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

General Surgery

Sharon S. Lum, MD

Works at hospitals in Loma Linda, CA · Murrieta, CA · Moreno Valley, CA · California

Summary

Sharon S. Lum, MD (General Surgery) is listed by Medicare at 3 hospitals in Loma Linda, CA, Murrieta, CA and Moreno Valley, CA. NPI 1083642730. 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 Sharon S. Lum, 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

General SurgeryPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
34Years since medical school (graduated 1992)
Washington University School Of MedicineMedical school
FemaleGender (as listed)
Faculty Physicians and Surgeons of LlusmGroup practice

Quick answers

Which hospitals does Sharon S. Lum work at?
Medicare's official clinician data lists Sharon S. Lum at 3 hospitals: Loma Linda University Medical Center, Loma Linda University Medical Center-Murrieta and Riverside University Health System-Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Sharon S. Lum see patients?
Medicare's clinician data lists 8 practice locations, including Loma Linda, CA, Moreno Valley, CA and Murrieta, CA. Call before your visit to confirm the address.
What is Sharon S. Lum's specialty?
Medicare lists General Surgery as the primary specialty.
Does Sharon S. Lum accept Medicare assignment?
Yes. Medicare's clinician data says Sharon S. Lum 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.
Does Sharon S. Lum offer telehealth?
Medicare's clinician data says Sharon S. Lum offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Sharon S. Lum?
(951) 486-5700, as listed in official Medicare / NPI Registry data.
What is Sharon S. Lum's NPI number?
1083642730. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Sharon S. Lum works

Medicare's Facility Affiliation Data lists Sharon S. Lum 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 Sharon S. Lum is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 8; the Medicare profile lists all.

Group practices

Medicare enrollment lists Sharon S. Lum as a member of this group (CMS data updated 2026-10-02).

  • Faculty Physicians and Surgeons of Llusm1,315 clinicians in the group

Specialties

Find other General Surgery doctors in California →

Other general surgeons in Loma Linda

Clinicians with the same Medicare primary specialty in Loma Linda, CA — not a recommendation.

All general surgeons in Loma Linda →

Clinician information

CredentialMD
Medical schoolWashington University School Of Medicine
Graduation year1992
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1083642730
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