Meet the Faculty

Aaron E. Glatt, MD
Aaron E. Glatt, MD, MACP, FIDSA, FSHEA

Chairman, Department of Medicine and Chief, Infectious Diseases / Hospital Epidemiologist
Professor of Medicine, Icahn School of Medicine at Mount Sinai
Fellowship: State University of New York Downstate Medical Center
Residency: Brookdale Hospital Medical Center
Medical School: Columbia University College of Physicians and Surgeons

Raul Mendoza, MD
Raul Mendoza, MD

Associate Chairman, Department of Medicine
Fellowship: State University of New York Downstate Medical Center (Cardiology)
Residency: State University of New York Downstate Medical Center
Medical School: National Autonomous University of Mexico Medical School

Steven M. Weiss, MD
Steven M. Weiss, MD, FACP

Director, Internal Medicine Residency Program
Clinical Associate Professor of Medicine, Icahn School of Medicine at Mount Sinai
Fellowship: State University of New York Downstate Medical Center (Infectious Diseases)
Residency: Brookdale Hospital Medical Center
Medical School: New York University School of Medicine

Keith Brennan, MD
Keith Brennan, MD

Associate Director, Internal Medicine Residency Program
Hospitalist
Residency: Roger Williams Medical Center
Medical School: American University of Antigua

Frank Gress, MD, MA, MBA, FACP
Michael Megally, MD

Associate Director, Internal Medicine Residency Program
Associate Chief, Pulmonary and Critical Care Medicine
Fellowship: Elmhurst Hospital Center
Residency: N.Y. Presbyterian Brooklyn Methodist Hospital
Medical School: Medical University of Lublin

Lawrence J. Kanner, MD
Lawrence J. Kanner, MD, FACC, FHRS

Chief, Cardiology
Fellowship: North Shore University Hospital at Manhasset
Residency: North Shore University Hospital at Manhasset
Medical School: State University of New York Buffalo Medical College

Jason Freeman, MD
Jason Freeman, MD

Director, Interventional Cardiology
Fellowship: North Shore University Hospital at Manhasset
Residency: North Shore University Hospital at Manhasset
Medical School: New York Medical College

Frank Gress, MD, MA, MBA, FACP
Michael R. Sood, MD, MS, FACC, FACP

Director, Non-Invasive Cardiology
Fellowship: New York-Methodist Hospital
Residency: New York-Methodist Hospital
Medical School: Saba University School of Medicine

Pilar Stevens-Cohen, MD
Pilar Stevens-Haynes, MD

Cardiology
Fellowship: Icahn School of Medicine at Mount Sinai
Residency: Icahn School of Medicine at Mount Sinai
Medical School: Icahn School of Medicine at Mount Sinai

Sunny Goel, MD
Sunny Goel, MD

Cardiology, Interventional Cardiology
Fellowship: Icahn School of Medicine at Mount Sinai
Residency: Maimonides Medical Center
Medical School: Veer Narmad South Gujarat University

Steven Greenstein, MD
Steven Greenstein, MD

Cardiology
Fellowship: Zucker School of Medicine/Northwell
Residency: SUNY Downstate Medical Center
Medical School: New York Medical College

Won Jun Park, MD
Won Jun Park, MD, FACC, RPVI

Cardiology
Fellowship: Mount Sinai-Brooklyn Hospital Center
Residency: The Brooklyn Hospital Center
Medical School: Hallym University College of Medicine, South Korea

Athanasios Smyrlis, MD
Athanasios Smyrlis, MD

Cardiology
Fellowship: NYU-Winthrop University Hospital / Western CT Health Network
Residency: Albert Einstein Medical Center, Philadelphia  
Medical School: University of Ioannina Medical School

Frank Coletta, MD
Frank Coletta, MD, FCCP

Co-Chief, Pulmonary / Critical Care
Fellowship: Winthrop University Hospital
Residency: Winthrop University Hospital
Medical School: State University of New York Downstate Medical Center

 Louis Saffran, MD
Louis Saffran, MD

Pulmonary / Critical Care
Fellowship: North Shore University Hospital
Residency: North Shore University Hospital
Medical School: University of Maryland

Russell Cohen, MD
Russell W. Cohen, MD

Dermatology
Chief, Dermatology
Residency: Mount Sinai Medical Center
Medical School: Albert Einstein College of Medicine

Frank Gress, MD, MA, MBA, FACP
Effie Tsomos, MD

Associate Chief, Endocrinology
Fellowship: Mount Sinai Hospital
Residency: Montefiore Medical Center
Medical School: Boston University School of Medicine

Frank Gress, MD, MA, MBA, FACP
Frank Gress, MD, MA, MBA, FACP

Chief, Interventional Gastroenterology
Fellowship: Indiana University
Fellowship: Brooklyn Hospital Center
Residency: Montefiore Medical Center
Medical School: Icahn School of Medicine at Mount Sinai

