Nathaniel Weathington, MD, PhD, specializes in pulmonology and is certified in internal medicine, pulmonary disease, and critical care medicine by the American Board of Internal Medicine. He practices at UPMC Somerset, UPMC St. Margaret, and UPMC Bedford. Dr. Weathington is affiliated with Pulmonary Consultants - UPMC. He completed his medical degree at the University of Alabama School of Medicine at Birmingham. Dr. Weathington is rated as an Advanced provider by MediFind in the treatment of Pneumonia. His top areas of expertise are Pneumonia, Asthma, Cerebral Hypoxia, and Lung Metastases.

Heather Hanzlik is a primary care provider, practicing in Internal Medicine in Natrona Heights, Pennsylvania. Dr. Hanzlik is rated as an Experienced provider by MediFind in the treatment of Pneumonia. Her top areas of expertise are Hypothyroidism, Obesity in Children, Glucose-Galactose Malabsorption Deficiency, and Glucose Phosphate Isomerase Deficiency. Dr. Hanzlik is currently accepting new patients.

Dominick Defrances is a primary care provider, practicing in Internal Medicine in Natrona Heights, Pennsylvania. Dr. Defrances is rated as an Experienced provider by MediFind in the treatment of Pneumonia. His top areas of expertise are Glucose-Galactose Malabsorption Deficiency, Glucose Phosphate Isomerase Deficiency, Congenital Sucrase-Isomaltase Deficiency, and Pneumonia. Dr. Defrances is currently accepting new patients.

Chad Shaffer is a primary care provider, practicing in Family Medicine and Internal Medicine in Leechburg, Pennsylvania. Dr. Shaffer is rated as an Experienced provider by MediFind in the treatment of Pneumonia. His top areas of expertise are Diabetic Nephropathy, Sitosterolemia, Glucocorticoid-Remediable Aldosteronism, and Familial Hypertension.

Thomas Litz is a primary care provider, practicing in Internal Medicine in Leechburg, Pennsylvania. Dr. Litz is rated as an Experienced provider by MediFind in the treatment of Pneumonia. His top areas of expertise are Cerebral Hypoxia, Low Potassium Level, Gitelman Syndrome, and Hospital-Acquired Pneumonia.

Vicky Leo is a primary care provider, practicing in Internal Medicine in Leechburg, Pennsylvania. Dr. Leo is rated as an Experienced provider by MediFind in the treatment of Pneumonia. Her top areas of expertise are Sitosterolemia, Hypertension, Glucocorticoid-Remediable Aldosteronism, and Familial Hypertension.

Daniel Bubenheim is a primary care provider, practicing in Family Medicine in Leechburg, Pennsylvania. Dr. Bubenheim is rated as an Experienced provider by MediFind in the treatment of Pneumonia. His top areas of expertise are Familial Hypertension, Hypertension, Glucocorticoid-Remediable Aldosteronism, and Generalized Tonic-Clonic Seizure.

Danny Palmieri is a primary care provider, practicing in Internal Medicine in Leechburg, Pennsylvania. Dr. Palmieri is rated as an Experienced provider by MediFind in the treatment of Pneumonia. His top areas of expertise are Hypertension, Familial Hypertension, Glucocorticoid-Remediable Aldosteronism, and Multiple Carboxylase Deficiency.

Andrew Adams is a primary care provider, practicing in Internal Medicine in Leechburg, Pennsylvania. Dr. Adams is rated as an Experienced provider by MediFind in the treatment of Pneumonia. His top areas of expertise are COVID-19, Type 2 Diabetes (T2D), Hypothyroidism, and Guillain-Barre Syndrome.

Joseph Martinez is a primary care provider, practicing in Family Medicine in Leechburg, Pennsylvania. Dr. Martinez is rated as an Experienced provider by MediFind in the treatment of Pneumonia. His top areas of expertise are Hypertension, Glucocorticoid-Remediable Aldosteronism, Familial Hypertension, and Maturity Onset Diabetes of the Young.

