson University Medical College. Dr. Heil is rated as an Experienced provider by MediFind in the treatment of Sitosterolemia. His top areas of expertise are Alzheimer's Disease, High Cholesterol, Infant Hyperglycemia, Apoplexy, and Endoscopy.
Keystone Rehabilitation Systems Inc
Jennifer Colpo is a primary care provider, practicing in Family Medicine in Aliquippa, Pennsylvania. Dr. Colpo is rated as an Advanced provider by MediFind in the treatment of Sitosterolemia. Her top areas of expertise are Sitosterolemia, Generalized Anxiety Disorder (GAD), Glucocorticoid-Remediable Aldosteronism, and Hypertension.
Keystone Rehabilitation Systems Inc
Monica Farland is a primary care provider, practicing in Internal Medicine in Aliquippa, Pennsylvania. Dr. Farland is rated as an Advanced provider by MediFind in the treatment of Sitosterolemia. Her top areas of expertise are Monoclonal Gammopathy of Undetermined Significance (MGUS), Hashimoto Thyroiditis, Breast Cancer, and Obesity in Children.
Genesis Medical Associates, Inc.
Jesse Gabriel is a primary care provider, practicing in Family Medicine in Pittsburgh, Pennsylvania. Dr. Gabriel is rated as an Experienced provider by MediFind in the treatment of Sitosterolemia. His top areas of expertise are Dementia, Seasonal Affective Disorder (SAD), High Cholesterol, and Malnutrition. Dr. Gabriel is currently accepting new patients.
Franklin Park Family Practice-UPMC
Bridget O’Rourke, MD, is a family medicine physician and board-certified in family medicine by the American Board of Family Medicine. Dr. O’Rourke received her medical degree from Jefferson Medical College in Philadelphia and completed her residency at Latrobe Area Hospital. Dr. O'rourke is rated as an Experienced provider by MediFind in the treatment of Sitosterolemia. Her top areas of expertise are Relapsing Multiple Sclerosis (RMS), Sitosterolemia, Familial Hypertension, and Glucocorticoid-Remediable Aldosteronism.
UPMC Passavant
Uma Purighalla, MD, specializes in internal medicine and is board-certified by the American Board of Internal Medicine. She is affiliated with UPMC Passavant. Dr. Purighalla received her medical degree from the Medical College of Pennsylvania (now Drexel University College of Medicine) and completed her residency at Lenox Hill Hospital. Dr. Purighalla is rated as an Advanced provider by MediFind in the treatment of Sitosterolemia. Her top areas of expertise are Vitamin D Deficiency, Sitosterolemia, Multiple Carboxylase Deficiency, and Vitamin B12 Deficiency Anemia.
Last Updated: 10/30/2025







