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Family Practice

William D. Petras, DO

Works at hospitals in Rancho Mirage, CA · California

Summary

William D. Petras, DO (Family Practice) is listed by Medicare at 1 hospital in Rancho Mirage, CA. NPI 1396758306. 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 William D. Petras, 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

Family PracticePrimary specialty
YesAccepts Medicare assignment
27Years since medical school (graduated 1999)
Midwestern University, Chicago College Of Osteopathic MedMedical school
MaleGender (as listed)
Eisenhower Medical CenterGroup practice

Quick answers

Which hospitals does William D. Petras work at?
Medicare's official clinician data lists William D. Petras at 1 hospital: Eisenhower Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does William D. Petras see patients?
Medicare's clinician data lists 1 practice location in Rancho Mirage, CA. Call before your visit to confirm the address.
What is William D. Petras's specialty?
Medicare lists Family Practice as the primary specialty.
Does William D. Petras accept Medicare assignment?
Yes. Medicare's clinician data says William D. Petras 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 William D. Petras?
(760) 674-3847, as listed in official Medicare / NPI Registry data.
What is William D. Petras's NPI number?
1396758306. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where William D. Petras works

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

Group practices

Medicare enrollment lists William D. Petras as a member of this group (CMS data updated 2026-10-02).

  • Eisenhower Medical Center456 clinicians in the group

Specialties

Find other Family Practice doctors in California →

Other family doctors in Rancho Mirage

Clinicians with the same Medicare primary specialty in Rancho Mirage, CA — not a recommendation.

All family doctors in Rancho Mirage →

Clinician information

CredentialDO
Medical schoolMidwestern University, Chicago College Of Osteopathic Med
Graduation year1999
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1396758306
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