NPPES file of Aug 9, 2026

Howard Nguyen, DO

Geriatric Psychiatry Physician · Baldwin Park, CA

Howard Nguyen, DO is a geriatric psychiatry physician with a practice address in Baldwin Park, California, and NPI 1558896381, issued on Apr 30, 2017. Check the license (California 20A20728, 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
1558896381
Name
Howard Nguyen
Credential
DO
Primary taxonomy
Geriatric Psychiatry Physician 2084P0805X
License number
20A20728 CA
Self-reported in NPPES; status is on the state search
Practice location
1011 Baldwin Park Blvd, Baldwin Park, CA 91706
Phone
(833) 574-2273
Enumerated
Apr 30, 2017
Record last updated
Oct 25, 2024
Medicare enrollment
Enrolled (PECOS I20241023003604); 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 1011 Baldwin Park Blvd

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

  1. Sarah Abdulla, M.D.Surgery Physician1699200840
  2. Julia Aburto-Erazo, NPNurse Practitioner1922175777
  3. Mauricio Acevedo, MDInternal Medicine Physician1659442614
  4. Helen Achio, PHARM.D.Pharmacist1225114614
  5. Olufemi Adenuga, M.D, MPHPulmonary Disease Physician1134389125
  6. Soma Agarwal, MDOphthalmology Physician1437220316

Verify Howard 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 20A20728
    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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70% fewer Medicare Part D claims than the average geriatric psychiatry physician in 2024

440 Medicare Part D claims for 98 beneficiaries, against an average of 1,485 among the 473 providers of this specialty who prescribed in Part D. Brand-name drugs were 3% of claims.

  1. Howard Nguyen440
  2. Specialty average1,485

Most prescribed

  1. Quetiapine Fumarate47 claims
  2. Escitalopram Oxalate43 claims
  3. Mirtazapine42 claims
  4. Sertraline Hcl28 claims
  5. Buspirone Hcl27 claims
  6. Gabapentin19 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

  1. Southern California Permanente Medical GroupBaldwin Park, CA

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

Geriatric Psychiatry Physician providers in California

There are 87 geriatric psychiatry physician records in California.

Other geriatric psychiatry physician records in California

  1. Mary-Ann Abraham, M.D.Sacramento, CA1437503117
  2. Kotra Ajir, MDLos Angeles, CA1134152754
  3. Richard AlmondPalo Alto, CA1730411240
  4. Jasdeep Aulakh, M.D.Patton, CA1932153616
  5. Abes Bagheri, M.D.Los Alamitos, CA1073619789
  6. Richard Baldwin, M.D.San Francisco, CA1851486104
  7. Kavita Barron, MDSan Diego, CA1821418542
  8. Imtiaz Basrai, M.D.Pasadena, CA1497843544
  9. Kyle Bechaz, M.D.Los Angeles, CA1497042287
  10. Vladimir Bokarius, M.D., PH.D., L.ACRichmond, CA1629021365

Common questions

What is Howard Nguyen, DO's NPI number?

Howard Nguyen, DO's National Provider Identifier (NPI) is 1558896381, issued on Apr 30, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Howard Nguyen, DO located?

The NPPES record lists a practice address at 1011 Baldwin Park Blvd, Baldwin Park, CA, 91706. Phone: (833) 574-2273. Providers update this record themselves, so call before visiting.

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

NPPES lists California license number 20A20728, 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 Howard Nguyen, DO prescribe under Medicare Part D?

In 2024, Howard Nguyen, DO had 440 Medicare Part D claims for 98 beneficiaries; the average among geriatric psychiatry physician prescribers was 1,485. 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.