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General Surgery

Zane Ashman, MD

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

Summary

Zane Ashman, MD (General Surgery) is listed by Medicare at 3 hospitals in Loma Linda, CA, Murrieta, CA and Apple Valley, CA. NPI 1891137915. 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 Zane Ashman, 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
13Years since medical school (graduated 2013)
University Of California, Geffen School Of MedicineMedical school
MaleGender (as listed)
Faculty Physicians and Surgeons of LlusmGroup practice

Quick answers

Which hospitals does Zane Ashman work at?
Medicare's official clinician data lists Zane Ashman at 3 hospitals: Loma Linda University Medical Center, Loma Linda University Medical Center-Murrieta and Providence St Mary Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Zane Ashman see patients?
Medicare's clinician data lists 4 practice locations, including Loma Linda, CA and Murrieta, CA. Call before your visit to confirm the address.
What is Zane Ashman's specialty?
Medicare lists General Surgery as the primary specialty.
Does Zane Ashman accept Medicare assignment?
Yes. Medicare's clinician data says Zane Ashman 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 Zane Ashman?
(909) 558-4000, as listed in official Medicare / NPI Registry data.
What is Zane Ashman's NPI number?
1891137915. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Zane Ashman works

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

Group practices

Medicare enrollment lists Zane Ashman 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 schoolUniversity Of California, Geffen School Of Medicine
Graduation year2013
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1891137915
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