BCHP Specialty: Adult Infectious Diseases

The Adult Infectious Diseases group consists of six board-certified physicians who have expertise in diagnosing and treating all types of infectious diseases.

We also offer 

Our research

We are actively involved in ongoing, cutting-edge research in tick-borne diseases, HIV, healthcare-associated infections and other infectious diseases.

  • Adult Infectious Disease Division is funded in part by research grants from the National Institutes of Health (NIH)
  • Our faculty has published over 500 papers including at least 25 in the New England Journal of Medicine
  • We have made seminal discoveries including co-discovering AIDS
  • Our faculty conducted the study that found single dose doxycycline to be efficacious for preventing Lyme disease after a tick bite 

Mailing address

19 Skyline Drive
Room 2N-E14
Valhalla, NY 10595

Contact us

Phone: 914-493-8865
Fax: 914-594-2461

Chief of Adult Infectious Diseases

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Gary Wormser, MD

Chief of Adult Infectious Diseases

Adult Infectious Diseases Staff

Marc El Khoury, MD

Marc El Khoury, MD

Associate Director for the Infectious Diseases Fellowship, Westchester Medical Center
Sejal Gandhi, MD

Sejal Gandhi, MD

Infectious Diseases Attending, BCHP Bradhurst Avenue Specialty Office
Marisa Montecalvo, MD

Marisa Montecalvo, MD

Attending in Infectious Diseases, Westchester Medical Center
John Nowakowski, MD

John Nowakowski, MD

Attending in Infectious Diseases, Westchester Medical Cente
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Rocco Richards, MD

Adult Infectious Disease Physician, BCHP Bradhurst Avenue Specialty Offices