Doctor profile · Federal record

Dr. Joseph Tsai, MD, PHD

Radiation Oncology Physician (CMS: Radiation Oncology) · Tacoma, WA

  • NPI 1043875297
  • Accepts Medicare
  • 7 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1003 S 5Th St
Tacoma, WA 984054210
(253) 403-4994
fax (253) 403-4991
Additional location
550 1St Ave
New York, NY 100166402
(212) 263-5506
Mailing address
Po Box 5299, MS: 820-5-Pco
Tacoma, WA 984150299

Credentials & registration

NPPES · NUCC
NPI registered
May 2019 — 7 yrs on file
Profile last updated
November 4, 2024
Year of graduation
2019 — 7 yrs since
Specialty taxonomy
2085R0001X — NUCC code
State license (1)
Washington #MD61522808

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1043875297. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$29
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Novocure INC. 1 $28.51

By nature of payment

Food and Beverage
$29

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Joseph Tsai's medical specialty?
Dr. Joseph Tsai practices Radiation Oncology Physician in Tacoma, WA.
Where does Dr. Joseph Tsai practice?
Dr. Joseph Tsai practices at 1003 S 5Th St, Tacoma, WA 984054210. Office phone: 2534034994.
What is Dr. Joseph Tsai's NPI?
Dr. Joseph Tsai's National Provider Identifier (NPI) is 1043875297, issued by NPPES.
Does Dr. Joseph Tsai accept Medicare assignment?
Yes. Dr. Joseph Tsai accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.