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Internal Medicine

Cuong Nguyen, MD

Sees patients in Westminster, CA · California

Summary

Dr. Cuong Nguyen, MD is an internal medicine doctor at 7631 Wyoming St, Suite 201, Westminster, CA 92683. Phone: (714) 898-0765. Accepts Medicare assignment. In 2024, Cuong Nguyen had 80 Original Medicare patients and 634 services. NPI 1689625451. 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: 7631 Wyoming St, Suite 201, Westminster, CA 92683 · Directions
  • Phone: (714) 898‑0765
  • Medicare: Accepts Medicare assignment
  • Group practice: Family Choice Aco Inc
  • Medical school: graduated 1975 (51 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Cuong 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 Cuong Nguyen accept Medicare assignment?
Yes. Medicare's clinician data says Cuong 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 Cuong Nguyen see?
In 2024, CMS data shows 80 Original Medicare patients and 634 services for Cuong Nguyen. This counts Original Medicare only and measures volume, not quality.
What is Cuong Nguyen's NPI number?
1689625451. 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 Cuong 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 patients80
Services billed to Medicare634
Different services or procedures15
Participating Medicare providerYes
Average age of these patients78

Most frequent services

  1. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)199 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)120 services
  3. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)86 services
  4. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)56 services
  5. Annual depression screening, 5 to 15 minutes (G0444)53 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%
  • Arthritis61%
  • Diabetes46%
  • Chronic kidney disease46%
  • Ischemic heart disease26%

Practice locations

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

Group practices

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

  • Family Choice Aco Inc55 clinicians in the group

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in Westminster

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

All internal medicine doctors in Westminster →

Other clinicians in Family Choice Aco Inc

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

Clinician information

CredentialMD
Graduation year1975 (51 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1689625451
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