Alfred Burgo is a primary care provider, practicing in Internal Medicine in Leechburg, Pennsylvania. Dr. Burgo is rated as an Experienced provider by MediFind in the treatment of Pneumonia. His top areas of expertise are Down Syndrome, Hypertension, Familial Hypertension, and Glucocorticoid-Remediable Aldosteronism.

Marina Rezk is a primary care provider, practicing in Internal Medicine in Leechburg, Pennsylvania. Dr. Rezk is rated as an Experienced provider by MediFind in the treatment of Pneumonia. Her top areas of expertise are Type 2 Diabetes (T2D), Gitelman Syndrome, Low Potassium Level, and Maturity Onset Diabetes of the Young.

Mohan Patel is a primary care provider, practicing in Geriatrics and Internal Medicine in Vandergrift, Pennsylvania. Dr. Patel is rated as an Experienced provider by MediFind in the treatment of Pneumonia. His top areas of expertise are Type 2 Diabetes (T2D), Familial Hypertension, Glucocorticoid-Remediable Aldosteronism, Hypertension, and Endoscopy.

Michael Ong is a primary care provider, practicing in Internal Medicine in Vandergrift, Pennsylvania. Dr. Ong is rated as an Experienced provider by MediFind in the treatment of Pneumonia. His top areas of expertise are Maturity Onset Diabetes of the Young, Hypertension, Bronchitis, Endoscopy, and Hip Replacement.

Fidel Velez is a primary care provider, practicing in Family Medicine in North Apollo, Pennsylvania. Dr. Velez is rated as an Experienced provider by MediFind in the treatment of Pneumonia. His top areas of expertise are Pachyonychia Congenita, Pneumonia, Flu, and Gout.

David Yuan, MD, MS, is a family medicine and geriatric physician, dual-certified by the American Board of Family Medicine. He is the director for the UPMC St. Margaret Geriatric Fellowship Program. Dr. Yuan received his medical degree from Jefferson Medical College and completed his residency at Chestnut Hill Family Practice. He completed his fellowships in geriatrics and faculty development at UPMC and completed a Master of  Medical Education at the University of Pittsburgh. Dr. Yuan’s clinical interests include health care for the older population in the community and educating learners in geriatrics. He is a member of the American Academy of Family Physicians, American Geriatrics Society, Pennsylvania Medical Society. Dr. Yuan is membership chair of the Pennsylvania Geriatrics Society - Western Division. Dr. Yuan lives in Point Breeze, near Pittsburgh, with his wife and two daughters. He is an avid runner and enjoys playing soccer. View the full list of Dr. Yuan’s publications on PubMed. Dr. Yuan is rated as an Experienced provider by MediFind in the treatment of Pneumonia. His top areas of expertise are Alzheimer's Disease, Dementia, Prolidase Deficiency, and Vascular Dementia.

David Shin is a primary care provider, practicing in Internal Medicine in Natrona Heights, Pennsylvania. Dr. Shin is rated as an Experienced provider by MediFind in the treatment of Pneumonia. His top areas of expertise are Transient Familial Hyperbilirubinemia, Thyroid Dysgenesis, Congenital Hypothyroidism, Colonoscopy, and Endoscopy.

Elie Francis is a primary care provider, practicing in Internal Medicine in Natrona Heights, Pennsylvania. Dr. Francis is rated as an Experienced provider by MediFind in the treatment of Pneumonia. His top areas of expertise are Hypertension, Familial Hypertension, Glucocorticoid-Remediable Aldosteronism, Familial Combined Hyperlipidemia, and Hip Replacement.

Surinder Bajwa is a primary care provider, practicing in Internal Medicine in New Kensington, Pennsylvania. Dr. Bajwa is rated as an Experienced provider by MediFind in the treatment of Pneumonia. His top areas of expertise are Breast Cancer, Familial Hypertension, Hypertension, Gastrostomy, and Hip Replacement.

Mitchell Patti is a Pulmonary Medicine provider in Kittanning, Pennsylvania. Dr. Patti is rated as an Advanced provider by MediFind in the treatment of Pneumonia. His top areas of expertise are Cerebral Hypoxia, Lung Metastases, Chronic Obstructive Pulmonary Disease (COPD), and Pneumonia.