Jonathan Zinberg, MD
Jonathan Zinberg, MD

Chief, Gastroenterology
Fellowship: Montefiore Medical Center, Albert Einstein College of Medicine
Residency: Columbia Presbyterian Medical Center
Medical School: Columbia University College of Physicians and Surgeons

Steven Kadish, MD
Steven Kadish, MD

Associate Chief, GI Endoscopy, General
Fellowship: Albert Einstein College of Medicine
Residency: Long Island Jewish Medical Center
Medical School: Albert Einstein College of Medicine

Clifford Feiner, DO
Clifford Feiner, DO

Chief, Geriatrics
Fellowship: Mount Sinai Hospital (Geriatrics)
Residency: Long Island College Hospital (Internal Medicine)
Internship: Brookdale Hospital Medical Center
Medical School: New York College of Osteopathic Medicine

Richard M. Lee, MD
Richard M. Lee, MD

Chief, Hematology / Oncology
Fellowship: Boston University Medical Center
Residency: Loyola University Medical Center
Medical School: University of Miami Leonard M. Miller School of Medicine

Dhvani Thakker, MD
Dhvani Thakker, MD

Section Chief, Women’s Medical Oncology
Fellowship:  SUNY at Downstate Medical Center
Residency: Mount Sinai Beth Israel
Medical School: Ross University School of Medicine

Cheriyan Thomas, MD, MBA
Cheriyan Thomas, MD, MBA

Associate Chief, Hospitalist Services
Fellowship: Flushing Hospital Medical Center (Geriatrics)
Residency: Flushing Hospital Medical Center
Medical School: Kasturba Medical College

Lachonne Anderson, MD
Lachonne Anderson, MD
Hospitalist
Residency:  SUNY Downstate Medical Center
Medical School: SUNY Downstate School of Medicine

Ioannis Kariolis, MD
Ioannis Kariolis, MD

Hospitalist
Fellowship: New York Hospital of Queens, Weill-Cornell (Geriatrics)
Residency: New York Hospital of Queens, Weill-Cornell
Medical School: State University of New York Downstate Medical Center

Muhammad S. Khan, MD
Muhammad S. Khan, MD
Hospitalist
Residency: University of Illinois College of Medicine
Medical School: Allama Iqbal Medical College

Nay Lin OO, MD
Nay Lin OO, MD
Hospitalist
Residency: Jamaica Hospital Medical Center
Internship:  Yangon General Hospital, Central Women’s Hospital, Yangon Children’s Hospital, Yangon, Myanmar
Medical School: University of Medicine 1, Yangon, Myanmar

 Yelena Markovskaya, MD
Yelena Markovskaya, MD

Infectious Diseases
Fellowship: North Shore University Hospital
Residency: St. Vincent’s Catholic Medical Center
Medical School: Odessa Medical Institute

Louis Swartz, MD
Louis Swartz, MD

Co-Chief, Nephrology
Fellowship: Albert Einstein College of Medicine
Residency: Winthrop University Hospital
Medical School: Ross University School of Medicine

Arkadiy Pinkhasov, MD
Arkadiy Pinkhasov, MD

Nephrology
Fellowship: Baystate Medical Center
Residency: Winthrop University Hospital
Medical School: St. Georges University School of Medicine

Kerin Hausknecht, MD
Kerin Hausknecht, MD

Chief, Neurology and Stroke Center
Fellowship: Bowman Gray School of Medicine
Residency: Mount Sinai Medical Center
Medical School: Icahn School of Medicine at Mount Sinai

Ricardo Cruz, MD
Ricardo Cruz, MD
Chief, Physical Medicine and Rehabilitation
Fellowship: Cornell University Medical Center
Residency: Nassau University Medical Center
Medical School: University of Philippines Medical School

Jonathan Altus, MD
Jonathan Altus, MD, FCCP

Co-Chief, Pulmonary / Critical Care
Fellowship: New York University Medical Center
Residency: Beth Israel Medical Center
Medical School: State University of New York Downstate Medical Center

Stuart D. Kaplan, MD
Stuart D. Kaplan, MD

Chief, Rheumatology
Fellowship: North Shore University Hospital
Residency: Maimonides Medical Center
Medical School: Albert Einstein College of Medicine

From the Program Director

From the Program Director

Mount Sinai South Nassau is in the process of transformation. Founded in 1928, South Nassau...

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Application Information

Application Information

We are looking for highly-motivated, intelligent, and empathetic people with a strong commitment...

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Our Program

Our Program

Introduction to Mount Sinai South Nassau's Internal Medicine Residency Program...

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Meet the Faculty

Meet the Faculty

Meet the Faculty of Mount Sinai South Nassau's Internal Medicine Residency...

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Mount Sinai South Nassau Internal Medicine Residents

Meet the Residents

Meet the Mount Sinai South Nassau Internal Medicine Residents...

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Training Sites

Training Sites

Established in 1928, our hospital is one of the region's largest hospitals...

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Internal Medicine Residency Fellowship Matches

Fellowship Matches

Mount Sinai South Nassau Internal Medicine Residency Fellowship matches...

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