NPPES file of Aug 9, 2026

Jasmine Nguyen, DO

Internal Medicine Physician · Downey, CA

Jasmine Nguyen, DO is an internal medicine physician with a practice address in Downey, California, and NPI 1952989667, issued on Apr 1, 2021. Check the license (California 20481, 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
1952989667
Name
Jasmine Nguyen
Credential
DO
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
20481 CA
Self-reported in NPPES; status is on the state search
Practice location
9449 Imperial Hwy, Downey, CA 90242
Phone
(833) 574-2273
Enumerated
Apr 1, 2021
Record last updated
Oct 25, 2024
Medicare enrollment
Enrolled (PECOS I20241115002072); accepts Medicare assignment
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 9449 Imperial Hwy

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

  1. Gary AfferinoPharmacist1437696267
  2. Stephanie Angarita, M.D.Surgical Oncology Physician1003259219
  3. Melanie Aoki, PH.D.Cognitive & Behavioral Psychologist1588865489
  4. Glenn Arnoco, FNPFamily Medicine Physician1629633391
  5. Shant Ashdjian, M.D.Obstetrics & Gynecology Physician1841502457
  6. Sana Ashraf, MDPediatric Cardiology Physician1316177215

Verify Jasmine 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 20481
    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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95% fewer Medicare Part D claims than the average internal medicine physician in 2024

164 Medicare Part D claims for 87 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Jasmine Nguyen164
  2. Specialty average3,176

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: $71.56

4 payments; by number, the most common kind was food and beverage; the largest payer was Merck Sharp & Dohme LLC. 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.

  1. Jasmine Nguyen$71.56
  2. Specialty average$1,303.06

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. Southern California Permanente Medical GroupBellflower, CA

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

Jasmine Nguyen among 17,696 internal medicine physician records in California

Jasmine Nguyen, DO is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 92% of them.

  • NPI issued2021 · 92% of these records are older, 5% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2024 · median 2004 among the 11,065 with a school on file
  • Record last updated2024 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

114 internal medicine physician records list a practice address in Downey

They are 114 of the 3,607 NPPES records with a practice address in Downey, and 17,696 internal medicine physician records in California.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Sohail Afra, M.D.Downey, CA 902421023125176
  2. Ron Chai, M.D.Downey, CA 902421447361316
  3. Ronald Collins, M.D.Downey, CA 902421235176181
  4. Rashmi Desai, M.D.Downey, CA 902421801990247
  5. Basuki Gunawan, M.D.Downey, CA 902421346352473
  6. Danese Hayes, M.D.Downey, CA 902421689786733
  7. Goethe Hsu, M.D.Downey, CA 902421386656726
  8. Diana Hsu, M.D.Downey, CA 902421720090137

Common questions

What is Jasmine Nguyen, DO's NPI number?

Jasmine Nguyen, DO's National Provider Identifier (NPI) is 1952989667, issued on Apr 1, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Jasmine Nguyen, DO located?

The NPPES record lists a practice address at 9449 Imperial Hwy, Downey, CA, 90242. Phone: (833) 574-2273. Providers update this record themselves, so call before visiting.

How can I verify Jasmine Nguyen, DO's license?

NPPES lists California license number 20481, 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 Jasmine Nguyen, DO prescribe under Medicare Part D?

In 2024, Jasmine Nguyen, DO had 164 Medicare Part D claims for 87 beneficiaries; 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.