Faculty & Staff

Administration

Anthony Boutin, MD, FACEP, FAAEM
President/Chief Executive Office of Nassau University Medical Center
  • Staff Physician, Nassau University Medical Center
  • Core Faculty, Emergency Medicine Residency
  • Assistant Professor, Department of Emergency Medicine, Mount Sinai School of Medicine

Grace Ting, MD
Chief Medical Officer of Nassau University Medical Center
  • Staff Physician, Nassau University Medical Center

Jessica Berrios, MD
Chair, Department of Emergency Medicine
  • Staff Physician, Nassau University Medical Center
  • Core Faculty, Emergency Medicine Residency

Residency Program Leadership

Dean Olsen, DO
Program Director, Emergency Medicine Residency
Director of Student Education, Clerkship Director
  • Staff Physician, Nassau University Medical Center
  • Faculty at New York City Poison Control Center
  • Professor, NYIT College of Osteopathic Medicine

Roshan Givergis, DO, MPH
Program Director, Transitional Year Residency
Assistant Program Director, Emergency Medicine Residency
  • Staff Physician, Nassau University Medical Center

Lyncean Ung, DO
Assistant Program Director, Emergency Medicine Residency
  • Staff Physician, Nassau University Medical Center
  • Adjunct Assistant Clinical Professor, NYIT College of Osteopathic Medicine
  • Clinical Informatics Fellow, Stony Brook Medicine

Ryosuke Ito, DO
Assistant Program Director, Transitional Year Residency
  • Staff Physician, Nassau University Medical Center
  • Core Faculty, Emergency Medicine Residency

Neil Dasgupta, MD
Director of Emergency Critical Care
  • Staff Physician, Nassau University Medical Center
  • Core Faculty, Emergency Medicine Residency

Carl Mealie, MD
  • Staff Physician, Nassau University Medical Center
  • Core Faculty, Emergency Medicine Residency

ED Faculty

Yash Chavda, DO
  • Staff Physician, Nassau University Medical Center

Stephanie Chiang, DO
  • Staff Physician, Nassau University Medical Center

Eric Ciardullo, DO
  • Staff Physician, Nassau University Medical Center

Gia Coleman, MD
  • Staff Physician, Nassau University Medical Center

Mark Fonrose, MD
  • Staff Physician, Nassau University Medical Center

Patricia Ford, MD
  • Staff Physician, Nassau University Medical Center

Kyle Freiman, DO
  • Staff Physician, Nassau University Medical Center

Eddy Jean-Baptiste, MD
  • Staff Physician, Nassau University Medical Center

Olga Lisynak, DO
  • Staff Physician, Nassau University Medical Center

Rijo Maracheril, MD
  • Staff Physician, Nassau University Medical Center

Renzo Mieles, DO
  • Staff Physician, Nassau University Medical Center

Toluwumi Olafisoye, MD
  • Staff Physician, Nassau University Medical Center

Luke Palmisano, MD
  • Staff Physician, Nassau University Medical Center

Leonid Rankov, MD
  • Staff Physician, Nassau University Medical Center

Audrey Rochester, MD
  • Staff Physician, Nassau University Medical Center

Gilberte Rosarian, MD
  • Staff Physician, Nassau University Medical Center

Jatinder Singh, MD
  • Staff Physician, Nassau University Medical Center

Scott D. Weingart, MD FCCM
Director of Clinical Education and Faculty Development
  • Staff Physician, Nassau University Medical Center

Luis Carlos Zapata, MD
  • Staff Physician, Nassau University Medical Center

Residency Program Staff

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