Robert W. Davis, MD
NPI 1629481452ActiveIndividual· Internal Medicine· Corvallis, OR
Internal Medicine (MD) with Good Samaritan Hospital Corvallis and 1 other group, practicing in Corvallis, Oregon. Their prescriptions cost Medicare Part D more than their services did: $3,293,629 for 1,888 claims, against $51,447 paid for services in 2024. Tempus Ai, Inc was the largest of 22 companies reporting payments in 2025, $1,346 in all, mostly food and beverage. Lists Good Samaritan Regional Medical Center and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1629481452 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 10, 2014 |
| Last updated in NPPES | Aug 7, 2023 |
| Certified by provider | Aug 7, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | MD203828 | OR |
| Hospitalist | 208M00000X | 289595 | NY |
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 - Internal Medicine (OR) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 202 |
|---|---|
| Services billed | 923 across 15 procedure codes |
| Paid by Medicare | $51,447 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,888 · 2,880 30-day fills |
|---|---|
| Patients | 300 |
| Total drug cost | $3,293,629 |
| Generic share | 81% of claims |
Education and affiliations
| Graduation year | 2014 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Good Samaritan Hospital CorvallisCorvallis, OR · 380 clinicians
- Mid-Valley Healthcare IncLebanon, OR · 147 clinicians
Hospital affiliations
- Good Samaritan Regional Medical CenterCorvallis, OR
- Samaritan Albany General HospitalAlbany, OR
- Samaritan Lebanon Community HospitalLebanon, OR
- Samaritan Pacific Community HospitalNewport, OR
Industry payments (Open Payments)
- 2025$1,346 · 40 payments from 22 companies
- 2024$1,480 · 62 payments from 34 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Tempus Ai, Inc | $261.81 | 4 |
| Janssen Scientific Affairs, LLC | $196.75 | 2 |
| Janssen Biotech, Inc. | $111.45 | 4 |
| Astrazeneca Pharmaceuticals LP | $107.15 | 4 |
| Genentech USA, Inc. | $97.00 | 2 |
What the 2025 payments were for
- Food and Beverage$1,273 · 38 payments
- Education$73.45 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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