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Family Practice

Bach S. Nguyen, MD

Works at hospitals in Upland, CA · California

Summary

Bach S. Nguyen, MD (Family Practice) is listed by Medicare at 1 hospital in Upland, CA. NPI 1427076546. 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 Bach S. Nguyen, 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
24Years since medical school (graduated 2002)
MaleGender (as listed)
Mountain View Urgent Care Group IncGroup practice

Quick answers

Which hospitals does Bach S. Nguyen work at?
Medicare's official clinician data lists Bach S. Nguyen at 1 hospital: San Antonio Regional Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Bach S. Nguyen see patients?
Medicare's clinician data lists 3 practice locations, including Eastvale, CA, Fontana, CA and Murrieta, CA. Call before your visit to confirm the address.
What is Bach S. Nguyen's specialty?
Medicare lists Family Practice as the primary specialty.
Does Bach S. Nguyen accept Medicare assignment?
Yes. Medicare's clinician data says Bach S. Nguyen 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 Bach S. Nguyen?
(951) 393-3000, as listed in official Medicare / NPI Registry data.
What is Bach S. Nguyen's NPI number?
1427076546. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Bach S. Nguyen works

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

Group practices

Medicare enrollment lists Bach S. Nguyen as a member of this group (CMS data updated 2026-10-02).

  • Mountain View Urgent Care Group Inc32 clinicians in the group

Specialties

Find other Family Practice doctors in California →

Other family doctors in Eastvale

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

All family doctors in Eastvale →

Clinician information

CredentialMD
Graduation year2002
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1427076546
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