Gregory M. Knopf, M.D.
NPI 1508837378ActiveIndividual· Family Medicine· Troutdale, OR
Family Medicine (M.D.) in Troutdale, Oregon, trained at Oregon Health Sciences University School of Medicine (class of 1976). Their prescriptions cost Medicare Part D more than their services did: $692,661 for 8,888 claims, against $29,961 paid for services in 2024.
Overview
| NPI | 1508837378 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jan 30, 2006 |
| Last updated in NPPES | Mar 7, 2025 |
| Certified by provider | Mar 7, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | MD10780 | 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) | Enrolled Practitioner - Family Practice (OR) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 201 |
|---|---|
| Services billed | 698 across 24 procedure codes |
| Paid by Medicare | $29,961 |
Part D prescriptions in 2024
| Prescriptions (claims) | 8,888 · 20,082 30-day fills |
|---|---|
| Patients | 655 |
| Total drug cost | $692,661 |
| Generic share | 90% of claims |
Education and affiliations
| Medical school | Oregon Health Sciences University School of Medicine |
|---|---|
| Graduation year | 1976 |
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
Medical group
- Portland Adventist Medical CenterPortland, OR · 271 clinicians
Hospital affiliations
- Adventist Health PortlandPortland, OR
- Legacy Mount Hood Medical CenterGresham, OR
- Ohsu Hospital and ClinicsPortland, OR
Other facilities
- Adventist Health Home Care ServicesHome health agency · Portland, OR
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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