Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. William Thieu, MD, MS

Individual provider Surgery Physician · NPI 1912273996

Dr. William Thieu, MD, MS is an Urology in Sacramento, California. Graduated from University of California, Davis School of Medicine in 2014, 12 years ago. Practices with County of Santa Clara, a 993-clinician group, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
12
Trained at
University of California, Davis School of Medicine
Licensed in
CA
In the registry since
2012
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
MS — Master of Science
A graduate science degree.

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Practice location Address checks out

4860 Y St Ste 2200
Sacramento, CA 95817-2307
Phone: (310) 876-2888
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Urology Physician (primary) Taxonomy 208800000X · Licence 1 (CA)
Surgery Physician Taxonomy 208600000X · Licence 1 (CA)

Record details

NPI number1912273996
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , MS
Sole proprietorNo
NPI enumeratedMarch 24, 2012
Last updated in NPPESNovember 19, 2014

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyUROLOGY
Medical schoolUNIVERSITY OF CALIFORNIA, DAVIS SCHOOL OF MEDICINE
Graduated 2014 (12 years in practice)
Group practice County Of Santa Clara — 993 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

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