NPPES file of Aug 9, 2026

Viet Van Dang, M.D.

Ophthalmology Physician · Westminster, CA

Viet Van Dang, M.D. is an ophthalmology physician with a practice address in Westminster, California, and NPI 1548276454, issued on Jul 31, 2006. Check the license on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1548276454
Name
Viet Van Dang
Credential
M.D.
Primary taxonomy
Ophthalmology Physician 207W00000X
Practice location
10301 Bolsa Ave Ste 104, Westminster, CA 92683
Phone
(714) 775-0898
Enumerated
Jul 31, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(715) 775-4208
Medicaid ID
00G488290 CA
Medicare enrollment
Enrolled (PECOS I20101018001218); may accept Medicare assignment
Medical or professional school
University Of California, Irvine, California College Of Medicine, 1981
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Viet Van Dang in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of CaliforniaCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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90% more Medicare Part D claims than the average ophthalmology physician in 2024

2,890 Medicare Part D claims for 368 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 30% of claims.

  1. Viet Dang2,890
  2. Specialty average1,518

Most prescribed

  1. Latanoprost1,342 claims
  2. Dorzolamide-Timolol466 claims
  3. Timolol Maleate173 claims
  4. Lumigan152 claims
  5. Travoprost87 claims
  6. Simbrinza74 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $15.37

1 payment: food and beverage; the largest payer was Alcon Vision LLC. The 13,221 providers of this specialty with any payment received $4,535.02 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Viet Dang$15.37
  2. Specialty average$4,535.02

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Ophthalmology Physician providers in California

There are 2,899 ophthalmology physician records in California.

Other ophthalmology physician records in California

  1. Sam Abbassi, MD, MSWest Hills, CA1881937720
  2. Richard Abbott, M.D.San Francisco, CA1346276573
  3. Jean-Paul Abboud, M.D., PH.D.Del Mar, CA1760776728
  4. Nizar Abdelfattah, MDPasadena, CA1801359393
  5. Parastou Abedi, MDAliso Viejo, CA1720067333
  6. Shahla Abedi, MDAliso Viejo, CA1467431072
  7. Lilit Ablabutyan, M.D.Glendale, CA1497013064
  8. Nathan Abraham, M.D.Valencia, CA1306224456
  9. James Abrams, M.D.San Bruno, CA1912903329
  10. Adam Abroms, MDWestlake Village, CA1497743702

Common questions

What is Viet Van Dang, M.D.'s NPI number?

Viet Van Dang, M.D.'s National Provider Identifier (NPI) is 1548276454, issued on Jul 31, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Viet Van Dang, M.D. located?

The NPPES record lists a practice address at 10301 Bolsa Ave Ste 104, Westminster, CA, 92683. Phone: (714) 775-0898. Providers update this record themselves, so call before visiting.

How can I verify Viet Van Dang, M.D.'s license?

Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Viet Van Dang, M.D. prescribe under Medicare Part D?

In 2024, Viet Van Dang, M.D. had 2,890 Medicare Part D claims for 368 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.