Chawannuch Ruaengsri, MD
NPI 1134788136ActiveIndividual· Thoracic Surgery (Cardiothoracic Vascular Surgery)· Palo Alto, CA
Thoracic Surgery (Cardiothoracic Vascular Surgery) (MD) with Stanford Health Care, practicing in Palo Alto, California. Medicare paid $57,710 for services to 96 patients in 2024. Paragonix Technologies, Inc. reported $124,889 in payments in 2025, mostly consulting fees. Lists Stanford Health Care as a hospital affiliation.
Overview
| NPI | 1134788136 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 12, 2019 |
| Last updated in NPPES | Apr 27, 2024 |
| Certified by provider | Apr 27, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Thoracic Surgery (Cardiothoracic Vascular Surgery) Primary | 208G00000X | SPI719 | CA |
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 (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 96 |
|---|---|
| Services billed | 328 across 5 procedure codes |
| Paid by Medicare | $57,710 |
Education and affiliations
| Graduation year | 2005 |
|---|---|
| Medicare specialty | Thoracic Surgery |
Medical group
- Stanford Health CareStanford, CA · 3,122 clinicians
Hospital affiliation
- Stanford Health CareStanford, CA
Industry payments (Open Payments)
- 2025$124,889 · 25 payments from 1 company
- 2024$59,348 · 23 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Paragonix Technologies, Inc. | $124,889 | 25 |
What the 2025 payments were for
- Consulting Fee$124,500 · 22 payments
- Travel and Lodging$388.91 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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