Westchester Dig Dis LLP
Josef Edrich, MD

Dr. Edrich obtained his BS at Brooklyn College of the City University of New York. He went on to study medicine at the University of Bologna and New York Medical College. His internship and residency were at The New York Hospital - Cornell Medical Center and he completed a fellowship in Cardiac and Advanced Clinical Anesthesia, also at Cornell. He is board certified in Anesthesia. His current positions include Attending Anesthesiologist, St. John's Riverside Hospital, Yonkers, New York; Senior Attending Anesthesiologist, Nyack Hospital, Nyack, New York; Senior Attending Anesthesiologist, Putnam Hospital Center, Carmel, New York; Senior Attending Anesthesiologist, Surgicare of Mahwah, Mahwah, New Jersey; Senior Attending Anesthesiologist, Crystal Run Ambulatory Surgical Center, Middletown, New York; Senior Attending Anesthesiologist, Passaic Beth Israel Hospital, Passaic, New Jersey

Ghulam Shabir Joyo, MD

Dr. Joyo obtained his initial medical training at the Liaquat Medical College and Liaquat Medical College Hospital in his native Pakistan, before completing an internship and residency at Westchester Medical Center in Valhalla, NY. His is board certified in Anesthesia and is a Senior Attending Anesthesiologist at St. John's Riverside Hospital, Yonkers, NY.

Mark Matiash, MD

Dr. Matiash's undergraduate and medical eduction were both obtained at SUNY Stony Brook. He completed an internal medicine internship at Long Island Jewish Medical Center and then obtained an anesthesiology residency at the Mount Sinai Medical Center. He is board certified in Anesthesia and his current positions include Attending Anesthesiologist, St. John's Riverside Hospital, Yonkers, NY; Attending Anesthesiologist, Crystal Run Ambulatory Surgical Center of Middletown, Middletown, NY; Attending Anesthesiologist, Nyack Hospital, Nyack, New York; Anesthesiologist,Center for Specialty Care, New York, NY; Attending Anesthesiologist, Surgicare of Mahwah, Mahwah, NJ.

Michael Rosen, MD

Dr. Rosen's undergraduate degree was obtained from the University of Connecticut, as was his graduate medical degree. He completed an internal medicine internship at Mount Sinai Medical Center and an anesthesiology residency at Columbia Presbyterian Medical Center. He is board certified in Anesthesia and his current positions include Attending Anesthesiologist, Community Hospital at Dobbs Ferry, Dobbs Ferry, NY; Attending Anesthesiologist, Nyack Hospital, Nyack, New York; Anesthesiologist,Center for Specialty Care, New York, NY.

Neal Zung, MD

Dr. Zung's undergraduate BS degree was obtained at Hofstra University. He then enrolled at SUNY Upstate Medical Center for his medical eduction. His internship and residency in anesthesia were both completed at Beth Israel Medical Center in NYC. He is board certified in Anesthesia and his current positions include Attending Anesthesiologist, St. John's Riverside Hospital, Yonkers, NY; Attending Anesthesiologist, Putnam Hospital Center of Carmel, NY; Attending Anesthesiologist, Nyack Hospital, Nyack, New York. In addition to his medical degrees Dr. Zung holds an MBA from Columbia Business School.

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