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In Port Jefferson, Dr. Marc Dinowitz works as an ophthalmologist at North Shore-Lij Medical PC.
Medical school: State University of New York at Stony Brook, School of Medicine, class of 1996.
North Shore-Lij Medical PC's Port Jefferson location at 75 N Country Rd, Port Jefferson, NY 11777 is where Dr. Dinowitz sees patients — appointments by phone at (631) 473-1320. North Shore-Lij Medical PC is a large group — 6440 clinicians are enrolled with Medicare under it. Dr. Dinowitz accepts Medicare assignment, which means he takes the Medicare-approved amount as full payment for covered services.
Hospital affiliations on file with Medicare: Peconic Bay Medical Center.
If Dr. Dinowitz treated you or someone in your family, your experience is exactly what others are looking for. Leave a review below.
Key facts
- Specialty
- Ophthalmologist
- Credentials
- MD
- Practice
- North Shore-Lij Medical PC
- Address
- 75 N Country Rd, Port Jefferson, NY 11777
- Phone
- (631) 473-1320
- Medical school
- State University of New York at Stony Brook, School of Medicine (1996)
- Hospital affiliations
- Peconic Bay Medical Center
- Medicare assignment
- Accepts
- NPI number
- 1578582466
- NY license no.
- 207586
Medicare, Medicaid and hospitals
- Medicare patients (2024)
- 1,999 people with traditional Medicare, average age 76
- Most common services billed to Medicare
- Established patient complete exam of visual system
- Imaging of retina
- New patient complete exam of visual system
- Procedures on Medicare Care Compare
- Cataract surgery 542 procedures
- Medicare quality score (MIPS 2024)
- 93 out of 100
- New York Medicaid
- Enrolled fee-for-service provider since 2001. Medicaid managed-care plans keep their own networks, so check with your plan.
- Hospital pages
- Peconic Bay Medical Center
Medicare figures cover people with traditional (fee-for-service) Medicare only; services billed for fewer than 11 patients are not published.
Comparing ophthalmologists? See 3 in Port Jefferson or 105 across Long Island.
Other ophthalmologists in Long Island
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Dr. Marc E. Wietschner, MDOphthalmologist · Ophthalmic Consultants of Long IslandNo reviews yetFloral Park, NY
Dr. Marguerite B. McDonald, MDOphthalmologist · Ophthalmic Consultants of Long IslandNo reviews yetRockville Centre, NY
Dr. Mark R. Fleckner, MDOphthalmologist · Mark Fleckner M.D., P.C.No reviews yetGarden City, NYWrite a review
Frequently Asked Questions
With North Shore-Lij Medical PC, at 75 N Country Rd, Port Jefferson, NY 11777.
Call the office at (631) 473-1320.
Yes — Dr. Dinowitz accepts Medicare assignment, taking the Medicare-approved amount as full payment for covered services.
Peconic Bay Medical Center.
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