NPPES file of Aug 9, 2026

Ngan Hong Nguyen, M.D.

Family Medicine Physician · Bonita, CA

Ngan Hong Nguyen, M.D. is a family medicine physician with a practice address in Bonita, California, and NPI 1982043279, issued on Jun 19, 2013. Check the license (California 139882, 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
1982043279
Name
Ngan Hong Nguyen
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
139882 CA
Self-reported in NPPES; status is on the state search
Practice location
3955 Bonita RD, Bonita, CA 91902
Phone
(619) 409-6290
Enumerated
Jun 19, 2013
Record last updated
Dec 4, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20161104001826); 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 3955 Bonita RD

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

  1. Cristina BahenaBehavior Technician1710582226
  2. Julie Ball, PHARMDPharmacist1720266240
  3. Isaac Davis, DOInternal Medicine Physician1487232419
  4. Michele Dumstorff, PHARM. D.Pharmacist1396923967
  5. Jacqueline Haro, O.D.Optometrist1275797888
  6. Sarah Herrera, MDFamily Medicine Physician1356927313

Verify Ngan Hong 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 139882
    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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42% more Medicare Part D claims than the average family medicine physician in 2024

5,032 Medicare Part D claims for 790 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 197 claims were for opioids.

  1. Ngan Nguyen5,032
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium386 claims
  2. Amlodipine Besylate243 claims
  3. Lisinopril166 claims
  4. Losartan Potassium157 claims
  5. Meloxicam148 claims
  6. Levothyroxine Sodium147 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: $142.40

6 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Ngan Nguyen$142.40
  2. Specialty average$902.55

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 GroupBonita, CA

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

8 family medicine physician records list a practice address in Bonita

They are 8 of the 140 NPPES records with a practice address in Bonita, and 17,133 family medicine physician records in California.

Other family medicine physician records in California

  1. Omer Aba-Omer, MDSanta Monica, CA1649702093
  2. Michelle Ababa, MDWilmington, CA1710922513
  3. Anna Tzeitel Abalos, MDRoseville, CA1720200017
  4. Adan Abarca, MDAnaheim, CA1760553689
  5. Vanessa Abarca, DOVentura, CA1952040859
  6. Lorraine Abate, M.D.Sacramento, CA1104840008
  7. Robert Abatecola, MDCastro Valley, CA1669551719
  8. Romeo Abaya, M.D.Cottonwood, CA1598053506
  9. Effiem Abbah, MD, MPHSan Francisco, CA1821185133
  10. Khuzeman Abbasi, MDSanta Rosa, CA1841979952

Common questions

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

Ngan Hong Nguyen, M.D.'s National Provider Identifier (NPI) is 1982043279, issued on Jun 19, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Ngan Hong Nguyen, M.D. located?

The NPPES record lists a practice address at 3955 Bonita RD, Bonita, CA, 91902. Phone: (619) 409-6290. Providers update this record themselves, so call before visiting.

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

NPPES lists California license number 139882, 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 Ngan Hong Nguyen, M.D. prescribe under Medicare Part D?

In 2024, Ngan Hong Nguyen, M.D. had 5,032 Medicare Part D claims for 790 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.