NPPES file of Aug 9, 2026

Alvin Nguyen

Neurology Physician · Mission Hills, CA

Alvin Nguyen is a neurology physician with a practice address in Mission Hills, California, and NPI 1568856235, issued on Mar 20, 2015. Check the license (California 20A14229, 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
1568856235
Name
Alvin Nguyen
Primary taxonomy
Neurology Physician 2084N0400X
License number
20A14229 CA
Self-reported in NPPES; status is on the state search
Practice location
11333 Sepulveda Blvd, Mission Hills, CA 91345
Phone
(818) 869-7267
Enumerated
Mar 20, 2015
Record last updated
Nov 18, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20200715001318); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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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Also registered at 11333 Sepulveda Blvd

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

  1. Rafik Abdou, M.DInternal Medicine Physician1740594415
  2. Arin Abnoosian, M.D.Psychiatry Physician1255661658
  3. Lord Listowel Addo-Yirenkyi, MDHospitalist Physician1588140008
  4. Shanta Adhikari, NPFamily Nurse Practitioner1417453945
  5. Faraz Ali, M.D.Internal Medicine Physician1598170938
  6. Karine Aloyan, M.D.Internal Medicine Physician1548919673

Verify Alvin 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 20A14229
    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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88% more Medicare Part D claims than the average neurology physician in 2024

2,578 Medicare Part D claims for 532 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 39 claims were for opioids.

  1. Alvin Nguyen2,578
  2. Specialty average1,370

Most prescribed

  1. Donepezil Hcl291 claims
  2. Gabapentin231 claims
  3. Memantine Hcl163 claims
  4. Primidone130 claims
  5. Duloxetine Hcl111 claims
  6. Quetiapine Fumarate108 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: $10,693.48

39 payments; by number, the most common kind was food and beverage; the largest payer was Teva Pharmaceuticals USA, Inc. The 10,858 providers of this specialty with any payment received $8,318.07 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Alvin Nguyen$10,693
  2. Specialty average$8,318

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

  1. Providence Facey Medical FoundationMission Hills, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Alvin Nguyen among 2,339 neurology physician records in California

Alvin Nguyen is one of 2,339 neurology physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 75% of them.

  • NPI issued2015 · 75% of these records are older, 22% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 70% of these records are
  • Graduated2014 · median 2006 among the 1,628 with a school on file
  • Record last updated2020 · 55% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084N0400X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

8 neurology physician records list a practice address in Mission Hills

They are 8 of the 731 NPPES records with a practice address in Mission Hills, and 2,339 neurology physician records in California.

The 8 neurology physician records with the nearest ZIP codes

  1. Doris Cardenas, MD.Mission Hills, CA 913451144384116
  2. Craig German, MDMission Hills, CA 913451316167265
  3. Victor Hogen, MDMission Hills, CA 913451235139346
  4. Yasuhiro Maeda, M.D.Mission Hills, CA 913451871558007
  5. Wei Mi, M.D.Mission Hills, CA 913451871601401
  6. Kanwal Nayyar, MDMission Hills, CA 913451043238371
  7. Ankur Nayyar, M.D.Mission Hills, CA 913451912380783
  8. Joy Chan, M.D.Sepulveda, CA 913431306291794

Common questions

What is Alvin Nguyen's NPI number?

Alvin Nguyen's National Provider Identifier (NPI) is 1568856235, issued on Mar 20, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Alvin Nguyen located?

The NPPES record lists a practice address at 11333 Sepulveda Blvd, Mission Hills, CA, 91345. Phone: (818) 869-7267. Providers update this record themselves, so call before visiting.

How can I verify Alvin Nguyen's license?

NPPES lists California license number 20A14229, 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 Alvin Nguyen prescribe under Medicare Part D?

In 2024, Alvin Nguyen had 2,578 Medicare Part D claims for 532 beneficiaries; the average among neurology physician prescribers was 1,370. 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.