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

Radiation Oncology

Peter Zaki, MD

Works at hospitals in Rancho Mirage, CA · Loma Linda, CA · Murrieta, CA · California

Summary

Peter Zaki, MD (Radiation Oncology) is listed by Medicare at 3 hospitals in Rancho Mirage, CA, Loma Linda, CA and Murrieta, CA. NPI 1720643844. 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 Peter Zaki, 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

Radiation OncologyPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
7Years since medical school (graduated 2019)
Pennsylvania State University College Of MedicineMedical school
MaleGender (as listed)
Faculty Physicians and Surgeons of LlusmGroup practice

Quick answers

Which hospitals does Peter Zaki work at?
Medicare's official clinician data lists Peter Zaki at 3 hospitals: Eisenhower Medical Center, Loma Linda University Medical Center and Loma Linda University Medical Center-Murrieta. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Peter Zaki see patients?
Medicare's clinician data lists 6 practice locations, including Loma Linda, CA, Murrieta, CA and Beaumont, CA. Call before your visit to confirm the address.
What is Peter Zaki's specialty?
Medicare lists Radiation Oncology as the primary specialty.
Does Peter Zaki accept Medicare assignment?
Yes. Medicare's clinician data says Peter Zaki 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 Peter Zaki offer telehealth?
Medicare's clinician data says Peter Zaki offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Peter Zaki?
(909) 558-2824, as listed in official Medicare / NPI Registry data.
What is Peter Zaki's NPI number?
1720643844. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Peter Zaki works

Medicare's Facility Affiliation Data lists Peter Zaki 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 Peter Zaki is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 6; the Medicare profile lists all.

Group practices

Medicare enrollment lists Peter Zaki 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 Radiation Oncology doctors in California →

Other radiation oncologists in Loma Linda

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

All radiation oncologists in Loma Linda →

Clinician information

CredentialMD
Medical schoolPennsylvania State University College Of Medicine
Graduation year2019
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1720643844
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