John Chu-Hong Chang, M.D.
NPI 1073516027ActiveIndividual· Ophthalmology· Pearl River, NY
Ophthalmology (M.D.) in Pearl River, New York, trained at Rutgers R W Johnson Medical School (Cam/New Bruns/Pisc) (class of 1998). Their prescriptions cost Medicare Part D more than their services did: $485,416 for 1,442 claims, against $304,363 paid for services in 2024. Alcon Vision LLC was the largest of 8 companies reporting payments in 2025, $981.43 in all, mostly food and beverage.
Overview
| NPI | 1073516027 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 23, 2005 |
| Last updated in NPPES | Apr 5, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | 225687 | NY |
| Specialist | 174400000X | 225687-1 | NY |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Ophthalmology (NJ); Practitioner - Ophthalmology (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 905 |
|---|---|
| Services billed | 5,185 across 49 procedure codes |
| Paid by Medicare | $304,363 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,442 · 2,226 30-day fills |
|---|---|
| Patients | 438 |
| Total drug cost | $485,416 |
| Generic share | 35% of claims |
Education and affiliations
| Medical school | Rutgers R W Johnson Medical School (Cam/New Bruns/Pisc) |
|---|---|
| Graduation year | 1998 |
| Medicare specialty | Ophthalmology |
Medical group
- Maria Spinak, MD, PCPearl River, NY · 2 clinicians
Hospital affiliation
- Nyack HospitalNyack, NY
Industry payments (Open Payments)
- 2025$981.43 · 33 payments from 8 companies
- 2024$1,186 · 23 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Alcon Vision LLC | $466.96 | 12 |
| Tarsus Pharmaceuticals, Inc. | $182.13 | 7 |
| Sun Pharmaceutical Industries Inc. | $128.08 | 5 |
| Sight Sciences, Inc. | $70.66 | 3 |
| Oyster Point Pharma, Inc. | $44.58 | 2 |
What the 2025 payments were for
- Food and Beverage$981.43 · 33 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Ophthalmology providers in Pearl River
- 1558364505