Tom Hong-Chih Sun, MD
NPI 1306803283ActiveIndividual· Ophthalmology· Tomball, TX
Ophthalmology (MD) in Tomball, Texas, trained at Rutgers R W Johnson Medical School (Cam/New Bruns/Pisc) (class of 1990). In 2024 Medicare paid $432,575 for 1,789 patients, and Part D covered 5,145 of their prescriptions, 63% of them generic. Alcon Vision LLC was the largest of 7 companies reporting payments in 2025, $1,003 in all, mostly food and beverage.
Overview
| NPI | 1306803283 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 26, 2006 |
| Last updated in NPPES | Oct 29, 2026 |
| Certified by provider | Oct 29, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | J6258 | TX |
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 (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,789 |
|---|---|
| Services billed | 4,722 across 26 procedure codes |
| Paid by Medicare | $432,575 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,145 · 10,315 30-day fills |
|---|---|
| Patients | 1,145 |
| Total drug cost | $278,268 |
| Generic share | 63% of claims |
Education and affiliations
| Medical school | Rutgers R W Johnson Medical School (Cam/New Bruns/Pisc) |
|---|---|
| Graduation year | 1990 |
| Medicare specialty | Ophthalmology |
Medical group
- Hea Clinic PAShenandoah, TX · 42 clinicians
Hospital affiliation
- HCA Houston Healthcare TomballTomball, TX
Industry payments (Open Payments)
- 2025$1,003 · 23 payments from 7 companies
- 2024$477.77 · 11 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Alcon Vision LLC | $366.87 | 8 |
| Astellas Pharma US Inc | $196.92 | 5 |
| Tarsus Pharmaceuticals, Inc. | $170.75 | 3 |
| Amgen Inc. | $152.09 | 3 |
| Thea Pharma Inc. | $49.03 | 2 |
What the 2025 payments were for
- Food and Beverage$964.23 · 22 payments
- Honoraria$38.86 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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