NPPES file of Aug 9, 2026

Hoa Nguyen, M.D

Internal Medicine Physician · Westminster, CA

Hoa Nguyen, M.D is an internal medicine physician with a practice address in Westminster, California, and NPI 1619931763, issued on Apr 14, 2006. Check the license (California G58722, 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
1619931763
Name
Hoa Nguyen
Credential
M.D
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
G58722 CA
Self-reported in NPPES; status is on the state search
Practice location
5835 Westminster Blvd, Westminster, CA 92683
Phone
(714) 898-9770
Enumerated
Apr 14, 2006
Record last updated
Mar 7, 2023
Fax
(714) 373-3361
Medicaid ID
00G587221 CA
Medicare enrollment
Enrolled (PECOS I20101129001003); accepts Medicare assignment
Medical or professional school
University Of Tennessee, Hsc, College Of Medicine, 1985
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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Verify Hoa 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 G58722
    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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8% fewer Medicare Part D claims than the average internal medicine physician in 2024

2,936 Medicare Part D claims for 333 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 33 claims were for opioids.

  1. Hoa Nguyen2,936
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium240 claims
  2. Losartan Potassium200 claims
  3. Amlodipine Besylate173 claims
  4. Montelukast Sodium135 claims
  5. Metformin Hcl125 claims
  6. Gavilyte-G87 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: $594.54

9 payments; by number, the most common kind was food and beverage; the largest payer was Gilead Sciences, 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. Hoa Nguyen$594.54
  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.

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

Hoa 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 2006, is newer than 5% of them.

  • NPI issued2006 · 5% of these records are older, 56% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated1985 · median 2004 among the 11,065 with a school on file
  • Record last updated2023 · 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).

43 internal medicine physician records list a practice address in Westminster

They are 43 of the 1,306 NPPES records with a practice address in Westminster, and 17,696 internal medicine physician records in California.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Loc Bui, M.D.Westminster, CA 926831023081387
  2. Andy Ho, M.D.Westminster, CA 926831801850821
  3. Vu Le, M.D.Westminster, CA 926831013992791
  4. Dean Ngo, MDWestminster, CA 926831982690582
  5. Loan Ngo, M.D.Westminster, CA 926831386696144
  6. Phuc Nguyen, M.D.Westminster, CA 926831134123961
  7. Vuong Nguyen, M.D.Westminster, CA 926831093701690
  8. Dao Nguyen, MDWestminster, CA 926831811948680

Common questions

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

Hoa Nguyen, M.D's National Provider Identifier (NPI) is 1619931763, issued on Apr 14, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Hoa Nguyen, M.D located?

The NPPES record lists a practice address at 5835 Westminster Blvd, Westminster, CA, 92683. Phone: (714) 898-9770. Providers update this record themselves, so call before visiting.

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

NPPES lists California license number G58722, 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 Hoa Nguyen, M.D prescribe under Medicare Part D?

In 2024, Hoa Nguyen, M.D had 2,936 Medicare Part D claims for 333 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.