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Internal Medicine

George Mousa, MD

Works at hospitals in Upland, CA · San Bernardino, CA · California

Summary

George Mousa, MD (Internal Medicine) is listed by Medicare at 2 hospitals in Upland, CA and San Bernardino, CA. NPI 1144711821. 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 George Mousa, 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

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
17Years since medical school (graduated 2009)
MaleGender (as listed)
Inpatient Specialists of California PCGroup practice

Quick answers

Which hospitals does George Mousa work at?
Medicare's official clinician data lists George Mousa at 2 hospitals: San Antonio Regional Hospital and St Bernardine Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does George Mousa see patients?
Medicare's clinician data lists 3 practice locations, including San Bernardino, CA. Call before your visit to confirm the address.
What is George Mousa's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does George Mousa accept Medicare assignment?
Yes. Medicare's clinician data says George Mousa 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 George Mousa offer telehealth?
Medicare's clinician data says George Mousa offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for George Mousa?
(909) 887-6333, as listed in official Medicare / NPI Registry data.
What is George Mousa's NPI number?
1144711821. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where George Mousa works

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

Group practices

Medicare enrollment lists George Mousa as a member of this group (CMS data updated 2026-10-02).

  • Inpatient Specialists of California PC385 clinicians in the group

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in San Bernardino

Clinicians with the same Medicare primary specialty in San Bernardino, CA — not a recommendation.

All internal medicine doctors in San Bernardino →

Clinician information

CredentialMD
Graduation year2009
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1144711821
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