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Internal Medicine

Vinh Q. Nguyen, MD

Sees patients in San Jose, CA · California

Summary

Dr. Vinh Q. Nguyen, MD is an internal medicine doctor at 200 Jose Figueres Ave, Suite 460, San Jose, CA 95116. Phone: (408) 254-1794. Accepts Medicare assignment. In 2024, Vinh Q. Nguyen had 419 Original Medicare patients and 1,169 services. NPI 1720086556. 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: 200 Jose Figueres Ave, Suite 460, San Jose, CA 95116 · Directions
  • Phone: (408) 254‑1794
  • Medicare: Accepts Medicare assignment
  • Medical school: graduated 1983 (43 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Vinh Q. 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 Vinh Q. Nguyen accept Medicare assignment?
Yes. Medicare's clinician data says Vinh Q. 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 Vinh Q. Nguyen see?
In 2024, CMS data shows 419 Original Medicare patients and 1,169 services for Vinh Q. Nguyen. This counts Original Medicare only and measures volume, not quality.
What is Vinh Q. Nguyen's NPI number?
1720086556. 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 Vinh Q. 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 patients419
Services billed to Medicare1,169
Different services or procedures7
Participating Medicare providerYes
Average age of these patients78

Most frequent services

  1. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)1,099 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)42 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%
  • Diabetes44%
  • Osteoporosis34%
  • Ischemic heart disease21%
  • Chronic kidney disease20%

Practice locations

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

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in San Jose

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

All internal medicine doctors in San Jose →

Clinician information

CredentialMD
Graduation year1983 (43 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1720086556
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