Rebecca Wang Silbermann, MD
NPI 1629187299ActiveIndividual· Internal Medicine, Hematology· Portland, OR
Internal Medicine, Hematology (MD) in Portland, Oregon, trained at Warren Alpert Medical School of Brown University (class of 2004). Their prescriptions cost Medicare Part D more than their services did: $5,466,386 for 1,134 claims, against $75,700 paid for services in 2024. Genentech USA, Inc. was the largest of 6 companies reporting payments in 2025, $5,507 in all, mostly consulting fees.
Overview
| NPI | 1629187299 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 29, 2006 |
| Last updated in NPPES | Jul 19, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology Primary | 207RH0000X | MD183165 | OR |
| Internal Medicine, Hematology & Oncology | 207RH0003X | 435640 | PA |
| Internal Medicine | 207R00000X | 242977 | NY |
| Internal Medicine, Hematology & Oncology | 207RH0003X | 01070736A | IN |
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 - Hematology/Oncology (OR) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 144 |
|---|---|
| Services billed | 1,012 across 13 procedure codes |
| Paid by Medicare | $75,700 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,134 · 1,759 30-day fills |
|---|---|
| Patients | 122 |
| Total drug cost | $5,466,386 |
| Generic share | 80% of claims |
Education and affiliations
| Medical school | Warren Alpert Medical School of Brown University |
|---|---|
| Graduation year | 2004 |
| Medicare specialty | Hematology/Oncology |
| Telehealth | Offers telehealth |
Medical group
- University Professional ServicesBeaverton, OR · 1,724 clinicians
Hospital affiliations
- Good Samaritan Regional Medical CenterCorvallis, OR
- Ohsu Hospital and ClinicsPortland, OR
Industry payments (Open Payments)
- 2025$5,507 · 10 payments from 6 companies
- 2024$5,638 · 5 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Genentech USA, Inc. | $2,591 | 3 |
| Janssen Scientific Affairs, LLC | $1,420 | 3 |
| Janssen Biotech, Inc. | $1,260 | 1 |
| Astrazeneca Uk Limited | $96.21 | 1 |
| Genzyme Corporation | $84.40 | 1 |
What the 2025 payments were for
- Consulting Fee$4,849 · 3 payments
- Food and Beverage$501.07 · 6 payments
- Travel and Lodging$156.14 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 27 Internal Medicine, Hematology providers in Portland · All Internal Medicine, Hematology providers in Oregon