Dr. Andrew Marshall is an internist in Hewlett, NY. He is skilled at diagnosing & treating a very wide range of diseases & illnesses in adult patients.
Yes, Dr. Andrew T. Marshall is accepting new patients at this office.
(516) 887-9120
1800 Rockaway Avenue, 201, Hewlett, NY 11557
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Yes, Dr. Andrew T. Marshall is accepting new patients at this office.
(631) 864-6001
994 W Jericho Turnpike, Suite 103, Smithtown, NY 11787-3235
Dr. Andrew Marshall graduated from Mount Sinai School Of Medicine Of City University Of New York in 1992.
Dr. Marshall has two offices in New York where he specializes in Internal Medicine and Gastroenterology.
Dr. Marshall works with three hundred and thirty doctors including Dr. Joseph Livoti and Dr. Lauren Turchin-Orent.
The specialty of internal medicine is an area of primary care for adults. Dr. Marshall specializes in diagnosing and treating cross-system illnesses that may affect multiple organ systems. Dr. Marshall can also refer patients to specialists when medically necessary. For example, patients with severe heart problems may be referred to a cardiologist for additional diagnostic tests or treatments.
Dr. Andrew Marshall specializes in gastroenterology near Smithtown, NY. He identifies and treats patients with problems of the gastrointestinal tract, or digestive system. Dr. Marshall is also aware of the relationship between your diet & nutrition levels and overall well-being. Dr. Marshall may offer treatment or management plans for digestive issues such as heartburn or irritable bowel syndrome, among others.
Mount Sinai School Of Medicine Of City University Of New York
MD • 1992
Please Note: The information displayed below is sourced from the 2014 Medicare Physician and Other Supplier National Provider Identifier (NPI) Aggregate Report. It's important to remember that the statistics below are not inclusive of all patients treated by Dr. Marshall, but only those who participate in Medicare.