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

Emergency Medicine

Helen J. Lu, MD

Works at hospitals in Stanford, CA · California

Summary

Helen J. Lu, MD (Emergency Medicine) is listed by Medicare at 1 hospital in Stanford, CA. NPI 1770147761. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Helen J. Lu, 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
5Years since medical school (graduated 2021)
University Of Louisville School Of MedicineMedical school
FemaleGender (as listed)
Permanente Medical Group IncGroup practice (+1 more)

Quick answers

Which hospitals does Helen J. Lu work at?
Medicare's official clinician data lists Helen J. Lu at 1 hospital: Stanford Health Care. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Helen J. Lu see patients?
Medicare's clinician data lists 2 practice locations, including Redwood City, CA and Stanford, CA. Call before your visit to confirm the address.
What is Helen J. Lu's specialty?
Medicare lists Emergency Medicine as the primary specialty.
Does Helen J. Lu accept Medicare assignment?
Yes. Medicare's clinician data says Helen J. Lu 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 Helen J. Lu?
(650) 299-2000, as listed in official Medicare / NPI Registry data.
What is Helen J. Lu's NPI number?
1770147761. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Helen J. Lu works

Medicare's Facility Affiliation Data lists Helen J. Lu at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Helen J. Lu is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Helen J. Lu as a member of these groups (CMS data updated 2026-10-02).

  • Permanente Medical Group Inc10,996 clinicians in the group
  • Stanford Health Care3,122 clinicians in the group

Specialties

Find other Emergency Medicine doctors in California →

Other emergency medicine doctors in Redwood City

Clinicians with the same Medicare primary specialty in Redwood City, CA — not a recommendation.

All emergency medicine doctors in Redwood City →

Clinician information

CredentialMD
Medical schoolUniversity Of Louisville School Of Medicine
Graduation year2021
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1770147761
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 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians