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Patients in Massapequa and around Nassau County see Dr. Mordecai A. Dicker, a gastroenterologist, at Gastrointestinal Care of Long Island PLLC.
New York University Medical College – Nlg is where Dr. Dicker went to medical school, graduating in 1988.
Gastrointestinal Care of Long Island PLLC's Massapequa location at 187 Veterans Blvd, Massapequa, NY 11758 is where Dr. Dicker sees patients — appointments by phone at (516) 795-5523. A second listed location: 233 E Shore Rd Suite 101, Great Neck, NY 11023. 183 clinicians bill Medicare through Gastrointestinal Care of Long Island PLLC, so it is a large group practice rather than a solo office. For Medicare patients: Dr. Dicker accepts assignment. Telehealth visits are listed as available.
On the hospital side, Dr. Dicker holds an affiliation with North Shore University Hospital.
About Dr. Dicker's practice
- Specialty
- Gastroenterologist
- Credentials
- MD
- Practice
- Gastrointestinal Care of Long Island PLLC
- Address
- 187 Veterans Blvd, Massapequa, NY 11758
- Phone
- (516) 795-5523
- Other locations
- 233 E Shore Rd Suite 101, Great Neck, NY 11023
- Medical school
- New York University Medical College – Nlg (1988)
- Hospital affiliations
- North Shore University Hospital
- Medicare assignment
- Accepts
- Telehealth
- Available
- NPI number
- 1437169117
- NY license no.
- 178718
Your review of Dr. Dicker — wait times, how well things were explained, how you were treated — helps other patients decide.
Medicare, Medicaid and hospitals
- Medicare patients (2024)
- 455 people with traditional Medicare, average age 76
- Most common services billed to Medicare
- Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope
- Removal of polyps or growths of large bowel using an endoscope with mechanical snare
- Biopsy of large bowel using a flexible endoscope
- Procedures on Medicare Care Compare
- Upper gastrointestinal (GI) endoscopy for acid reflux 131 procedures
- Colonoscopy 115 procedures
- Removal of skin lesions 1–10 procedures
- Medicare quality score (MIPS 2024)
- 75 out of 100 — reported through the group practice
- New York Medicaid
- Enrolled fee-for-service provider since 2024. Medicaid managed-care plans keep their own networks, so check with your plan.
- Hospital pages
- North Shore University Hospital
Medicare figures cover people with traditional (fee-for-service) Medicare only; services billed for fewer than 11 patients are not published.
Comparing gastroenterologists? See 8 in Massapequa or 109 across Long Island.
Other gastroenterologists in Massapequa
Dr. David E. Milkes, MDGastroenterologist · Gastrointestinal Care of Long Island PLLCNo reviews yetMassapequa, NY
Dr. Herbert I. Pasternak, MDGastroenterologist · Gastrointestinal Care of Long Island PLLCNo reviews yetMassapequa, NY
Dr. Michael A. Antony, MDGastroenterologist · Gastrointestinal Care of Long Island PLLCNo reviews yetMassapequa, NY
Dr. Scott Tenner, MDGastroenterologist · Gastrointestinal Care of Long Island PLLCNo reviews yetMassapequa, NY
Dr. Stephen B. Bharucha, MDGastroenterologist · Gastrointestinal Care of Long Island PLLCNo reviews yetMassapequa, NY
Dr. Alan F. Sloyer, MDGastroenterologist · Gastrointestinal Care of Long Island PLLCNo reviews yetMassapequa, NYWrite a review
Frequently Asked Questions
With Gastrointestinal Care of Long Island PLLC, at 187 Veterans Blvd, Massapequa, NY 11758.
Call the office at (516) 795-5523.
Yes — Dr. Dicker accepts Medicare assignment, taking the Medicare-approved amount as full payment for covered services.
North Shore University Hospital.
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