HealthCareAtlasUSA

This site republishes official CMS/Medicare Care Compare data. It is not medical advice and does not recommend any specific hospital or treatment — for medical decisions, talk to a doctor.

Doctors / TX

WILLIAM MATSUI, MD

MEDICAL ONCOLOGY

Medical school: UNIVERSITY OF CALIFORNIA, SAN FRANCISCO SCHOOL OF MEDICINE

Graduated: 1995

Offers telehealth

NPI: 1568411049

Practice Locations (5)

SETON FAMILY OF DOCTORS

1400 N IH 35

AUSTIN, TX 787011926

SETON FAMILY OF DOCTORS

1400 N IH 35 LL, CL400 TRI COUNTY PRAC ASSOC

AUSTIN, TX 787011926

5123247300

THE UNIVERSITY OF TEXAS AT AUSTIN

1601 TRINITY ST

AUSTIN, TX 787121765

8338822737

SETON FAMILY OF DOCTORS

1601 TRINITY ST, STOP 804

AUSTIN, TX 787121866

5123247865

PHYSICIANS REFERRAL SERVICE

1515 HOLCOMBE BLVD

HOUSTON, TX 770304000

7137926313

Source: CMS National Downloadable File, September 2026.

WILLIAM MATSUI, MD | HealthCareAtlasUSA