CUONG-DUNG TRONG DO M.D.
NPI 1477574200
Ophthalmology in Westminster, CA

Q: What is Cuong-dung Do's NPI number?

The NPI number for Cuong-dung Do is 1477574200. It was assigned to this individual provider in the NPPES registry on July 21, 2006.

Q: What is Cuong-dung Do's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Cuong-dung Do 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.

Active since July 21, 2006PECOS EnrolledAccepts Medicare Assignment

100/100

CMS Quality Rating

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.

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About Cuong-dung Trong Do M.d. NPPES

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

CUONG-DUNG TRONG DO M.D. (NPI 1477574200) is an individual ophthalmology provider in Westminster, California, licensed in California (G83887) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS and is a graduate of University Of Miami, Lm Miller School Of Medicine (1993).

NPPES Registry Identity

NPI1477574200

Entity TypeIndividualMale

Primary Taxonomy207W00000X

Provider Legal NameCUONG-DUNG TRONG DOCredential: M.D.

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

Sole ProprietorNo

Medical School CMSUniversity Of Miami, Lm Miller School Of MedicineGraduated 1993

Enumeration DateJuly 21, 2006

Last NPPES UpdateAugust 15, 2012

✔ NPI 1477574200 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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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Providence Health Plan.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Cuong-dung Trong Do M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3577673821

PECOS Enrollment IDI20101101001076

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Cuong-dung Do reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Cuong-Dung Do, M.D., Inc

Same address

Ophthalmology

9061 BOLSA AVE STE 105
Westminster, CA 92683

Reassigned Medicare billing, California enrollment
2 clinicians in this Medicare group

NPI 1992816268 (714) 899-5670

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

Areas of Expertise CMS Part B claims 29

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient problem focused exam of visual system 92012

This is a routine check-up for existing patients focusing on the visual system. It involves examining your eyes to detect any potential issues or changes in your vision. It's a crucial part of maintaining good eye health.

2,693 services1,518 patients

Established patient complete exam of visual system 92014

An established patient complete exam of the visual system involves a thorough check of your eyes and vision. It assesses eye health, checks for diseases, and measures your ability to see clearly at different distances. It's a routine, non-invasive procedure.

1,775 services1,669 patients

Imaging of optic nerve 92133

Imaging of the optic nerve is a non-invasive procedure that captures detailed pictures of your optic nerve. It helps doctors assess eye health, particularly for conditions like glaucoma. It's painless, quick, and uses safe technology like MRI or OCT (Optical Coherence Tomography).

1,296 services1,275 patients

Exam of the internal drainage system of eye 92020

This is a procedure where your doctor examines the eye's internal drainage system, essential for maintaining eye pressure. They use specialized tools to check for blockages or damage that might lead to conditions like glaucoma. It's non-invasive and painless.

1,259 services1,245 patients

Exam of visual field with extended testing 92083

An extended visual field exam is a detailed test to evaluate your peripheral (side) vision. It helps to detect any potential blind spots which may not be noticeable in daily life. These could be caused by eye diseases like glaucoma, or neurological conditions.

830 services823 patients

Imaging of retina 92134

Imaging of the retina is a non-invasive procedure that captures detailed images of your eye's interior. This helps detect conditions like macular degeneration or retinal detachment. It's painless and takes only a few minutes.

734 services536 patients

Photography of the retina 92250

Photography of the retina, also known as retinal imaging, is a non-invasive procedure that captures images of the back of your eye. This helps doctors identify and monitor conditions like glaucoma, macular degeneration, or diabetic retinopathy. It's painless and quick, often part of a routine eye exam.

714 services711 patients

New patient complete exam of visual system 92004

A new patient complete exam of the visual system is a thorough evaluation of your eyes and vision. It checks for any potential issues and assesses overall eye health. It includes tests for visual acuity, eye movement, and light response.

361 services361 patients

Measurement of corneal curvature and depth of eye 92136

This procedure measures the shape and depth of your eye, specifically the cornea, the clear front surface. It helps in diagnosing conditions, planning for surgeries, or fitting contact lenses. It's non-invasive and painless.

