Kathryn L. Huyssoon, MD
NPI 1023000387ActiveIndividual· Internal Medicine· Gresham, OR
Internal Medicine (MD) in Gresham, Oregon, trained at University of Oklahoma College of Medicine (class of 1993). Their prescriptions cost Medicare Part D more than their services did: $659,604 for 6,194 claims, against $12,139 paid for services in 2024.
Overview
| NPI | 1023000387 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 22, 2005 |
| Last updated in NPPES | Dec 19, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | MD17970 | OR |
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) | Not in the public enrollment file of Oct 1, 2026 |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 103 |
|---|---|
| Services billed | 443 across 11 procedure codes |
| Paid by Medicare | $12,139 |
Part D prescriptions in 2024
| Prescriptions (claims) | 6,194 · 13,749 30-day fills |
|---|---|
| Patients | 387 |
| Total drug cost | $659,604 |
| Generic share | 86% of claims |
Education and affiliations
| Medical school | University of Oklahoma College of Medicine |
|---|---|
| Graduation year | 1993 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Hospital affiliations
- Legacy Good Samaritan Medical CenterPortland, OR
- Legacy Mount Hood Medical CenterGresham, OR
- Ohsu Hospital and ClinicsPortland, OR
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine providers in Gresham
- 1134204340
- 1558354522
- 1861452765
- 1255369559
- 1346288123
- 1568805786
- 1982660700
- 1033183918
- 1104844661
- 1770561813
- 1508975715
- 1730133679