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Hospitalist

Sanjay P. Muttreja, MD

Works at hospitals in Corona, CA · Palmdale, CA · Murrieta, CA … · California

Summary

Sanjay P. Muttreja, MD (Hospitalist) is listed by Medicare at 4 hospitals in Corona, CA, Palmdale, CA and Murrieta, CA and other places. NPI 1447201173. 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 Sanjay P. Muttreja, 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

HospitalistPrimary specialty
YesAccepts Medicare assignment
39Years since medical school (graduated 1987)
MaleGender (as listed)
Acute Care Associates of California PCGroup practice (+2 more)

Quick answers

Which hospitals does Sanjay P. Muttreja work at?
Medicare's official clinician data lists Sanjay P. Muttreja at 4 hospitals: Corona Regional Medical Center, Palmdale Regional Medical Center, Southwest Healthcare Rancho Springs Hospital and Temecula Valley Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Sanjay P. Muttreja see patients?
Medicare's clinician data lists 2 practice locations, including Murrieta, CA and Temecula, CA. Call before your visit to confirm the address.
What is Sanjay P. Muttreja's specialty?
Medicare lists Hospitalist as the primary specialty, and also Internal Medicine.
Does Sanjay P. Muttreja accept Medicare assignment?
Yes. Medicare's clinician data says Sanjay P. Muttreja 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 Sanjay P. Muttreja?
(951) 677-1111, as listed in official Medicare / NPI Registry data.
What is Sanjay P. Muttreja's NPI number?
1447201173. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Sanjay P. Muttreja works

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

Group practices

Medicare enrollment lists Sanjay P. Muttreja as a member of these groups (CMS data updated 2026-10-02).

  • Acute Care Associates of California PC55 clinicians in the group
  • Innovative Medical Group9 clinicians in the group
  • Innovative Extensivist Group PC4 clinicians in the group

Specialties

Find other Hospitalist doctors in California →

Other hospitalists in California

Clinicians with the same Medicare primary specialty in California — not a recommendation.

All hospitalists in California →

Clinician information

CredentialMD
Graduation year1987
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1447201173
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