Meet Our Physicians

Omar Tamimi, MD

Doctor Omar Tamimi joined Dr. Cohen in 1992. He is Board Certified in both Gastroenterology and Internal Medicine. He is a graduate of Rutgers University and University of St. George’s Medical School. His medical training was completed at Seton Hall University, St. Joseph’s hospital, Patterson, NJ. Since completing his medical training he has performed over 15,000 endoscopic procedures and has vast experience in all aspects of the practice of Gastroenterology. Doctor Tamimi has been a member of the executive committee at Kimball Medical Center since 2003 and served as the Chief of the Medical Staff from 2007-2009. Doctor Tamimi and his wife Patty have three children with whom they are very involved. Doctor Tamimi enjoys outdoor sports, vacationing and spending time with his family and is a big fan of Bruce Springsteen.

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Jill Collier, MD

Doctor Jill Collier is Board Certified in both Gastroenterology and Internal Medicine. She is a graduate of the University of Pennsylvania, where she was Phi Beta Kappa and Magna Cum Laude. She attended medical school at Mt. Sinai School of Medicine in Manhattan where she was elected to the honor society. Her medical residency was also completed at Mt. Sinai. Her Gastroenterology fellowship was completed at Albert Einstein College of Medicine in NY. She received extensive training in all aspects of Gastroenterology. Dr. Collier was Chairperson of the Division of Gastroenterology at Community Medical Center from 2010-2014. She is currently Medical Director of the Endoscopy Center of Toms River. Dr. Collier has been chosen as one of “America’s Top Physician’s” annually since 2007. She is married to Douglas Collier and has two children. She enjoys skiing with her family and being involved with her children’s activities. 

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Edgar Bigornia, MD

Doctor Edgar Bigornia is Board Certified in both Gastroenterology and Internal Medicine. He is a graduate of Brandeis University and attended Medical School at SUNY Health Science Center at Brooklyn (Downstate) in New York. His Internal Medicine training was completed at Albert Einstein College of Medicine and he served as a Chief Medical Resident at Booth Memorial Hospital. His Gastroenterology fellowship was at New York Medical College. He is the recipient of the Lawlor Award for the best scientific paper submitted by a fellow at the American College of Gastroenterology meeting. He previously practiced in Poughkeepsie, NY. He enjoys outdoor sports with his family. He listens to all types of music and relaxes by playing the piano and guitar. 

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Kenneth Glazier, MD

Doctor Kenneth Glazier is Board Certified in both Gastroenterology and Internal Medicine. He graduated from the University of Michigan and Northwestern Medical School. He completed his medical residency at Boston City Hospital and his training at Columbia University College of Physicians and Surgeons in Manhattan then Robert Wood Johnson Medical School in New Jersey. He has extensive experience in the treatment of Inflammatory Bowel Disease at the Crohn’s and Colitis Center of New Jersey and published a manuscript on the use of 6MP in treating Crohn’s disease. He is presently a Clinical Assistant Professor of Medicine at UMDNJ-Robert Wood Johnson Medical School and joins the group after five years in private practice in the Marlboro-Freehold area. Doctor Glazier and his wife, pediatrician Kim Glazier, MD are the parents of two young children. Dr. Glazier enjoys sports including golf and softball. 

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Jai Mirchandani, MD

Doctor Jai Mirchandani is Board Certified in both Gastroenterology and Internal Medicine. He graduated from Johns Hopkins University and the University of Medicine and Dentistry-New Jersey Medical School. He completed his medical residency at the University of Illinois and Chicago, and his Gastroenterology training at New York Medical College in Valhalla, NY. Prior to joining Gastroenterologists of Ocean County, he served as an attending physician and instructor at Maimonides Medical Center for three years, where he was the Director of Capsule Endoscopy, Director of the Colon Cancer Screening program, and the Assistant Program Director for the Gastroenterology Fellowship program. Dr. Mirchandani, and his wife, neurologist Lakshmi Nadiminti, D.O., are the parents of two young children. Dr. Mirchandani enjoys spending time with his family, listening to music, and is an avid sports fan.

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Allan Cohen, MD – Retired

Doctor Allan Cohen is Board Certified in both Gastroenterology and Internal Medicine. He attended medical school at the SUNY Health Science Center at Brooklyn (formerly Downstate Medical Center) and completed his Internal Medicine and Gastroenterology training at State University-Kings County Hospital in New York. Doctor Cohen is highly skilled and has extensive experience and has performed over 25,000 gastrointestinal endoscopic procedures. Doctor Cohen recently served as Chairman of the Gastroenterology Subsection at Community Medical Center in Toms River, NJ. Dr. Cohen enjoys gardening, fine wines, and collecting sports memorabilia.

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