NPPES file of Aug 9, 2026

David Cuong Nguyen, M.D.

Internal Medicine Physician · Long Beach, CA

David Cuong Nguyen, M.D. is an internal medicine physician with a practice address in Long Beach, California, and NPI 1932425683, issued on Apr 19, 2010. Check the license (California A121745, 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
1932425683
Name
David Cuong Nguyen
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
A121745 CA
Self-reported in NPPES; status is on the state search
Practice location
3610 Atlantic Ave, Long Beach, CA 90807
Phone
(562) 424-8814
Enumerated
Apr 19, 2010
Record last updated
Dec 3, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20140514001009); 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 3610 Atlantic Ave

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

  1. Linda Destefano, DNPAcute Care Nurse Practitioner1881090330
  2. Hamid Far, MDInternal Medicine Physician1982807657
  3. Fathima Zahra Kamil Faiz, M.D.Internal Medicine Physician1972919355
  4. Peter KiersteadInternal Medicine Physician1700164944
  5. Pamela Lee, P.A.Medical Physician Assistant1255362984
  6. Irene Malek, M.D.Family Medicine Physician1316984248

Verify David Cuong 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 A121745
    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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72% fewer Medicare Part D claims than the average internal medicine physician in 2024

888 Medicare Part D claims for 423 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.

  1. David Nguyen888
  2. Specialty average3,176

Most prescribed

  1. Gavilyte-C342 claims
  2. Omeprazole214 claims
  3. Pantoprazole Sodium56 claims
  4. Cholestyramine25 claims
  5. Spironolactone16 claims
  6. Mesalamine15 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: $91.28

3 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Pharmaceuticals, Inc. 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. David Nguyen$91.28
  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 GroupRiverside, CA

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

David Cuong Nguyen among 17,696 internal medicine physician records in California

David Cuong Nguyen, M.D. 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 2010, is newer than 63% of them.

  • NPI issued2010 · 63% of these records are older, 34% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2010 · median 2004 among the 11,065 with a school on file
  • Record last updated2021 · 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).

221 internal medicine physician records list a practice address in Long Beach

They are 221 of the 13,650 NPPES records with a practice address in Long Beach, and 17,696 internal medicine physician records in California.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Alexander Abary, MDLong Beach, CA 908071104995919
  2. Youssef Awad, MDLong Beach, CA 908071164528105
  3. Maurice Bell, MDLong Beach, CA 908071003838020
  4. Archna Chaudhary, MDLong Beach, CA 908071548372634
  5. Robert Comer, MDLong Beach, CA 908071134233158
  6. Hamid Far, MDLong Beach, CA 908071982807657
  7. Neeraj Gupta, M.D.Long Beach, CA 908071356504062
  8. Rubina Husain, M.D.Long Beach, CA 908071720046717

Common questions

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

David Cuong Nguyen, M.D.'s National Provider Identifier (NPI) is 1932425683, issued on Apr 19, 2010. An NPI identifies a provider in billing; it is not a license.

Where is David Cuong Nguyen, M.D. located?

The NPPES record lists a practice address at 3610 Atlantic Ave, Long Beach, CA, 90807. Phone: (562) 424-8814. Providers update this record themselves, so call before visiting.

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

NPPES lists California license number A121745, 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 David Cuong Nguyen, M.D. prescribe under Medicare Part D?

In 2024, David Cuong Nguyen, M.D. had 888 Medicare Part D claims for 423 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.