Zachary Robert Ashwell, MD
NPI 1396189445ActiveIndividual· Radiology, Diagnostic Radiology· Lynnwood, WA
Radiology, Diagnostic Radiology (MD) in Lynnwood, Washington, trained at George Washington University School of Medicine (class of 2013). Medicare paid $224,040 for services to 4,437 patients in 2024. Si-Bone, Inc. reported $564.16 in payments in 2025, mostly travel and lodging.
Overview
| NPI | 1396189445 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 19, 2013 |
| Last updated in NPPES | Dec 4, 2025 |
| Certified by provider | Dec 4, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Radiology, Diagnostic Radiology Primary | 2085R0202X | MD60831641 | 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 - Diagnostic Radiology (CA); Practitioner - Diagnostic Radiology (WA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 4,437 |
|---|---|
| Services billed | 15,464 across 152 procedure codes |
| Paid by Medicare | $224,040 |
Education and affiliations
| Medical school | George Washington University School of Medicine |
|---|---|
| Graduation year | 2013 |
| Medicare specialty | Diagnostic Radiology |
Medical groups
- County of Santa ClaraSan Jose, CA · 1,022 clinicians
- Optum Care Washington PLLCEverett, WA · 683 clinicians
- Radia California Radiology Medical Group IncMarietta, OH · 136 clinicians
- Radia Oregon Radiology Medical Group LLCMarietta, OH · 121 clinicians
- Evergreen Radia LLCMarietta, OH · 120 clinicians
- Swedish Radia Imaging Center at Edmonds LLCMarietta, OH · 112 clinicians
- Tower Imaging Medical Associates IncSeattle, WA · 95 clinicians
- Medford Radiological Group PCSeattle, WA · 89 clinicians
- South Sound Radiologists Inc P SPortland, OR · 78 clinicians
- Radia Imaging Center Holdings LLCSeattle, WA · 45 clinicians
Hospital affiliations
- Northwest Specialty HospitalPost Falls, ID
- Overlake Hospital Medical Center & ClinicsBellevue, WA
- Swedish IssaquahIssaquah, WA
- Swedish Medical CenterSeattle, WA
- Swedish Medical Center / Cherry HillSeattle, WA
Industry payments (Open Payments)
- 2025$564.16 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Si-Bone, Inc. | $564.16 | 1 |
What the 2025 payments were for
- Travel and Lodging$564.16 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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