Mohamed Alassas, MD
NPI 1871609933ActiveIndividual· Surgery, Surgical Oncology· Seattle, WA
Surgery, Surgical Oncology (MD) with Swedish Health Services, practicing in Seattle, Washington. Mostly services rather than prescriptions: Medicare paid $53,088 for 79 patients in 2024, with only 38 Part D claims. Intuitive Surgical, Inc. was the largest of 3 companies reporting payments in 2025, $8,084 in all, mostly education. Lists Swedish Medical Center as a hospital affiliation.
Overview
| NPI | 1871609933 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 22, 2006 |
| Last updated in NPPES | Jul 17, 2026 |
| Certified by provider | Jul 17, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery, Surgical Oncology Primary | 2086X0206X | MD60693493 | WA |
| Surgery | 208600000X | MD60693493 | WA |
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 - General Surgery (WA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 79 |
|---|---|
| Services billed | 138 across 44 procedure codes |
| Paid by Medicare | $53,088 |
Part D prescriptions in 2024
| Prescriptions (claims) | 38 · 45 30-day fills |
|---|---|
| Patients | 14 |
| Total drug cost | $12,142 |
| Generic share | 82% of claims |
Education and affiliations
| Graduation year | 1996 |
|---|---|
| Medicare specialty | General Surgery |
| Telehealth | Offers telehealth |
Medical group
- Swedish Health ServicesSeattle, WA · 1,037 clinicians
Hospital affiliation
- Swedish Medical CenterSeattle, WA
Industry payments (Open Payments)
- 2025$8,084 · 19 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Intuitive Surgical, Inc. | $7,135 | 13 |
| Histosonics, Inc. | $807.49 | 4 |
| Boston Scientific Corporation | $141.57 | 2 |
What the 2025 payments were for
- Education$5,250 · 4 payments
- Travel and Lodging$2,587 · 11 payments
- Food and Beverage$247.37 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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