Marta Lois Feldmesser, MD

Infectious disease specialists play a quiet but critical role in New York’s healthcare landscape—especially in a city where dense populations and global travel create unique medical challenges. Marta Lois Feldmesser, MD practices in this specialty, offering diagnostics and treatment for conditions that range from routine infections to complex cases requiring deeper expertise. The Upper East Side, with its mix of long-term residents and transient professionals, benefits from access to physicians who focus on this niche. While general practitioners handle everyday illnesses, specialists like Feldmesser step in when infections persist, resist standard treatments, or involve rare pathogens. Her office at 122 E 76th St #1c, New York, NY 10021 sits among the neighborhood’s blend of pre-war buildings and modern medical facilities, a block where clinical precision meets the rhythm of daily life.

Patients seeking a physician with a narrow focus on bacterial, viral, or fungal infections—including post-travel illnesses, hospital-acquired infections, or chronic conditions like Lyme disease—often turn to infectious disease doctors for targeted care. The phone line, (212) 434-3427, connects directly to the practice for appointments or questions about referrals. Unlike urgent care centers or general clinics, this type of specialty care operates on a different cadence, prioritizing thorough evaluation over high-volume turnover. For those mapping their visit, the building’s entrance is just steps from the 77th Street subway station, making it accessible from most parts of Manhattan.