William B. Pearse, MD
NPI 1225423148ActiveIndividual· Internal Medicine, Hematology & Oncology· Portland, OR
Internal Medicine, Hematology & Oncology (MD) with Regents of the University of California and 1 other group, practicing in Portland, Oregon. Their prescriptions cost Medicare Part D more than their services did: $1,498,995 for 508 claims, against $45,128 paid for services in 2024. Blueprint Medicines Corporation reported $96.55 in payments in 2024, mostly food and beverage. Lists Providence Milwaukie Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1225423148 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 30, 2015 |
| Last updated in NPPES | Nov 4, 2025 |
| Certified by provider | Nov 4, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | 173950 | CA |
| Internal Medicine, Hematology & Oncology | 207RH0003X | MD227390 | OR |
| Internal Medicine, Hematology | 207RH0000X | MD227390 | OR |
| Internal Medicine | 207R00000X | 123456789 | IL |
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 (CA); Practitioner - Hematology/Oncology (OR) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 201 |
|---|---|
| Services billed | 509 across 14 procedure codes |
| Paid by Medicare | $45,128 |
Part D prescriptions in 2024
| Prescriptions (claims) | 508 · 659 30-day fills |
|---|---|
| Patients | 61 |
| Total drug cost | $1,498,995 |
| Generic share | 71% of claims |
Education and affiliations
| Graduation year | 2015 |
|---|---|
| Medicare specialty | Hematology/Oncology |
| Telehealth | Offers telehealth |
Medical groups
- Regents of the University of CaliforniaSan Diego, CA · 2,089 clinicians
- Providence Health and Services OregonPortland, OR · 1,433 clinicians
Hospital affiliations
- Providence Milwaukie HospitalMilwaukie, OR
- Providence Portland Medical CenterPortland, OR
- Uc San Diego Health Hillcrest - Hillcrest Med CtrSan Diego, CA
Industry payments (Open Payments)
- 2024$96.55 · 1 payment from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Blueprint Medicines Corporation | $96.55 | 1 |
What the 2024 payments were for
- Food and Beverage$96.55 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 66 hematologist-oncologists in Portland · All hematologist-oncologists in Oregon