Welcome to the Upper East Side Infectious Diseases section containing Infectious Disease specialists in 10022, 10065, 10021, 10075, 10028 and 10128 zip codes. Infectious Disease Specialists are physicians who diagnose and treat infectious disorders such as sexually transmitted diseases, tuberculosis, hepatitis B and conditions acquired while traveling. The mainstay of treatment is the use of antibiotic and other antimicrobial drugs, which must be carefully selected in order to be effective. Infectious disease is a subspecialty of internal medicine. Be sure to hold your mouse over any bold-italicized listings for a special pop-up description.