Ariel Nguyen
Physician Assistant · San Bernardino, CA
Ariel Nguyen is a physician assistant with a practice address in San Bernardino, California, and NPI 1902433303, issued on Mar 25, 2020. Check the license (California 57571, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Ariel Nguyen
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 57571 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2101 N Waterman Ave, San Bernardino, CA 92404
- Phone
- (909) 883-8711
- Enumerated
- Mar 25, 2020
- Record last updated
- Feb 18, 2025
- Medicare enrollment
- Enrolled (PECOS I20200511001448); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Also registered at 2101 N Waterman Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Raghad AbbasStudent in an Organized Health Care Education/Training Program1588424436
- Ahmed Abdelmaksoud, MDStudent in an Organized Health Care Education/Training Program1801656855
- Alyssa Abdelnour, MDStudent in an Organized Health Care Education/Training Program1417717885
- Fatemeh Adabifirouzjaei, MDStudent in an Organized Health Care Education/Training Program1952051443
- William Ahnn, M.D.Anesthesiology Physician1457338683
- Molara Alexis, M.DInternal Medicine Physician1134380751
Verify Ariel Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 57571Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average physician assistant in 2024
60 Medicare Part D claims for 38 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 18 claims were for opioids.
Most prescribed
- Oxycodone Hcl12 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.
Bills Medicare through one group practice
- Southern California Permanente Medical GroupSan Marcos, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ariel Nguyen among 14,451 physician assistant records in California
Ariel Nguyen is one of 14,451 physician assistant records with a practice address in California. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 62% of them.
- NPI issued2020 · 62% of these records are older, 33% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2019 · median 2018 among the 7,214 with a school on file
- Record last updated2025 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
83 physician assistant records list a practice address in San Bernardino
They are 83 of the 5,645 NPPES records with a practice address in San Bernardino, and 14,451 physician assistant records in California.
All 14,451 in California → Every provider in San Bernardino → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Silvia Barr, PA-CSan Bernardino, CA 924041245602259
- Brian Benson, PA-CSan Bernardino, CA 924041700943107
- William Boyle, PA-CSan Bernardino, CA 924041124053715
- Raymond Cervenka, PASan Bernardino, CA 924041497965529
- Deval Dave, PASan Bernardino, CA 924041013220458
- William Inciso, PA-C, PHDSan Bernardino, CA 924041407050289
- Amber Janson, PA-CSan Bernardino, CA 924041750753141
- Billy Kim, PA-CSan Bernardino, CA 924041285973859
Common questions
What is Ariel Nguyen's NPI number?
Ariel Nguyen's National Provider Identifier (NPI) is 1902433303, issued on Mar 25, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Ariel Nguyen located?
The NPPES record lists a practice address at 2101 N Waterman Ave, San Bernardino, CA, 92404. Phone: (909) 883-8711. Providers update this record themselves, so call before visiting.
How can I verify Ariel Nguyen's license?
NPPES lists California license number 57571, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Ariel Nguyen prescribe under Medicare Part D?
In 2024, Ariel Nguyen had 60 Medicare Part D claims for 38 beneficiaries; the average among physician assistant prescribers was 830. 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.