Sasha Waldstein
NPI 1053773051ActiveIndividual· Internal Medicine, Hematology· Vancouver, WA
Internal Medicine, Hematology in Vancouver, Washington, trained at University of Rochester School of Medicine and Dentistry (class of 2016). Their prescriptions cost Medicare Part D more than their services did: $1,269,925 for 1,130 claims, against $53,229 paid for services in 2024. Adaptive Biotechnologies Corporation reported $159.28 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1053773051 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Mar 28, 2016 |
| Last updated in NPPES | Dec 18, 2023 |
| Certified by provider | Dec 18, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology Primary | 207RH0000X | MD61244279 | WA |
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 (WA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 141 |
|---|---|
| Services billed | 737 across 11 procedure codes |
| Paid by Medicare | $53,229 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,130 · 1,728 30-day fills |
|---|---|
| Patients | 213 |
| Total drug cost | $1,269,925 |
| Generic share | 84% of claims |
Education and affiliations
| Medical school | University of Rochester School of Medicine and Dentistry |
|---|---|
| Graduation year | 2016 |
| Medicare specialty | Hematology/Oncology |
| Telehealth | Offers telehealth |
Medical group
- Legacy Salmon Creek HospitalPortland, OR · 301 clinicians
Hospital affiliation
- Legacy Salmon Creek Medical CenterVancouver, WA
Industry payments (Open Payments)
- 2025$159.28 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Adaptive Biotechnologies Corporation | $159.28 | 1 |
What the 2025 payments were for
- Food and Beverage$159.28 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Hematology providers in Vancouver
- 1689777583
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