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Ophthalmology

Hau T. Nguyen, MD

Works at hospitals in San Jose, CA · California

Summary

Dr. Hau T. Nguyen, MD is an ophthalmologist at 2105 Forest Ave, San Jose, CA 95128. Phone: (408) 885-5000. Accepts Medicare assignment. In 2024, Hau T. Nguyen had 211 Original Medicare patients and 560 services. NPI 1528155835. 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: Ophthalmologist (Medicare lists Ophthalmology)
  • Address: 2105 Forest Ave, San Jose, CA 95128 · Directions (2 more locations)
  • Phone: (408) 885‑5000
  • Medicare: Accepts Medicare assignment
  • Hospital: Santa Clara Valley Medical Center
  • Group practice: County of Santa Clara
  • Medical school: Un Of California, Irvine, College Of Medicine · graduated 2001 (25 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Hau T. 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 Hau T. Nguyen accept Medicare assignment?
Yes. Medicare's clinician data says Hau T. 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 Hau T. Nguyen see?
In 2024, CMS data shows 211 Original Medicare patients and 560 services for Hau T. Nguyen. This counts Original Medicare only and measures volume, not quality.
What is Hau T. Nguyen's NPI number?
1528155835. 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 Hau T. 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 patients211
Services billed to Medicare560
Different services or procedures26
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Established patient problem focused exam of visual system (92012)254 services
  2. Imaging of optic nerve (92133)62 services
  3. Exam of the internal drainage system of eye (92020)39 services
  4. Established patient complete exam of visual system (92014)31 services
  5. Removal of cataract with insertion of prosthetic lens (66984)30 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 pressure74%
  • Diabetes59%
  • High cholesterol58%
  • Arthritis24%
  • Chronic kidney disease19%
  • Osteoporosis16%

Hospitals where Hau T. Nguyen works

Medicare's Facility Affiliation Data lists Hau T. 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 Hau T. Nguyen is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

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

  • County of Santa Clara1,022 clinicians in the group

Specialties

Find other Ophthalmology doctors in California →

Other ophthalmologists in San Jose

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

All ophthalmologists in San Jose →

Other clinicians in County of Santa Clara

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

Clinician information

CredentialMD
Medical schoolUn Of California, Irvine, College Of Medicine
Graduation year2001 (25 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1528155835
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