Stephen Hing-Lam Tsang, M.D.
NPI 1972648707ActiveIndividual· Ophthalmology· New York, NY
Ophthalmology (M.D.) in New York, New York, trained at Columbia University College of Physicians and Surgeons (class of 1998). 147 Medicare patients in 2024, $29,969 paid; nearly all of their 168 Part D prescriptions were generic (92%). Alcon Research LLC was the largest of 2 companies reporting payments in 2025, $6,041 in all, mostly speaking and faculty fees.
Overview
| NPI | 1972648707 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Feb 20, 2007 |
| Last updated in NPPES | Feb 16, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | 214245 | NY |
| Ophthalmology, Retina Specialist | 207WX0107X | 214245 | NY |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Ophthalmology (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 147 |
|---|---|
| Services billed | 434 across 14 procedure codes |
| Paid by Medicare | $29,969 |
Part D prescriptions in 2024
| Prescriptions (claims) | 168 · 310 30-day fills |
|---|---|
| Patients | 45 |
| Total drug cost | $19,075 |
| Generic share | 92% of claims |
Education and affiliations
| Medical school | Columbia University College of Physicians and Surgeons |
|---|---|
| Graduation year | 1998 |
| Medicare specialty | Ophthalmology |
Medical group
- Trustees of Columbia University in the City of New YorkNew York, NY · 2,296 clinicians
Industry payments (Open Payments)
- 2025$6,041 · 3 payments from 2 companies
- 2024$9,149 · 7 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Alcon Research LLC | $5,717 | 2 |
| Insmed, Inc. | $324.00 | 1 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$5,000 · 1 payment
- Travel and Lodging$716.81 · 1 payment
- Consulting Fee$324.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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