Hyon Sik Kang, D.O.
NPI 1346202645ActiveIndividual· Internal Medicine, Gastroenterology· Katy, TX
Internal Medicine, Gastroenterology (D.O.) in Katy, Texas, trained at Oklahoma State University College of Osteopathic Medicine (class of 2000). In 2024 Medicare paid $89,859 for 421 patients, and Part D covered 641 of their prescriptions, 88% of them generic. Abbvie Inc. was the largest of 2 companies reporting payments in 2025, $134.14 in all, mostly food and beverage.
Overview
| NPI | 1346202645 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Apr 4, 2006 |
| Last updated in NPPES | Jan 22, 2025 |
| Certified by provider | Jan 22, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | N3111 | 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 - Gastroenterology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 421 |
|---|---|
| Services billed | 1,009 across 50 procedure codes |
| Paid by Medicare | $89,859 |
Part D prescriptions in 2024
| Prescriptions (claims) | 641 · 1,408 30-day fills |
|---|---|
| Patients | 291 |
| Total drug cost | $26,586 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | Oklahoma State University College of Osteopathic Medicine |
|---|---|
| Graduation year | 2000 |
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
Medical group
- Kelsey-Seybold Medical Group, PLLCHouston, TX · 957 clinicians
Industry payments (Open Payments)
- 2025$134.14 · 2 payments from 2 companies
- 2024$683.99 · 13 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $84.16 | 1 |
| Boston Scientific Corporation | $49.98 | 1 |
What the 2025 payments were for
- Food and Beverage$134.14 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 29 gastroenterologists in Katy · All gastroenterologists in Texas