Takes about two minutes. Only your first name or chosen display name is shown — your email stays private.
Patients in Pearl River and around the Hudson Valley see Dr. John Chang, an ophthalmologist, at Maria Spinak, Md, PC.
Rutgers Robert Wood Johnson Medical School is where Dr. Chang went to medical school, graduating in 1998.
To book an appointment, call (845) 735-5666. Dr. Chang's office is at 169 N Middletown Rd, Pearl River, NY 10965. He accepts Medicare assignment — useful to know if you are on traditional Medicare.
Dr. Chang is affiliated with Nyack Hospital.
Seen Dr. Chang recently? Share how your visit went.
Key facts
- Specialty
- Ophthalmologist
- Credentials
- MD
- Practice
- Maria Spinak, Md, PC
- Address
- 169 N Middletown Rd, Pearl River, NY 10965
- Phone
- (845) 735-5666
- Medical school
- Rutgers Robert Wood Johnson Medical School (1998)
- Hospital affiliations
- Nyack Hospital
- Medicare assignment
- Accepts
- NPI number
- 1073516027
- NY license no.
- 225687
Medicare, Medicaid and hospitals
- Medicare patients (2024)
- 905 people with traditional Medicare, average age 76
- Most common services billed to Medicare
- Established patient complete exam of visual system
- Extended exam of the back part of the eye with optic nerve drawing
- Established patient problem focused exam of visual system
- Procedures on Medicare Care Compare
- Cataract surgery 142 procedures
- Removal of tissue 1–10 procedures
- Medicare quality score (MIPS 2024)
- 8 out of 100 — reported individually
- New York Medicaid
- Enrolled fee-for-service provider since 2003. Medicaid managed-care plans keep their own networks, so check with your plan.
- Hospital pages
- Nyack Hospital
Medicare figures cover people with traditional (fee-for-service) Medicare only; services billed for fewer than 11 patients are not published.
Comparing ophthalmologists? See 2 in Pearl River or 68 across Hudson Valley.
Other ophthalmologists in Hudson Valley
Dr. Andrew Spinak, MDOphthalmologist · Maria Spinak, Md, PCNo reviews yetPearl River, NY
Dr. Andrew D. Krouner, MDOphthalmologist · Precision Ophthalmology, PCNo reviews yetFishkill, NY
Dr. Ayman Z. Matta, MDOphthalmologist · Middletown Medical PCNo reviews yetMiddletown, NY
Dr. Benjamin D. Freilich, MDOphthalmologist · NY Retina Eye Care, PLLCNo reviews yetWest Nyack, NY
Dr. Bruce K. Moskowitz, MDOphthalmologist · Facial Plastic, Reconstructive and Laser Surgery, PLLCNo reviews yetPoughkeepsie, NY
Dr. Charles Mango, MDOphthalmologist · Long Island Vitreo Retinal Consultants PCNo reviews yetNew City, NYWrite a review
Frequently Asked Questions
With Maria Spinak, Md, PC, at 169 N Middletown Rd, Pearl River, NY 10965.
Call the office at (845) 735-5666.
Yes — Dr. Chang accepts Medicare assignment, taking the Medicare-approved amount as full payment for covered services.
Nyack Hospital.
Is this your profile?
