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Patients in Sleepy Hollow and around Westchester County see Dr. Mary S. Cheung, a gastroenterologist, at North Shore-Lij Medical PC.
Key facts
- Specialty
- Gastroenterologist
- Credentials
- MD
- Practice
- North Shore-Lij Medical PC
- Address
- 701 N Broadway Suite 515, Sleepy Hollow, NY 10591
- Phone
- (914) 366-2251
- Medical school
- State University of New York Downstate Medical Center (2007)
- Hospital affiliations
- Long Island Jewish Medical Center, North Shore University Hospital, Staten Island University Hospital
- Medicare assignment
- Accepts
- Telehealth
- Available
- NPI number
- 1114243219
- NY license no.
- 260017-1
State University of New York Downstate Medical Center is where Dr. Cheung went to medical school, graduating in 2007.
The office is at 701 N Broadway Suite 515, Sleepy Hollow, NY 10591; the phone number on record is (914) 366-2251. Dr. Cheung accepts Medicare assignment, which means she takes the Medicare-approved amount as full payment for covered services. Telehealth visits are listed as available.
Hospital affiliations on file with Medicare: Long Island Jewish Medical Center, North Shore University Hospital and Staten Island University Hospital.
Seen Dr. Cheung recently? Share how your visit went.
Medicare, Medicaid and hospitals
- Medicare patients (2024)
- 323 people with traditional Medicare, average age 74
- Most common services billed to Medicare
- Study of esophagus to assess movement
- Study of esophagus to assess movement with stimulation or tube
- Monitoring and recording of esophageal function through nasal tube with electrode
- Procedures on Medicare Care Compare
- Upper gastrointestinal (GI) endoscopy for acid reflux 167 procedures
- Colonoscopy 64 procedures
- Medicare quality score (MIPS 2024)
- 93 out of 100
- New York Medicaid
- Enrolled fee-for-service provider since 2026. Medicaid managed-care plans keep their own networks, so check with your plan.
- Hospital pages
- Long Island Jewish Medical Center · North Shore University Hospital · Staten Island 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 5 in Sleepy Hollow or 97 across Westchester County.
Other gastroenterologists in Sleepy Hollow
Dr. Christopher A. Martin, MDGastroenterologist · North Shore-Lij Medical PCNo reviews yetSleepy Hollow, NY
Dr. Diana M. Winston-Comartin, MDGastroenterologist · North Shore-Lij Medical PCNo reviews yetSleepy Hollow, NY
Dr. Floyd C. Byfield, MDGastroenterologist · North Shore-Lij Medical PCNo reviews yetSleepy Hollow, NY
Dr. Priya K. Simoes, MDGastroenterologist · North Shore-Lij Medical PCNo reviews yetSleepy Hollow, NYWrite a review
Frequently Asked Questions
With North Shore-Lij Medical PC, at 701 N Broadway Suite 515, Sleepy Hollow, NY 10591.
Call the office at (914) 366-2251.
Yes — Dr. Cheung accepts Medicare assignment, taking the Medicare-approved amount as full payment for covered services.
Long Island Jewish Medical Center, North Shore University Hospital and Staten Island University Hospital.
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