Wilson Tsai, MD
NPI 1609035666 · Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Walnut Creek, CA
Enrolled with Medicare as Practitioner - Thoracic Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Wilson Tsai, MD is a Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician provider in Walnut Creek, CA (NPI 1609035666).
Provider details
- NPI number
- 1609035666
- Entity type
- Individual
- Primary specialty
- Thoracic Surgery (Cardiothoracic Vascular Surgery) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A106238 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
18 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
470 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 99 | $266 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 87 | $158 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 72 | $221 |
| Repair of Hernia of Muscle at Esophagus and Stomach With Implantation of Mesh Using an Endoscope43282 | 40 | $1,848 |
| Insertion of Guide Wire With Dilation of Esophagus Using a Flexible Endoscope43248 | 27 | $191 |
| Review By Radiologist of Image to Guide Opening of Digestive Tract |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$98,091 across 190 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-06-05
- Last updated
- 2025-02-11
- Certified
- 2025-02-11
Frequently asked questions
- What is Wilson Tsai's NPI number?
- Wilson Tsai's National Provider Identifier (NPI) is 1609035666, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Wilson Tsai's specialty?
- Wilson Tsai is listed in the NPPES registry with a primary specialty of Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (Allopathic & Osteopathic Physicians).
- Where is Wilson Tsai located?
- Wilson Tsai's practice location on file with NPPES is 2637 Shadelands Dr, Walnut Creek, CA 94598-2512.
- What is Wilson Tsai's phone number?
- The practice phone number listed in the NPPES registry for Wilson Tsai is (925) 932-6330.
- Does Wilson Tsai accept Medicare?
- Wilson Tsai is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Wilson Tsai's NPI active?
- Yes — Wilson Tsai's NPI (1609035666) is active in the NPPES registry as of the last update on 2025-02-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.