Quick answers
- Does Karen L. Weisman accept Medicare assignment?
- Yes. Medicare's clinician data says Karen L. Weisman accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- What is Karen L. Weisman's NPI number?
- 1134100944. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Karen L. Weisman is enrolled with Medicare (CMS data updated October 2, 2026).
- 2310 NW Kings BlvdCorvallis, OR 97330 (541) 754‑1530
Specialties
- Internal Medicineprimary
- Addiction Medicinealso
Other internal medicine doctors in Corvallis
Clinicians with the same Medicare primary specialty in Corvallis, OR — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Northwestern University Feinberg Medical School |
| Graduation year | 1992 (34 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1134100944 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians