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CUONG-DUNG DO, M.D., INC.
NPI 1992816268
Ophthalmology in Westminster, CA

Active since August 31, 2006
9061 BOLSA AVE STE 105, WESTMINSTER, CA 92683(714) 899-5670(714) 899-5558 Get Directions Write a Review

NPPES record last updated: August 15, 2012. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Cuong-dung Do, M.d., Inc. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

CUONG-DUNG DO, M.D., INC. (NPI 1992816268) is a healthcare organization registered as an ophthalmology in Westminster, California and active in the NPI registry since August 2006. The organization lists Cuong-dung Trong Do, President, as its authorized official.

NPPES Registry Identity

NPI1992816268
Entity TypeOrganization
Primary Taxonomy207W00000X
Legal Business NameCUONG-DUNG DO, M.D., INC
Location Address9061 BOLSA AVE STE 105Westminster, CA 92683-5558
Mailing Address9061 Bolsa Ave Ste 105Westminster, CA 92683-5558 · (714) 899-5670 · Fax (714) 899-5558
Phone(714) 899-5670
Fax(714) 899-5558
Organization SubpartNo
Authorized OfficialCuong-dung Trong DoPresident · (714) 899-5670
Enumeration DateAugust 31, 2006
Last NPPES UpdateAugust 15, 2012
✔ NPI 1992816268 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians
Taxonomy Code207W00000X
License✔ Licensed in CA · G83887
Definition
An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.
9061 BOLSA AVE STE 105, Westminster, CA 92683
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Other Names 1

Other NameCuong-dung Do, M.d., Inc.

Other Identifiers 3

Medicare NSC4785570001
Medicaid00G838870CA
Medicare PING83887A

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, BlueCross BlueShield of Tennessee.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Cuong-dung Do, M.d., Inc. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

2

Medicare enrollment records show 2 clinicians reassign Medicare billing to Cuong-Dung Do, M.D., Inc., which bills Medicare for the services they deliver. Of these, 1 practice at this address. They are listed nearest first.

Clinicians, nearest first (2)

Cuong-Dung Do, M.D.
Ophthalmology
NPI 1477574200
9061 BOLSA AVE STE 105
Westminster, CA 92683
(714) 899-5670
✔ PECOS✔ Accepts MedicareSame address
Hesper Pham, O.D.
Optometry
NPI 1265728570
27871 MEDICAL CENTER RD STE 120
Mission Viejo, CA 92691
(949) 364-6688
✔ PECOS22 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Cuong-Dung Do, M.D., Inc's NPI number?

The NPI number for Cuong-Dung Do, M.D., Inc is 1992816268. It was assigned to this organization in the NPPES registry on August 31, 2006. The provider is also known as Cuong-Dung Do, M.D., Inc..

Where is Cuong-Dung Do, M.D., Inc located?

Cuong-Dung Do, M.D., Inc is located at 9061 Bolsa Ave Ste 105, Westminster, CA 92683. The listed phone number is (714) 899-5670.

What is Cuong-Dung Do, M.D., Inc's specialty?

The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.

Is Cuong-Dung Do, M.D., Inc enrolled in Medicare?

Yes. Cuong-Dung Do, M.D., Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Cuong-Dung Do, M.D., Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians reassign their Medicare billing to Cuong-Dung Do, M.D., Inc, in Ophthalmology and Optometry. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Of these, 1 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Cuong-Dung Do, M.D., Inc accept?

Health plans from Anthem Blue Cross and Blue Shield and BlueCross BlueShield of Tennessee list Cuong-Dung Do, M.D., Inc as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Cuong-Dung Do, M.D., Inc was last updated on August 15, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.