Registry data as of Aug 27, 2026

Michelle Nguyen

Neurology Physician · Orange, CA

Michelle Nguyen is a neurology physician with a practice address in Orange, California, and NPI 1043896715, issued on Mar 22, 2021. Check the license on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1043896715
Name
Michelle Nguyen
Primary taxonomy
Neurology Physician 2084N0400X
Practice location
101 The City Dr S Ste 400, Orange, CA 92868
Phone
(714) 456-5691
Enumerated
Mar 22, 2021
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 101 The City Dr S Ste 400

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

  1. Joshua AbataStudent in an Organized Health Care Education/Training Program1437899697
  2. Mark Abdelnour, MDStudent in an Organized Health Care Education/Training Program1194527812
  3. Shant AbrhamianStudent in an Organized Health Care Education/Training Program1033911219
  4. Salam AllahwerdyStudent in an Organized Health Care Education/Training Program1124767470
  5. Lily Allison, MDStudent in an Organized Health Care Education/Training Program1063272441
  6. Charissa Alo, MDStudent in an Organized Health Care Education/Training Program1801699335

Verify Michelle Nguyen 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
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.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

90% fewer Medicare Part D claims than the average neurology physician in 2024

130 Medicare Part D claims for 32 beneficiaries, against an average of 1,356 among the 13,714 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.

  1. Michelle Nguyen130
  2. Specialty average1,356

Most prescribed

  1. Carbidopa-Levodopa19 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.

Neurology Physician providers in California

There are 2,160 neurology physician records in California.

Other neurology physician records in California

  1. Venkat Raghav Aachi, MDThousand Oaks, CA1740640051
  2. John Aalbers, M.D.San Diego, CA1942262431
  3. Puya Abbassi, D.O.San Jose, CA1831695428
  4. Ahmed Abdelhak, MB CHBSan Francisco, CA1053013748
  5. Hadi Abou El Hassan, MDLos Angeles, CA1053995720
  6. John Paul Aboubechara, MD, PHDPalo Alto, CA1205461803
  7. Justin Abraham, M.D., M.B.A.Santa Barbara, CA1225322522
  8. Scott Abramson, M.D.San Leandro, CA1891873667
  9. Valerie Acevedo, D.O.Newport Beach, CA1043258502
  10. Saviour Achilike, MDTracy, CA1033506688

Common questions

What is Michelle Nguyen's NPI number?

Michelle Nguyen's National Provider Identifier (NPI) is 1043896715, issued on Mar 22, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Michelle Nguyen located?

The NPPES record lists a practice address at 101 The City Dr S Ste 400, Orange, CA, 92868. Phone: (714) 456-5691. Providers update this record themselves, so call before visiting.

How can I verify Michelle Nguyen'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 Michelle Nguyen prescribe under Medicare Part D?

In 2024, Michelle Nguyen had 130 Medicare Part D claims for 32 beneficiaries; the average among neurology physician prescribers was 1,356. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.