Douglas Zhi-Wen Liou, M.D.
NPI 1891052080ActiveIndividual· Thoracic Surgery (Cardiothoracic Vascular Surgery)· Palo Alto, CA
Thoracic Surgery (Cardiothoracic Vascular Surgery) (M.D.) in Palo Alto, California, trained at New York Medical College (class of 2010). Mostly services rather than prescriptions: Medicare paid $187,364 for 306 patients in 2024, with only 15 Part D claims. Tela Bio, Inc. was the largest of 6 companies reporting payments in 2025, $2,541 in all, mostly travel and lodging.
Overview
| NPI | 1891052080 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 12, 2012 |
| 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 | A119889 | CA |
| Surgery | 208600000X | A119889 | 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 | 306 |
|---|---|
| Services billed | 714 across 78 procedure codes |
| Paid by Medicare | $187,364 |
Part D prescriptions in 2024
| Prescriptions (claims) | 15 · 21 30-day fills |
|---|---|
| Patients | 11 |
| Total drug cost | $182.12 |
| Generic share | 100% of claims |
Education and affiliations
| Medical school | New York Medical College |
|---|---|
| Graduation year | 2010 |
| Medicare specialty | Thoracic Surgery |
| Telehealth | Offers telehealth |
Medical group
- Stanford Health CareStanford, CA · 3,122 clinicians
Hospital affiliations
- Stanford Health CareStanford, CA
- Stanford Health Care Tri-ValleyPleasanton, CA
Industry payments (Open Payments)
- 2025$2,541 · 17 payments from 6 companies
- 2024$756.74 · 15 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Tela Bio, Inc. | $1,767 | 8 |
| Medtronic, Inc. | $512.14 | 5 |
| Astrazeneca Pharmaceuticals LP | $123.15 | 1 |
| Atricure, Inc. | $51.29 | 1 |
| Stryker Corporation | $46.58 | 1 |
What the 2025 payments were for
- Travel and Lodging$1,570 · 3 payments
- Food and Beverage$970.86 · 14 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 42 cardiothoracic surgeons in Palo Alto · All cardiothoracic surgeons in California