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

Ophthalmology

Huy V. Nguyen, MD

Works at hospitals in Pomona, CA · California

Summary

Dr. Huy V. Nguyen, MD is an ophthalmologist at 1135 S Sunset Ave, Suite 210, West Covina, CA 91790. Phone: (626) 653-9444. Accepts Medicare assignment. In 2024, Huy V. Nguyen had 404 Original Medicare patients and 14,374 services. NPI 1497140446. 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: 1135 S Sunset Ave, Suite 210, West Covina, CA 91790 · Directions (1 more location)
  • Phone: (626) 653‑9444
  • Medicare: Accepts Medicare assignment
  • Hospital: Pomona Valley Hospital Medical Center
  • Group practice: Joseph L Lin MD Inc
  • Medical school: Columbia University College Of Physicians And Surgeons · graduated 2015 (11 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Huy V. 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 Huy V. Nguyen accept Medicare assignment?
Yes. Medicare's clinician data says Huy V. 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 Huy V. Nguyen see?
In 2024, CMS data shows 404 Original Medicare patients and 14,374 services for Huy V. Nguyen. This counts Original Medicare only and measures volume, not quality.
What is Huy V. Nguyen's NPI number?
1497140446. 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 Huy V. 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 patients404
Services billed to Medicare14,374
Different services or procedures38
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Injection, faricimab-svoa, 0.1 mg (J2777)10,980 services
  2. Imaging of retina (92134)823 services
  3. Established patient complete exam of visual system (92014)568 services
  4. Extended exam of the back part of the eye with retinal drawing (92201)383 services
  5. Injection of drug into eye (67028)351 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 cholesterol75%
  • High blood pressure73%
  • Diabetes44%
  • Arthritis40%
  • Ischemic heart disease29%
  • Chronic kidney disease26%

Hospitals where Huy V. Nguyen works

Medicare's Facility Affiliation Data lists Huy V. 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 Huy V. Nguyen is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

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

  • Joseph L Lin MD Inc3 clinicians in the group

Specialties

Find other Ophthalmology doctors in California →

Other ophthalmologists in West Covina

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

All ophthalmologists in West Covina →

Other clinicians in Joseph L Lin MD Inc

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

Clinician information

CredentialMD
Medical schoolColumbia University College Of Physicians And Surgeons
Graduation year2015 (11 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1497140446
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