283 services237 patients

Removal of eyelashes using forceps 67820

The removal of eyelashes using forceps is a simple procedure where a medical professional gently extracts unwanted or problematic eyelashes with a specialized tool. This is often done to alleviate discomfort or to treat conditions like trichiasis, where eyelashes grow inward.

275 services170 patients

Injection of drug into eye 67028

An injection into the eye is a procedure where a medication is delivered directly into your eye to treat various conditions. A local anesthetic is applied to numb the eye, ensuring minimal discomfort. The drug helps manage diseases like macular degeneration or diabetic retinopathy.

250 services79 patients

Ct scan of cornea 92025

A CT scan of the cornea is a non-invasive imaging test that uses X-rays to capture detailed pictures of your eye's cornea. It helps in diagnosing diseases or damage, planning for surgery, or evaluating the results of a treatment. It's a safe and painless procedure.

242 services240 patients

Injection, bevacizumab, 10 mg J9035

Bevacizumab is a medication given through an injection. It's designed to prevent the growth of new blood vessels that cancer cells need to grow and spread. The 10 mg dose refers to the amount of the drug in the injection.

240 services75 patients

Removal of cataract with insertion of prosthetic lens 66984

This is a procedure where a cloudy lens in your eye, known as a cataract, is removed. After removal, a clear artificial lens is inserted. This helps to restore your vision, enabling you to see clearly again.

198 services169 patients

Closure of tear duct opening using plug 68761

Closure of the tear duct opening using a plug is a procedure to address excessive tear production. A small device is inserted into the tear duct to block it, reducing tear flow and relieving symptoms. This is a safe, reversible process, often performed in-office.

162 services99 patients

Ultrasound scan of cornea to determine thickness 76514

An ultrasound scan of the cornea is a non-invasive procedure that uses sound waves to measure the thickness of your cornea. This helps in diagnosing certain eye conditions and planning treatments. No discomfort or pain is typically experienced.

152 services150 patients

Imaging of front third of eye 92132

Imaging of the front third of the eye, also known as anterior segment imaging, captures detailed images of the eye's front part. This includes the iris, cornea, and lens. It's a non-invasive procedure that helps diagnose and monitor eye conditions.

124 services123 patients

Removal of foreign body from external eye (conjunctiva or sclera) 65210

This procedure involves removing a foreign object from your eye's outer layers, the conjunctiva or sclera. It's done with specialized tools, ensuring the eye isn't damaged. You may feel slight discomfort, but it's usually quick and can prevent further eye complications.

81 services64 patients

Extracapsular removal of cataract with insertion of artificial lens and insertion of drainage device in front chamber of eye 66991

This is a two-part eye procedure. First, a cloudy lens (cataract) is removed from its outer layer and replaced with an artificial lens to improve vision. Second, a drainage device is inserted into the front part of the eye to manage fluid levels, preventing pressure build-up.

56 services47 patients

Imaging of front third of eye using a special microscope 92286

This procedure involves capturing detailed images of the front part of your eye using a specialized microscope. It helps in identifying any eye abnormalities or issues, improving the accuracy of diagnosis and treatment planning.

54 services54 patients

Creation of eye fluid drainage tracts in iris using a laser, per session 66761

This procedure uses a laser to create small drainage tracts in the iris, the colored part of your eye. This helps excess fluid escape, reducing pressure in the eye that can cause glaucoma. It's performed in sessions.

48 services35 patients

Removal of recurring cataract in lens capsule using a laser 66821

This procedure, known as YAG laser capsulotomy, treats cloudiness in the lens capsule following cataract surgery. A laser is used to create a small hole in the cloudy capsule, allowing light to pass through and restore clear vision. It's a quick, painless procedure.

43 services37 patients

Complex removal of cataract with insertion of prosthetic lens 66982

This procedure involves removing a cloudy lens (cataract) from your eye and replacing it with a clear, artificial lens. It helps restore vision that has been affected by the cataract. The operation is usually done under local anesthesia.

