Aaron M. Cheng, MD
NPI 1861548455ActiveIndividual· Thoracic Surgery (Cardiothoracic Vascular Surgery)· Seattle, WA
Thoracic Surgery (Cardiothoracic Vascular Surgery) (MD) in Seattle, Washington, trained at Harvard Medical School (class of 2000). Mostly services rather than prescriptions: Medicare paid $29,834 for 48 patients in 2024, with only 30 Part D claims. Intuitive Surgical, Inc. was the largest of 4 companies reporting payments in 2025, $6,042 in all, mostly education.
Overview
| NPI | 1861548455 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jan 26, 2007 |
| Last updated in NPPES | Feb 7, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Thoracic Surgery (Cardiothoracic Vascular Surgery) Primary | 208G00000X | MD00048009 | WA |
| Surgery | 208600000X | MD00048009 | WA |
| Surgery, Surgical Critical Care | 2086S0102X | MD00048009 | 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 - Thoracic Surgery (WA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 48 |
|---|---|
| Services billed | 139 across 48 procedure codes |
| Paid by Medicare | $29,834 |
Part D prescriptions in 2024
| Prescriptions (claims) | 30 · 30 30-day fills |
|---|---|
| Total drug cost | $815.12 |
| Generic share | 97% of claims |
Education and affiliations
| Medical school | Harvard Medical School |
|---|---|
| Graduation year | 2000 |
| Medicare specialty | Thoracic Surgery |
| Secondary specialties | Cardiac Surgery |
Medical group
- The Association of University PhysiciansSeattle, WA · 3,535 clinicians
Hospital affiliations
- Harborview Medical CenterSeattle, WA
- University of Washington Medical CtrSeattle, WA
Industry payments (Open Payments)
- 2025$6,042 · 16 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Intuitive Surgical, Inc. | $3,365 | 7 |
| Fujifilm Sonosite, Inc. | $1,400 | 2 |
| Zimmer Biomet Holdings, Inc. | $1,256 | 6 |
| Insulet Corporation | $21.26 | 1 |
What the 2025 payments were for
- Education$2,500 · 1 payment
- Travel and Lodging$1,766 · 8 payments
- Consulting Fee$1,400 · 2 payments
- Food and Beverage$376.67 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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