Tsunkang Chiang, MD
NPI 1033745021ActiveIndividual· Ophthalmology· Merrillville, IN
Ophthalmology (MD) with Retina Associates, PC and 1 other group, practicing in Merrillville, Indiana. Part D covered 44 prescriptions written in 2024, 45% of them generic. Bausch & Lomb Americas Inc. was the largest of 3 companies reporting payments in 2025, $2,804 in all, mostly travel and lodging. Lists Hennepin County Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1033745021 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 21, 2020 |
| Last updated in NPPES | Sep 14, 2026 |
| Certified by provider | Sep 14, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | 01098754A | IN |
| Ophthalmology | 207W00000X | 036178209 | IL |
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 (IL); Practitioner - Ophthalmology (IN); Practitioner - Ophthalmology (MN) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 44 · 57 30-day fills |
|---|---|
| Patients | 23 |
| Total drug cost | $1,277 |
| Generic share | 45% of claims |
Education and affiliations
| Graduation year | 2020 |
|---|---|
| Medicare specialty | Ophthalmology |
Medical groups
- Retina Associates, PCMichigan City, MI · 7 clinicians
- Retina Vitreous Associates, PCJoliet, IL · 7 clinicians
Hospital affiliations
- Hennepin County Medical CenterMinneapolis, MN
- St Mary Medical Center IncHobart, IN
Industry payments (Open Payments)
- 2025$2,804 · 13 payments from 3 companies
- 2024$1,241 · 8 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Bausch & Lomb Americas Inc. | $2,032 | 11 |
| Regeneron Pharmaceuticals, Inc. | $750.00 | 1 |
| Alcon Vision LLC | $22.36 | 1 |
What the 2025 payments were for
- Travel and Lodging$1,639 · 4 payments
- Grant$750.00 · 1 payment
- Food and Beverage$415.24 · 8 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Ophthalmology providers in Merrillville
- 1205156965
- 1700950920
- 1265501944
- 1639285844
- 1245233014
- 1730522830
- 1013913771
- 1205091097
- 1346373313
- 1528268364
- 1235459132
- 1669475281