Smith Apisarnthanarax, MD
NPI 1184839722ActiveIndividual· Radiology, Radiation Oncology· Seattle, WA
Radiology, Radiation Oncology (MD) in Seattle, Washington, trained at Warren Alpert Medical School of Brown University (class of 2002). Mostly services rather than prescriptions: Medicare paid $88,845 for 261 patients in 2024, with only 27 Part D claims. Elekta, Inc. reported $82.65 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1184839722 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 14, 2007 |
| Last updated in NPPES | May 30, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Radiology, Radiation Oncology Primary | 2085R0001X | MD60335889 | 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 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Radiation Oncology (WA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 261 |
|---|---|
| Services billed | 1,051 across 26 procedure codes |
| Paid by Medicare | $88,845 |
Part D prescriptions in 2024
| Prescriptions (claims) | 27 · 43 30-day fills |
|---|---|
| Patients | 19 |
| Total drug cost | $257.01 |
| Generic share | 96% of claims |
Education and affiliations
| Medical school | Warren Alpert Medical School of Brown University |
|---|---|
| Graduation year | 2002 |
| Medicare specialty | Radiation Oncology |
| Telehealth | Offers telehealth |
Medical group
- The Association of University PhysiciansSeattle, WA · 3,535 clinicians
Hospital affiliation
- University of Washington Medical CtrSeattle, WA
Industry payments (Open Payments)
- 2025$82.65 · 1 payment from 1 company
- 2024$92.92 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Elekta, Inc. | $82.65 | 1 |
What the 2025 payments were for
- Food and Beverage$82.65 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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