Dr. Grewal graduated from the Christian Med Coll, Punjab Univ, Ludhiana, Punjab, India in 1980. He works in West Nyack, NY and 1 other location and specializes in Cardiovascular Disease and Internal Medicine. Dr. Grewal is affiliated with Good Samaritan Hospital Medical Center, Good Samaritan Regional Medical Center, Hackensack University Medical Center, Nyack Hospital and The Valley
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