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Internal Medicine

Willie D. Lu, MD

Works at hospitals in Mountain View, CA · San Jose, CA · Stanford, CA · California

Summary

Willie D. Lu, MD (Internal Medicine) is listed by Medicare at 3 hospitals in Mountain View, CA, San Jose, CA and Stanford, CA. NPI 1114959558. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Willie D. 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

Internal MedicinePrimary specialty
May acceptAccepts Medicare assignment
YesOffers telehealth
44Years since medical school (graduated 1982)
MaleGender (as listed)

Quick answers

Which hospitals does Willie D. Lu work at?
Medicare's official clinician data lists Willie D. Lu at 3 hospitals: El Camino Health, Good Samaritan Hospital and Stanford Health Care. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Willie D. Lu see patients?
Medicare's clinician data lists 1 practice location in Los Gatos, CA. Call before your visit to confirm the address.
What is Willie D. Lu's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Willie D. Lu accept Medicare assignment?
Medicare's clinician data says Willie D. Lu may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
Does Willie D. Lu offer telehealth?
Medicare's clinician data says Willie D. Lu offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Willie D. Lu?
(408) 866-8700, as listed in official Medicare / NPI Registry data.
What is Willie D. Lu's NPI number?
1114959558. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Willie D. Lu works

Medicare's Facility Affiliation Data lists Willie D. 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 Willie D. Lu is enrolled with Medicare (CMS data updated 2026-10-02).

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in Los Gatos

Clinicians with the same Medicare primary specialty in Los Gatos, CA — not a recommendation.

All internal medicine doctors in Los Gatos →

Clinician information

CredentialMD
Graduation year1982
Gender (as listed)Male
Medicare assignmentMay accept for some services
TelehealthOffers telehealth services
NPI (National Provider Identifier)1114959558
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