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Umeer Ashraf, MD, internal medicine, completed medical school at Government Medical College, an internship and residency at the State University of New York at Buffalo. He is certified by the American Board of Internal Medicine.

Deborah C. Hughes, RN, MSN, ANP, FNPBC – Deb Hughes is a successful nurse practitioner, with more than 30 years of nursing experience.

Danielle Kwakye-Berko, MD, internal medicine, completed a residency at Yale/Norwalk Hospital, Montefiore Medical Center and a geriatric fellowship at Duke University Medical Center. She is certified by the American Board of Internal Medicine.

Zia Sheikh, MD, completed a residency in internal medicine at the State University of New York at Buffalo. He has been caring for patients in Salamanca and Olean since 1996.