NPPES file of Aug 9, 2026

John Nguyen, DO

Hospice and Palliative Medicine (Internal Medicine) Physician · Los Angeles, CA

John Nguyen, DO is a hospice and palliative medicine (internal medicine) physician with a practice address in Los Angeles, California, and NPI 1326789793, issued on Apr 7, 2022. Check the license (California 20A21732, 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
1326789793
Name
John Nguyen
Credential
DO
Primary taxonomy
Hospice and Palliative Medicine (Internal Medicine) Physician 207RH0002X
License number
20A21732 CA
Self-reported in NPPES; status is on the state search
Practice location
4733 W Sunset Blvd FL 3, Los Angeles, CA 90027
Phone
(323) 783-3699
Enumerated
Apr 7, 2022
Record last updated
Apr 15, 2025
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 4733 W Sunset Blvd FL 3

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

  1. Andrew AbayanStudent in an Organized Health Care Education/Training Program1912589391
  2. Riad Abdulmoniem, MDStudent in an Organized Health Care Education/Training Program1215730841
  3. Dishan AbeydeeraStudent in an Organized Health Care Education/Training Program1265291413
  4. Alyssa AbramStudent in an Organized Health Care Education/Training Program1508626300
  5. Max Abramson, MDStudent in an Organized Health Care Education/Training Program1093579286
  6. Shalini Agrawal, DOStudent in an Organized Health Care Education/Training Program1316707888

Verify John 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 20A21732
    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

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45% fewer Medicare Part D claims than the average hospice and palliative medicine (internal medicine) physician in 2024

404 Medicare Part D claims for 89 beneficiaries, against an average of 741 among the 1,607 providers of this specialty who prescribed in Part D. Brand-name drugs were 20% of claims.

  1. John Nguyen404
  2. Specialty average741

Most prescribed

  1. Atorvastatin Calcium32 claims
  2. Amlodipine Besylate17 claims
  3. Lisinopril-Hydrochlorothiazide17 claims
  4. Losartan Potassium14 claims
  5. Humulin 70/30 Kwikpen13 claims
  6. Insulin Glargine-Yfgn13 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.

John Nguyen among 260 hospice and palliative medicine (internal medicine) physician records in California

John Nguyen, DO is one of 260 hospice and palliative medicine (internal medicine) physician records with a practice address in California. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 98% of them.

  • NPI issued2022 · 98% of these records are older, under 1% newer
  • In a Medicare fileYes · 87% of these records are
  • In the CMS Doctors and Clinicians fileNo · 74% of these records are
  • Record last updated2025 · 38% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0002X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hospice and Palliative Medicine (Internal Medicine) Physician providers in California

There are 260 hospice and palliative medicine (internal medicine) physician records in California.

The 8 hospice and palliative medicine (internal medicine) physician records with the nearest ZIP codes

  1. Anna Armitage, MDLos Angeles, CA 900271952938300
  2. John LeLos Angeles, CA 900271760019798
  3. Roma Tickoo, M.D., M.P.H.Los Angeles, CA 900251326235995
  4. Emily Martin, M.D.Los Angeles, CA 900241316350689
  5. Babak Roozrokh, M.D.Los Angeles, CA 900241326078361
  6. Emily Beers, M.D.Los Angeles, CA 900331649477258
  7. Shyam Bhansali, D.O.Los Angeles, CA 900331013396068
  8. Pamelyn Close, MDLos Angeles, CA 900331831380930

Common questions

What is John Nguyen, DO's NPI number?

John Nguyen, DO's National Provider Identifier (NPI) is 1326789793, issued on Apr 7, 2022. An NPI identifies a provider in billing; it is not a license.

Where is John Nguyen, DO located?

The NPPES record lists a practice address at 4733 W Sunset Blvd FL 3, Los Angeles, CA, 90027. Phone: (323) 783-3699. Providers update this record themselves, so call before visiting.

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

NPPES lists California license number 20A21732, 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 John Nguyen, DO prescribe under Medicare Part D?

In 2024, John Nguyen, DO had 404 Medicare Part D claims for 89 beneficiaries; the average among hospice and palliative medicine (internal medicine) physician prescribers was 741. 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.