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

Hospitalist

Phuc K. Nguyen, MD

Works at hospitals in Fairfield, CA · California

Summary

Phuc K. Nguyen, MD (Hospitalist) is listed by Medicare at 1 hospital in Fairfield, CA. NPI 1740442813. 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 Phuc K. 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

HospitalistPrimary specialty
YesAccepts Medicare assignment
18Years since medical school (graduated 2008)
University Of Oklahoma College Of MedicineMedical school
MaleGender (as listed)
NorthBay Physicians Surgery Center, LLCGroup practice

Quick answers

Which hospitals does Phuc K. Nguyen work at?
Medicare's official clinician data lists Phuc K. Nguyen at 1 hospital: NorthBay Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Phuc K. Nguyen see patients?
Medicare's clinician data lists 1 practice location in Fairfield, CA. Call before your visit to confirm the address.
What is Phuc K. Nguyen's specialty?
Medicare lists Hospitalist as the primary specialty, and also Internal Medicine.
Does Phuc K. Nguyen accept Medicare assignment?
Yes. Medicare's clinician data says Phuc K. 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 Phuc K. Nguyen?
(707) 429-3600, as listed in official Medicare / NPI Registry data.
What is Phuc K. Nguyen's NPI number?
1740442813. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Phuc K. Nguyen works

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

Group practices

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

  • NorthBay Physicians Surgery Center, LLC324 clinicians in the group

Specialties

Find other Hospitalist doctors in California →

Other hospitalists in Fairfield

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

All hospitalists in Fairfield →

Clinician information

CredentialMD
Medical schoolUniversity Of Oklahoma College Of Medicine
Graduation year2008
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1740442813
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