Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Anesthesiology

Siew-Yean Lau, MD

Works at hospitals in Santa Clara, CA · California

Summary

Dr. Siew-Yean Lau, MD is an anesthesiologist at 700 Lawrence Expy, Santa Clara, CA 95051. Phone: (408) 851-1000. Accepts Medicare assignment. NPI 1245366632. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026.

From official Medicare data

This page shows what Medicare's official clinician data says about Siew-Yean Lau, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Siew-Yean Lau accept Medicare assignment?
Yes. Medicare's clinician data says Siew-Yean Lau accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
What is Siew-Yean Lau's NPI number?
1245366632. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Siew-Yean Lau works

Medicare's Facility Affiliation Data lists Siew-Yean Lau at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Siew-Yean Lau is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Siew-Yean Lau as a member of this group (CMS data updated October 2, 2026).

  • Permanente Medical Group Inc10,996 clinicians in the group

Specialties

Find other Anesthesiology doctors in California →

Other anesthesiologists in Santa Clara

Clinicians with the same Medicare primary specialty in Santa Clara, CA — not a recommendation.

All anesthesiologists in Santa Clara →

Other clinicians in Permanente Medical Group Inc

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Graduation year2003 (23 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1245366632
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  5. Medicare Care Compare — official Medicare tool to look up clinicians