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Ophthalmology

Cuong-Dung T. Do, MD

Sees patients in Westminster, CA · California

Summary

Dr. Cuong-Dung T. Do, MD is an ophthalmologist at 9061 Bolsa Ave, Suite 105, Westminster, CA 92683. Phone: (714) 899-5670. Accepts Medicare assignment. In 2024, Cuong-Dung T. Do had 2,487 Original Medicare patients and 12,614 services. NPI 1477574200. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Ophthalmologist (Medicare lists Ophthalmology)
  • Address: 9061 Bolsa Ave, Suite 105, Westminster, CA 92683 · Directions
  • Phone: (714) 899‑5670
  • Medicare: Accepts Medicare assignment
  • Medical school: University Of Miami, Lm Miller School Of Medicine · graduated 1993 (33 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Cuong-Dung T. Do, 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-Dung T. Do accept Medicare assignment?
Yes. Medicare's clinician data says Cuong-Dung T. Do 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-Dung T. Do see?
In 2024, CMS data shows 2,487 Original Medicare patients and 12,614 services for Cuong-Dung T. Do. This counts Original Medicare only and measures volume, not quality.
What is Cuong-Dung T. Do's NPI number?
1477574200. 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-Dung T. Do, 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 patients2,487
Services billed to Medicare12,614
Different services or procedures63
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Established patient problem focused exam of visual system (92012)2,693 services
  2. Established patient complete exam of visual system (92014)1,775 services
  3. Imaging of optic nerve (92133)1,296 services
  4. Exam of the internal drainage system of eye (92020)1,259 services
  5. Exam of visual field with extended testing (92083)830 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%
  • Diabetes56%
  • Arthritis51%
  • Chronic kidney disease37%
  • Osteoporosis34%

Practice locations

Addresses where Cuong-Dung T. Do is enrolled with Medicare (CMS data updated October 2, 2026).

Specialties

Find other Ophthalmology doctors in California →

Other ophthalmologists in Westminster

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

All ophthalmologists in Westminster →

Clinician information

CredentialMD
Medical schoolUniversity Of Miami, Lm Miller School Of Medicine
Graduation year1993 (33 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1477574200
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