31 services29 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

30 services29 patients

Laser repair to improve eye fluid flow 65855

Laser repair to improve eye fluid flow is a procedure aimed at treating glaucoma. A laser is used to create a small hole in the eye's drainage system, allowing fluid to flow out more easily. This helps to lower the pressure inside the eye, reducing the risk of vision loss.

29 services26 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

16 services14 patients

Exam of retinal blood vessels using a special camera after injection of a dye 92235

This procedure, known as a fluorescein angiography, involves taking images of the back of your eye. A dye is injected into your arm that travels to your eye, highlighting the blood vessels in your retina. This helps identify any abnormalities.

14 services14 patients

Photography of content of eyes 92285

Photography of the content of eyes, also known as ocular photography, captures detailed images of different parts of the eye. It helps identify and monitor conditions like glaucoma, macular degeneration, or diabetic retinopathy. The process is non-invasive and painless.

13 services13 patients

Removal or relocation of corneal conjunctiva with graft 65426

This procedure involves the removal or relocation of the conjunctiva, a thin layer covering the white part of your eye, and replacing it with a graft. This is typically done to treat conditions affecting the eye's surface, improving comfort and vision.

12 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92683 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$142.39 typical visit price

range $62.96 – $187.60

Typical copayment $35.59 (range $15.74 – $46.90)

Most-billed visit code 99204

Established Patient

$77.96 typical visit price

range $20.84 – $153.61

Typical copayment $19.49 (range $5.21 – $38.40)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

100/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Individually scored

Quality

100

Improvement Activities

Cost

100

Reported Quality Measures

Cataracts: 20/40 or Better Visual Acuity within 90 Days Following Cataract Surgery

100%55 patients5/55-star benchmark: 100%

Diabetes: Eye Exam

100%1,715 patients5/55-star benchmark: 100%

Diabetic Macular Edema - Loss of Visual Acuity

100%33 patients

Diabetic Retinopathy: Communication with the Physician Managing Ongoing Diabetes Care

96%475 patients4/55-star benchmark: 100%

Glaucoma Intraocular Pressure Reduction

94%3,470 patients

Primary Open-Angle Glaucoma (POAG): Reduction of Intraocular Pressure (IOP) by 15% OR Documentation of a Plan of Care

100%230 patients

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims 4

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Frames, purchases V2020

Other-Vision, Hearing, and Speech Services · category OC000N

1 supplier46 claims46 services$68.00 avg. paid by Medicare

Sphere, single vision, plano to plus or minus 4.00, per lens V2100

Other-Vision, Hearing, and Speech Services · category OC000N

1 supplier16 claims23 services$30.87 avg. paid by Medicare

Spherocylinder, single vision, plano to plus or minus 4.00d sphere, .12 to 2.00d cylinder, per lens V2103

Other-Vision, Hearing, and Speech Services · category OC000N

1 supplier15 claims22 services$31.08 avg. paid by Medicare

Spherocylinder, bifocal, plano to plus or minus 4.00d sphere, .12 to 2.00d cylinder, per lens V2203

Other-Vision, Hearing, and Speech Services · category OC000N

1 supplier18 claims31 services$52.88 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

CUONG-DUNG DO, M.D., INC

Ophthalmology

9061 BOLSA AVE STE 105
WESTMINSTER, CA 92683

Orange County (714) 899-5670

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's NPI number?

The NPI number for Cuong-dung Do is 1477574200. It was assigned to this individual provider in the NPPES registry on July 21, 2006.

Where is Cuong-dung Do located?

Cuong-dung Do practices at 9061 Bolsa Ave Ste 105, Westminster, CA 92683. The listed phone number is (714) 899-5670.

What is Cuong-dung Do's specialty?

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

Is Cuong-dung Do enrolled in Medicare?

Yes. Cuong-dung Do is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Cuong-dung Do's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Cuong-dung Do reassigns Medicare benefits to Cuong-Dung Do, M.D., Inc (Westminster, CA). The 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 Cuong-dung Do's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Cuong-dung Do accept?

Health plans from Anthem Blue Cross and Blue Shield and Providence Health Plan list Cuong-dung Do 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 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.