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Internal Medicine

Lan Nguyen, MD

Works at hospitals in Sacramento, CA · California

Summary

Lan Nguyen, MD (Internal Medicine) is listed by Medicare at 1 hospital in Sacramento, CA. NPI 1164683140. 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 Lan 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

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
18Years since medical school (graduated 2008)
University Of Texas Southwestern Medical School At DallasMedical school
FemaleGender (as listed)
Permanente Medical Group IncGroup practice

Quick answers

Which hospitals does Lan Nguyen work at?
Medicare's official clinician data lists Lan Nguyen at 1 hospital: Kaiser Foundation Hospital So Sacramento. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Lan Nguyen see patients?
Medicare's clinician data lists 1 practice location in Sacramento, CA. Call before your visit to confirm the address.
What is Lan Nguyen's specialty?
Medicare lists Internal Medicine as the primary specialty, and also Adult Congenital Heart Disease (ACHD) and Cardiovascular Disease (Cardiology).
Does Lan Nguyen accept Medicare assignment?
Yes. Medicare's clinician data says Lan 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 Lan Nguyen?
(916) 688-2000, as listed in official Medicare / NPI Registry data.
What is Lan Nguyen's NPI number?
1164683140. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Lan Nguyen works

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

Group practices

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

  • Permanente Medical Group Inc10,996 clinicians in the group

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in Sacramento

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

All internal medicine doctors in Sacramento →

Clinician information

CredentialMD
Medical schoolUniversity Of Texas Southwestern Medical School At Dallas
Graduation year2008
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1164683140
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