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

Family Practice

Connie K. Nguyen, MD

Works at hospitals in Fountain Valley, CA · Orange, CA · California

Summary

Dr. Connie K. Nguyen, MD is a family doctor at 15355 Brookhurst St, Suite 102 108, Westminster, CA 92683. Phone: (714) 531-2220. Accepts Medicare assignment. In 2024, Connie K. Nguyen had 166 Original Medicare patients and 5,395 services. NPI 1851471023. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Family doctor (Medicare lists Family Practice)
  • Address: 15355 Brookhurst St, Suite 102 108, Westminster, CA 92683 · Directions
  • Phone: (714) 531‑2220
  • Medicare: Accepts Medicare assignment
  • Hospitals: Memorialcare Orange Coast Medical Center, UCI Health-Orange
  • Group practice: Le, Nguyen, Tram, Nguyen and Tran Medical Corporation
  • Medical school: University Of California, Geffen School Of Medicine · graduated 1995 (31 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Connie K. 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 Connie K. Nguyen accept Medicare assignment?
Yes. Medicare's clinician data says Connie K. 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 Connie K. Nguyen see?
In 2024, CMS data shows 166 Original Medicare patients and 5,395 services for Connie K. Nguyen. This counts Original Medicare only and measures volume, not quality.
What is Connie K. Nguyen's NPI number?
1851471023. 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 Connie K. 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 patients166
Services billed to Medicare5,395
Different services or procedures50
Participating Medicare providerYes
Average age of these patients77

Most frequent services

  1. Management using the results of remote vital sign monitoring per calendar month, each additional 20 minutes (99458)417 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)380 services
  3. Management using the results of remote vital sign monitoring per calendar month, first 20 minutes (99457)311 services
  4. Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month (99490)301 services
  5. Injection of drug or substance under skin or into muscle (96372)234 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol75%
  • Osteoporosis63%
  • Diabetes56%
  • Chronic kidney disease47%
  • Arthritis43%

Hospitals where Connie K. Nguyen works

Medicare's Facility Affiliation Data lists Connie K. Nguyen at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Connie K. Nguyen is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

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

  • Le, Nguyen, Tram, Nguyen and Tran Medical Corporation4 clinicians in the group

Specialties

Find other Family Practice doctors in California →

Other family doctors in Westminster

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

All family doctors in Westminster →

Other clinicians in Le, Nguyen, Tram, Nguyen and Tran Medical Corporation

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

Clinician information

CredentialMD
Medical schoolUniversity Of California, Geffen School Of Medicine
Graduation year1995 (31 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1851471023
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 October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians