Chris Byung Hyun, M.D.
NPI 1447230594ActiveIndividual· Internal Medicine, Gastroenterology· Tigard, OR
Internal Medicine, Gastroenterology (M.D.) with Portland Clinic, practicing in Tigard, Oregon. Their prescriptions cost Medicare Part D more than their services did: $287,349 for 978 claims, against $29,892 paid for services in 2024. Salix Pharmaceuticals, A Division of Bausch Health US, LLC was the largest of 6 companies reporting payments in 2025, $232.96 in all, mostly food and beverage. Lists Legacy Good Samaritan Medical Center as a hospital affiliation.
Overview
| NPI | 1447230594 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jan 17, 2006 |
| Last updated in NPPES | Nov 12, 2020 |
| Certified by provider | Nov 12, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | MD26315 | OR |
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 (OR) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 163 |
|---|---|
| Services billed | 843 across 39 procedure codes |
| Paid by Medicare | $29,892 |
Part D prescriptions in 2024
| Prescriptions (claims) | 978 · 1,975 30-day fills |
|---|---|
| Patients | 424 |
| Total drug cost | $287,349 |
| Generic share | 81% of claims |
Education and affiliations
| Graduation year | 1994 |
|---|---|
| Medicare specialty | Gastroenterology |
| Telehealth | Offers telehealth |
Medical group
- Portland ClinicBeaverton, OR · 94 clinicians
Hospital affiliation
- Legacy Good Samaritan Medical CenterPortland, OR
Industry payments (Open Payments)
- 2025$232.96 · 10 payments from 6 companies
- 2024$402.31 · 17 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $66.54 | 3 |
| Aimmune Therapeutics, Inc. | $48.06 | 2 |
| Abbvie Inc. | $44.32 | 2 |
| Janssen Biotech, Inc. | $41.41 | 1 |
| Pfizer Inc. | $18.60 | 1 |
What the 2025 payments were for
- Food and Beverage$232.96 · 10 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other gastroenterologists in Tigard
- 1154307478