Doctor profile · Federal record

Dr. Wilson Tsai, MD

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (CMS: Thoracic Surgery) · Walnut Creek, CA

  • NPI 1609035666
  • Accepts Medicare
  • MIPS 89.4 / 100 · 2023
  • 27 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2637 Shadelands Dr
Walnut Creek, CA 945982512
(925) 932-6330
fax (925) 932-0139

Credentials & registration

NPPES · NUCC
NPI registered
June 2008 — 18 yrs on file
Profile last updated
February 11, 2025
Year of graduation
1999 — 27 yrs since
Specialty taxonomy
208G00000X — NUCC code
State license (1)
California #A106238

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1609035666. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
619
Distinct HCPCS
10
Medicare allowed
$190,334
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 113 85 $153
99205 New patient office or other outpatient visit, 60-74 minutes 108 108 $260
99215 Established patient office or other outpatient visit, 40-54 minutes 62 56 $214
43282 Repair of hernia of muscle at esophagus and stomach with implantation of mesh using an endoscope 45 45 $1,873
74360 Review by radiologist of image to guide opening of digestive tract 40 30 $30
43248 Insertion of guide wire with dilation of esophagus using a flexible endoscope 34 25 $187
99213 Established patient office or other outpatient visit, 20-29 minutes 24 24 $108
91010 Study of esophagus to assess movement 23 23 $294
91037 Monitoring and recording of esophageal function through nasal tube with electrode 22 22 $224
32674 Removal of lymph nodes of chest cavity using an endoscope 19 19 $221

In context: peer comparison

Among 2 peers in Walnut Creek Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician, average services per provider: 34. This provider delivers 18× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$98,091
Transactions
189
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Intuitive Surgical, INC. 104 $72,501.23
Ethicon INC. 4 $9,362.50
Davol INC. 32 $3,993.30
Medical Device Business Services, INC. 6 $3,763.38
Noah Medical Corporation 1 $3,000.00
Pinnacle Biologics, INC 3 $1,854.03
Atricure, INC. 20 $1,578.10
Becton, Dickinson and Company 5 $986.06
Tela Bio, INC. 2 $216.92
Galvanize Therapeutics, INC 2 $189.76
Pulmonx Corporation 5 $189.38
Siemens Medical Solutions USA, INC. 1 $143.18
Teleflex LLC 2 $134.62
Galderma Laboratories, L.P. 1 $127.83
On Target Laboratories, INC 1 $27.91

By nature of payment

Education
$32,500
Compensation for Services Other Than Consulting, Including Serving As Faculty or As A Speaker at A Venue Other Than A Continuing Education Program
$30,341
Consulting Fee
$14,503
Travel and Lodging
$14,234
Food and Beverage
$6,505
Gift
$9

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
33
Patients
29
Total drug cost
$375
Drug Type Claims Patients Total cost
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 33 29 $375

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Wilson Tsai's medical specialty?
Dr. Wilson Tsai practices Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician in Walnut Creek, CA.
Where does Dr. Wilson Tsai practice?
Dr. Wilson Tsai practices at 2637 Shadelands Dr, Walnut Creek, CA 945982512. Office phone: 9259326330.
What is Dr. Wilson Tsai's NPI?
Dr. Wilson Tsai's National Provider Identifier (NPI) is 1609035666, issued by NPPES.
Does Dr. Wilson Tsai accept Medicare assignment?
Yes. Dr. Wilson Tsai accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Wilson Tsai commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99205); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.