Dr. Ralph R. Barnard

David Zelechoski is a primary care provider, practicing in Internal Medicine in Lewisburg, Pennsylvania. Dr. Zelechoski is highly rated in 20 conditions, according to our data. His clinical expertise encompasses Hypothyroidism, Obesity in Children, Glucocorticoid-Remediable Aldosteronism, and Familial Hypertension. Dr. Zelechoski is board certified in American Board Of Internal Medicine, Internal Medicine - 1989. Dr. Zelechoski is currently accepting new patients.

Osman Osman is a primary care provider, practicing in Internal Medicine in Williamsport, Pennsylvania. He has been practicing medicine for over 44 years. Dr. Osman is highly rated in 5 conditions, according to our data. His clinical expertise encompasses Dementia, Schizoaffective Disorder, Alzheimer's Disease, Hip Replacement, and Ureteroscopy. Dr. Osman is currently accepting new patients.

Dr. Yusko is a board-certified physician specializing in internal medicine. He attended the Philadelphia College of Osteopathic Medicine, where he earned his medical degree, and completed his residency at the University of Medicine and Dentistry of New Jersey School of Osteopathic Medicine. Dr. Yusko is certified by the American Osteopathic Association in internal medicine. Dr. Yusko is highly rated in 24 conditions, according to our data. His clinical expertise encompasses Maturity Onset Diabetes of the Young, Factor V Leiden Thrombophilia, High Cholesterol, and Type 2 Diabetes (T2D). Dr. Yusko is board certified in The American Osteopathic Association In Internal Medicine. Dr. Yusko is currently accepting new patients.