Gerald D. Youker, MD
NPI 1912908138ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Portland, OR
Internal Medicine, Endocrinology, Diabetes & Metabolism (MD) in Portland, Oregon, trained at Loma Linda University School of Medicine (class of 1971). Their prescriptions cost Medicare Part D more than their services did: $446,477 for 2,155 claims, against $21,755 paid for services in 2024. Novo Nordisk Inc was the largest of 9 companies reporting payments in 2025, $445.52 in all, mostly food and beverage.
Overview
| NPI | 1912908138 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 10, 2005 |
| Last updated in NPPES | Sep 22, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | MD019378 | 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 - Endocrinology (OR) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 117 |
|---|---|
| Services billed | 454 across 6 procedure codes |
| Paid by Medicare | $21,755 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,155 · 5,689 30-day fills |
|---|---|
| Patients | 252 |
| Total drug cost | $446,477 |
| Generic share | 48% of claims |
Education and affiliations
| Medical school | Loma Linda University School of Medicine |
|---|---|
| Graduation year | 1971 |
| Medicare specialty | Endocrinology |
Medical group
- The Endocrine Clinic PCPortland, OR · 2 clinicians
Hospital affiliations
- Adventist Health PortlandPortland, OR
- Adventist Health TillamookTillamook, OR
- Providence Willamette Falls Medical CenterOregon City, OR
Industry payments (Open Payments)
- 2025$445.52 · 24 payments from 9 companies
- 2024$586.08 · 29 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $109.14 | 6 |
| Ascendis Pharma Endocrinology Inc | $85.50 | 5 |
| Abbvie Inc. | $64.71 | 3 |
| Amgen Inc. | $52.03 | 3 |
| Dexcom, Inc. | $47.76 | 2 |
What the 2025 payments were for
- Food and Beverage$445.52 · 24 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 63 endocrinologists in Portland · All endocrinologists in Oregon