William Hikaru Matsui, MD

Medical oncologist in Houston, Texas · NPI 1568411049

William Matsui is one of 143 medical oncologists practicing in Houston, Texas. William Matsui practices with Physicians Referral Service, Seton Family Of Doctors, and The University Of Texas At Austin.

Registry record (NPPES)

NPI
1568411049
Type
Type 1 · Individual
Primary taxonomy
Internal Medicine, Medical Oncology · 207RX0202X
Address on file
1515 Holcombe Blvd
Houston, TX 77030-4000
(713) 792-6161
Enumerated
May 10, 2006
Record last updated
May 13, 2026
License states listed
TX

Medicare (CMS)

Enrollment
Medicare-enrolled in TX
Medical Oncology
Revalidation due
No date set by CMS

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Practice locations

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Updated August 2026. Practice locations and specialty come from the CMS Doctors and Clinicians file, the registry record from NPPES, and enrollment from CMS Medicare enrollment files. NPI records are corrected at the source, through NPPES.