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

Emergency Medicine

Lawrence P. Hsu, MD

Sees patients in Palo Alto, CA · California

Summary

Lawrence P. Hsu, MD (Emergency Medicine) is enrolled with Medicare at 1 practice location in Palo Alto, CA. NPI 1609978600. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Lawrence P. Hsu, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Emergency MedicinePrimary specialty
YesAccepts Medicare assignment
30Years since medical school (graduated 1996)
Northwestern University Feinberg Medical SchoolMedical school
MaleGender (as listed)
Sutter Bay Medical FoundationGroup practice

Quick answers

Where does Lawrence P. Hsu see patients?
Medicare's clinician data lists 1 practice location in Palo Alto, CA. Call before your visit to confirm the address.
What is Lawrence P. Hsu's specialty?
Medicare lists Emergency Medicine as the primary specialty.
Does Lawrence P. Hsu accept Medicare assignment?
Yes. Medicare's clinician data says Lawrence P. Hsu accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Lawrence P. Hsu?
(415) 600-1020, as listed in official Medicare / NPI Registry data.
What is Lawrence P. Hsu's NPI number?
1609978600. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Lawrence P. Hsu is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Lawrence P. Hsu as a member of this group (CMS data updated 2026-10-02).

  • Sutter Bay Medical Foundation3,829 clinicians in the group

Specialties

Find other Emergency Medicine doctors in California →

Other emergency medicine doctors in Palo Alto

Clinicians with the same Medicare primary specialty in Palo Alto, CA — not a recommendation.

All emergency medicine doctors in Palo Alto →

Clinician information

CredentialMD
Medical schoolNorthwestern University Feinberg Medical School
Graduation year1996
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1609978600
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians