Wilson Shu-Chun Tsai, MD
Thoracic Surgery (Cardiothoracic Vascular Surgery) (MD) with Bass Medical Group and 1 other group, practicing in Walnut Creek, California. Mostly services rather than prescriptions: Medicare paid $168,030 for 219 patients in 2024, with only 17 Part D claims. Davol Inc. was the largest of 9 companies reporting payments in 2025, $32,969 in all, mostly travel and lodging. Lists John Muir Medical Center - Concord Campus and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1609035666 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 5, 2008 |
| Last updated in NPPES | Feb 11, 2025 |
| Certified by provider | Feb 11, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Thoracic Surgery (Cardiothoracic Vascular Surgery) Primary | 208G00000X | A106238 | CA |
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 - Thoracic Surgery (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 219 |
|---|---|
| Services billed | 594 across 54 procedure codes |
| Paid by Medicare | $168,030 |
Part D prescriptions in 2024
| Prescriptions (claims) | 17 · 17 30-day fills |
|---|---|
| Patients | 16 |
| Total drug cost | $159.07 |
| Generic share | 100% of claims |
Education and affiliations
| Graduation year | 1999 |
|---|---|
| Medicare specialty | Thoracic Surgery |
| Telehealth | Offers telehealth |
Medical groups
- Bass Medical GroupChico, CA · 291 clinicians
- Orohealth Corporation A Non Profit Healthcare SystemOroville, CA · 120 clinicians
Hospital affiliations
- John Muir Medical Center - Concord CampusConcord, CA
- John Muir Medical Center - Walnut Creek CampusWalnut Creek, CA
- Oroville HospitalOroville, CA
- Redlands Community HospitalRedlands, CA
Other facilities
- American Home Health Care, LLCHome health agency · Dublin, CA
Industry payments (Open Payments)
- 2025$32,969 · 133 payments from 9 companies
- 2024$98,990 · 201 payments from 16 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Davol Inc. | $15,305 | 87 |
| Intuitive Surgical, Inc. | $8,444 | 18 |
| Pinnacle Biologics, Inc | $8,397 | 7 |
| Atricure, Inc. | $607.62 | 14 |
| Astrazeneca Pharmaceuticals LP | $68.49 | 1 |
What the 2025 payments were for
- Travel and Lodging$17,267 · 58 payments
- Education$6,068 · 4 payments
- Food and Beverage$3,933 · 66 payments
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$3,300 · 4 payments
- Consulting Fee$2,400 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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