Viet Hoang Nguyen, D.O.
Internal Medicine Physician · Irvine, CA
Viet Hoang Nguyen, D.O. is an internal medicine physician with a practice address in Irvine, California, and NPI 1770528515, issued on Jun 17, 2006. Check the license (California 20A9011, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Viet Hoang Nguyen
- Credential
- D.O.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 20A9011 CA
Self-reported in NPPES; status is on the state search - Practice location
- 11 Technology Dr, Irvine, CA 92618
- Phone
- (855) 206-6764
- Enumerated
- Jun 17, 2006
- Record last updated
- Nov 23, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (949) 923-3575
- Medicare enrollment
- Enrolled (PECOS I20061004000180); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 11 Technology Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Ali Ahoui, MDHospitalist Physician1093964769
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- Richard AppelInternal Medicine Physician1336225044
- Juan Cabrera, M.D.Internal Medicine Physician1447254792
- Houman Danesh, M.D.Internal Medicine Physician1205027802
Verify Viet Hoang Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A9011Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
100% fewer Medicare Part D claims than the average internal medicine physician in 2024
11 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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: $77.10
2 payments; by number, the most common kind was food and beverage; the largest payer was Boston Scientific Corporation. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Centers For Family Medicine GPLos Alamitos, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
155 internal medicine physician records list a practice address in Irvine
They are 155 of the 7,778 NPPES records with a practice address in Irvine, and 17,696 internal medicine physician records in California.
All 155 in Irvine → All 17,696 in California → Every provider in Irvine →
Other internal medicine physician records in California
- Jacob Aaron, MDSan Francisco, CA1407202518
- Alistair Aaronson, MDStanford, CA1457628760
- Jose Abad., MDSacramento, CA1144607219
- Donna Abare, MDOakland, CA1386722155
- Marce AbareScotts Valley, CA1457744708
- Samuel Abarte, M.D.Chula Vista, CA1578535498
- Alexander Abary, MDLong Beach, CA1104995919
- Luba Abascal, MDSan Francisco, CA1023180874
- Michael Abate, MDSacramento, CA1548248131
- Wali Abawi, D.O.Joshua Tree, CA1104362268
Common questions
What is Viet Hoang Nguyen, D.O.'s NPI number?
Viet Hoang Nguyen, D.O.'s National Provider Identifier (NPI) is 1770528515, issued on Jun 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Viet Hoang Nguyen, D.O. located?
The NPPES record lists a practice address at 11 Technology Dr, Irvine, CA, 92618. Phone: (855) 206-6764. Providers update this record themselves, so call before visiting.
How can I verify Viet Hoang Nguyen, D.O.'s license?
NPPES lists California license number 20A9011, as entered by the provider. 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 Hoang Nguyen, D.O. prescribe under Medicare Part D?
In 2024, Viet Hoang Nguyen, D.O. had 11 Medicare Part D claims; the average among internal medicine physician prescribers was 3,176. 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.