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Internal Medicine

Bich Thuy D. Nguyen, MD

Sees patients in Harbor City, CA · California

Summary

Dr. Bich Thuy D. Nguyen, MD is an internal medicine doctor at 25821 Vermont Ave, Harbor City, CA 90710. Phone: (310) 325-5111. Accepts Medicare assignment. In 2024, Bich Thuy D. Nguyen had 15 Original Medicare patients and 29 services. NPI 1114075066. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 25821 Vermont Ave, Harbor City, CA 90710 · Directions (1 more location)
  • Phone: (310) 325‑5111
  • Medicare: Accepts Medicare assignment
  • Group practice: Southern California Permanente Medical Group
  • Medical school: R Franklin University Of Med & Sci/chicago Medical School · graduated 1999 (27 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Bich Thuy D. Nguyen, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Bich Thuy D. Nguyen accept Medicare assignment?
Yes. Medicare's clinician data says Bich Thuy D. Nguyen accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Bich Thuy D. Nguyen see?
In 2024, CMS data shows 15 Original Medicare patients and 29 services for Bich Thuy D. Nguyen. This counts Original Medicare only and measures volume, not quality.
What is Bich Thuy D. Nguyen's NPI number?
1114075066. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Bich Thuy D. Nguyen, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients15
Services billed to Medicare29
Different services or procedures14
Participating Medicare providerYes
Average age of these patients57

Practice locations

Addresses where Bich Thuy D. Nguyen is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Bich Thuy D. Nguyen as a member of this group (CMS data updated October 2, 2026).

  • Southern California Permanente Medical Group11,293 clinicians in the group

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in Harbor City

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

All internal medicine doctors in Harbor City →

Other clinicians in Southern California Permanente Medical Group

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolR Franklin University Of Med & Sci/chicago Medical School
Graduation year1999 (27 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1114075066
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  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