NPPES file of Aug 9, 2026

Hung T. Nguyen, M.D.

Anesthesiology Physician · Fountain Valley, CA

Hung T. Nguyen, M.D. is an anesthesiology physician with a practice address in Fountain Valley, California, and NPI 1245211762, issued on Nov 10, 2005. Check the license (California A48074, as entered in NPPES) 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
1245211762
Name
Hung T. Nguyen
Credential
M.D.
Primary taxonomy
Anesthesiology Physician 207L00000X
License number
A48074 CA
Self-reported in NPPES; status is on the state search
Practice location
9920 Talbert Ave, Fountain Valley, CA 92708
Phone
(714) 378-7000
Enumerated
Nov 10, 2005
Record last updated
Jul 16, 2014 (not updated in 12 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 9920 Talbert Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Silje Bjorndal, M.S.,R.D.Registered Dietitian1386083475
  2. Roberta Bruni Barnett, MDNeonatal-Perinatal Medicine Physician1609841899
  3. Tina Bui, DNP, APRN, ACNPC-BCAcute Care Nurse Practitioner1760367833
  4. Tran Chau, NPFamily Nurse Practitioner1073143087
  5. Mona Lisa Collado, RDNRegistered Dietitian1821676214
  6. Michele Constantine, RNFARegistered Nurse First Assistant1598132532

Verify Hung T. Nguyen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A48074
    Check 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
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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96% fewer Medicare Part D claims than the average anesthesiology physician in 2024

18 Medicare Part D claims, against an average of 402 among the 4,319 providers of this specialty who prescribed in Part D.

  1. Hung Nguyen18
  2. Specialty average402

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.

Hung T. Nguyen among 7,571 anesthesiology physician records in California

Hung T. Nguyen, M.D. is one of 7,571 anesthesiology physician records with a practice address in California. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 95% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileNo · 64% of these records are
  • Record last updated2014 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

51 anesthesiology physician records list a practice address in Fountain Valley

They are 51 of the 2,190 NPPES records with a practice address in Fountain Valley, and 7,571 anesthesiology physician records in California.

The 8 anesthesiology physician records with the nearest ZIP codes

  1. Michael Do, M.D.Fountain Valley, CA 927081235102880
  2. Fazeela Ferouz, M.D.Fountain Valley, CA 927081689641482
  3. Benjamin Ho, M.D.Fountain Valley, CA 927081558342048
  4. Anhtu La, M.D.Fountain Valley, CA 927081265413165
  5. Andy Le, MDFountain Valley, CA 927081659356368
  6. Albert Lee, D.O.Fountain Valley, CA 927081649242017
  7. Xiaodong Li, M.D.Fountain Valley, CA 927081285605923
  8. Austin Lin, M.D.Fountain Valley, CA 927081962482596

Common questions

What is Hung T. Nguyen, M.D.'s NPI number?

Hung T. Nguyen, M.D.'s National Provider Identifier (NPI) is 1245211762, issued on Nov 10, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Hung T. Nguyen, M.D. located?

The NPPES record lists a practice address at 9920 Talbert Ave, Fountain Valley, CA, 92708. Phone: (714) 378-7000. Providers update this record themselves, so call before visiting.

How can I verify Hung T. Nguyen, M.D.'s license?

NPPES lists California license number A48074, 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 Hung T. Nguyen, M.D. prescribe under Medicare Part D?

In 2024, Hung T. Nguyen, M.D. had 18 Medicare Part D claims; the average among anesthesiology physician prescribers was 402. 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.