NPPES file of Aug 9, 2026

Peter Nguyen, M.D.

Critical Care Medicine (Internal Medicine) Physician · Downey, CA

Peter Nguyen, M.D. is a critical care medicine (internal medicine) physician with a practice address in Downey, California, and NPI 1912387812, issued on Jun 5, 2015. Check the license (California A148606, 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
1912387812
Name
Peter Nguyen
Credential
M.D.
Primary taxonomy
Critical Care Medicine (Internal Medicine) Physician 207RC0200X
License number
A148606 CA
Self-reported in NPPES; status is on the state search
Practice location
7601 Imperial Hwy Ste Jpi 3120, Downey, CA 90242
Phone
(562) 385-7674
Enumerated
Jun 5, 2015
Record last updated
Apr 18, 2023
Medicare enrollment
Enrolled (PECOS I20180413000230); accepts Medicare assignment
Medical or professional school
Georgetown University School Of Medicine, 2015
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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8 nearest critical care medicine (internal medicine) physician records → All 723 in California → Look up another NPI →

Also registered at 7601 Imperial Hwy Ste Jpi 3120

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

  1. Sean Dreyer, MDPhysical Medicine & Rehabilitation Physician1538666292
  2. Mondana Hatzidakis, PA-CPhysician Assistant1689820037

Verify Peter 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 A148606    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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83% fewer Medicare Part D claims than the average critical care medicine (internal medicine) physician in 2024

120 Medicare Part D claims for 31 beneficiaries, against an average of 696 among the 2,873 providers of this specialty who prescribed in Part D. Brand-name drugs were 58% of claims.

  1. Peter Nguyen120
  2. Specialty average696

Most prescribed

  1. Albuterol Sulfate Hfa25 claims
  2. Dulera19 claims
  3. Atrovent Hfa12 claims
  4. Fluticasone Propionate11 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: $63.49

2 payments; by number, the most common kind was food and beverage; the largest payer was Becton, Dickinson and Company. The 2,708 providers of this specialty with any payment received $2,958.68 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Peter Nguyen$63.49
  2. Specialty average$2,958.68

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. Prestige Pulmonary Consultants IncMonterey Park, CA

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

Peter Nguyen among 723 critical care medicine (internal medicine) physician records in California

Peter Nguyen, M.D. is one of 723 critical care 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 2015, is newer than 81% of them.

  • NPI issued2015 · 81% of these records are older, 15% newer
  • In a Medicare fileYes · 87% of these records are
  • In the CMS Doctors and Clinicians fileYes · 77% of these records are
  • Graduated2015 · median 2005 among the 559 with a school on file
  • Record last updated2023 · 50% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0200X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Critical Care Medicine (Internal Medicine) Physician providers in California

There are 723 critical care medicine (internal medicine) physician records in California.

All 723 in California → Every provider in Downey → Critical Care Medicine (Internal Medicine) Physician nationwide →

The 8 critical care medicine (internal medicine) physician records with the nearest ZIP codes

  1. David Kelley, M.D.Beverly Hills, CA 902111417127317
  2. Chan-Chou Chuang, M.D., FCCP, FACPRancho Palos Verdes, CA 902751073589248
  3. Mouhamed Farhat, MDBell, CA 902011982800751
  4. Zafia Anklesaria, M.D.Los Angeles, CA 900951518223031
  5. Brian Brotherton, MDLos Angeles, CA 900891205133188
  6. Ajay Jassal, MDLos Angeles, CA 900891750086989
  7. Roozehra Khan, D.O.Los Angeles, CA 900891437478245
  8. Ashish Patel, M.D.Los Angeles, CA 900891366643363

Common questions

What is Peter Nguyen, M.D.'s NPI number?

Peter Nguyen, M.D.'s National Provider Identifier (NPI) is 1912387812, issued on Jun 5, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Peter Nguyen, M.D. located?

The NPPES record lists a practice address at 7601 Imperial Hwy Ste Jpi 3120, Downey, CA, 90242. Phone: (562) 385-7674. Providers update this record themselves, so call before visiting.

How can I verify Peter Nguyen, M.D.'s license?

NPPES lists California license number A148606, 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 Peter Nguyen, M.D. prescribe under Medicare Part D?

In 2024, Peter Nguyen, M.D. had 120 Medicare Part D claims for 31 beneficiaries; the average among critical care medicine (internal medicine) physician prescribers was 696. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.