Meet the Faculty
![Aaron E. Glatt, MD](/Uploads/Public/Images/Residency/aglatt.jpg)
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](/Uploads/Public/Images/Residency/rmendoza.jpg)
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](/Uploads/Public/Images/Residency/sweiss.jpg)
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](https://www.southnassau.org/Uploads/Public/Images/Residency/kbrennan.jpg)
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](https://www.southnassau.org/Uploads/Public/Images/Residency/m-megally.jpg)
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](/Uploads/Public/Images/Residency/lkanner.jpg)
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](/Uploads/Public/Images/Residency/j-freeman.jpg)
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](https://www.southnassau.org/Uploads/Public/Images/Residency/m-sood.jpg)
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](https://www.southnassau.org/Uploads/Public/Images/Residency/pstevenscohen.jpg)
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](/Uploads/Public/Images/Residency/s-goel.jpg)
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](/uploads/public/images/residency/steven-greenstein-md.jpg)
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](/uploads/public/images/residency/w-park.jpg)
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](/Uploads/Public/Images/Residency/a-smyrlis.jpg)
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](https://www.southnassau.org/Uploads/Public/Images/Residency/fcoletta.jpg)
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](https://www.southnassau.org/Uploads/Public/Images/Residency/lsaffran.jpg)
Louis Saffran, MD
Pulmonary / Critical Care
Fellowship: North Shore University Hospital
Residency: North Shore University Hospital
Medical School: University of Maryland
![Russell Cohen, MD](/Uploads/Public/Images/Residency/russell-cohen-md.jpg)
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](https://www.southnassau.org/Uploads/Public/Images/Residency/e-tsomos.jpg)
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](https://www.southnassau.org/Uploads/Public/Images/Residency/f-gress.jpg)
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](/Uploads/Public/Images/Residency/jzinberg.jpg)
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](/Uploads/Public/Images/Residency/s-kadish.jpg)
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](/Uploads/Public/Images/Residency/c-feiner.jpg)
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](/Uploads/Public/Images/Residency/rlee.jpg)
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](/Uploads/Public/Images/Residency/thakker.jpg)
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](/Uploads/Public/Images/Residency/cthomas.jpg)
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](https://www.southnassau.org/Uploads/Public/Images/Residency/headshot-md.jpg)
Lachonne Anderson, MD
Hospitalist
Residency: SUNY Downstate Medical Center
Medical School: SUNY Downstate School of Medicine
![Ioannis Kariolis, MD](https://www.southnassau.org/Uploads/Public/Images/Residency/ikariolis.jpg)
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](https://www.southnassau.org/Uploads/Public/Images/Residency/headshot-md.jpg)
Muhammad S. Khan, MD
Hospitalist
Residency: University of Illinois College of Medicine
Medical School: Allama Iqbal Medical College
![Nay Lin OO, MD](https://www.southnassau.org/Uploads/Public/Images/Residency/headshot-md.jpg)
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](https://www.southnassau.org/Uploads/Public/Images/Residency/ymarkovskaya.jpg)
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](/Uploads/Public/Images/Residency/lswartz.jpg)
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](https://www.southnassau.org/Uploads/Public/Images/Residency/pinkhasov.jpg)
Arkadiy Pinkhasov, MD
Nephrology
Fellowship: Baystate Medical Center
Residency: Winthrop University Hospital
Medical School: St. Georges University School of Medicine
![Kerin Hausknecht, MD](https://www.southnassau.org/uploads/public/images/Residency/kerin-hausknecht.jpg)
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](/Uploads/Public/Images/Residency/r-cruz.jpg)
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](/Uploads/Public/Images/Residency/jaltus.jpg)
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](/Uploads/Public/Images/Residency/skaplan.jpg)
Stuart D. Kaplan, MD
Chief, Rheumatology
Fellowship: North Shore University Hospital
Residency: Maimonides Medical Center
Medical School: Albert Einstein College of Medicine