NPPES file of Aug 9, 2026

Bao Q. Nguyen, MD

Family Medicine Physician · Stockton, CA

Bao Q. Nguyen, MD is a family medicine physician with a practice address in Stockton, California, and NPI 1821032475, issued on Jun 15, 2006. Check the license (California A92725, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1821032475
Name
Bao Q. Nguyen
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
A92725 CA
Self-reported in NPPES; status is on the state search
Practice location
2333 W March LN, Stockton, CA 95207
Phone
(209) 475-8144
Enumerated
Jun 15, 2006
Record last updated
Apr 20, 2022
Medicaid ID
00A927250 CA
Medicare enrollment
Enrolled (PECOS I20060302000389); 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 2333 W March LN

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

  1. Elgie Camales, N.P.Family Nurse Practitioner1891159448
  2. Khanh Farkas, DNP- ARNPAdult Health Nurse Practitioner1851992754
  3. Stephanie SmithMassage Therapist1437441599

Verify Bao Q. 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 A92725
    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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11.4 times the Medicare Part D claims of the average family medicine physician in 2024

40,532 Medicare Part D claims for 1,381 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims. 612 claims were for opioids.

  1. Bao Nguyen40,532
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium3,220 claims
  2. Losartan Potassium2,035 claims
  3. Amlodipine Besylate1,888 claims
  4. Metformin Hcl1,349 claims
  5. Metoprolol Succinate1,257 claims
  6. Gabapentin1,183 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.

The MIPS final score for 2023 (Medicare payment program): 46.5 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score39.7
  2. Costout of 100 · 30%85.4
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities0 of 40 points · 15%0.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $1,137.71

38 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. 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. Bao Nguyen$1,137.71
  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 3 group practices

  1. Geriatrics Long Term Care Medical CorporationStockton, CA
  2. Inpatient Specialists OF California PCStockton, CA
  3. March Lane Medical Clinic IncStockton, CA

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

Bao Q. Nguyen among 17,133 family medicine physician records in California

Bao Q. Nguyen, MD is one of 17,133 family medicine physician records with a practice address in California. 81% 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 6% of them.

  • NPI issued2006 · 6% of these records are older, 59% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated2003 · median 2005 among the 10,652 with a school on file
  • Record last updated2022 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

116 family medicine physician records list a practice address in Stockton

They are 116 of the 9,522 NPPES records with a practice address in Stockton, and 17,133 family medicine physician records in California.

The 8 family medicine physician records with the nearest ZIP codes

  1. Poonam Duggal, MDStockton, CA 952071356386510
  2. Justin Noonan, NPStockton, CA 952071972297927
  3. Edward Schneider, MDStockton, CA 952071215919014
  4. Annette Seiler, MDStockton, CA 952071629008339
  5. San Tso, D.O.Stockton, CA 952071598876716
  6. Clyde Wong, MDStockton, CA 952071487686473
  7. Michael Fox, MDStockton, CA 952061912069758
  8. John Bylsma, MDStockton, CA 952091972569416

Common questions

What is Bao Q. Nguyen, MD's NPI number?

Bao Q. Nguyen, MD's National Provider Identifier (NPI) is 1821032475, issued on Jun 15, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Bao Q. Nguyen, MD located?

The NPPES record lists a practice address at 2333 W March LN, Stockton, CA, 95207. Phone: (209) 475-8144. Providers update this record themselves, so call before visiting.

How can I verify Bao Q. Nguyen, MD's license?

NPPES lists California license number A92725, 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 Bao Q. Nguyen, MD prescribe under Medicare Part D?

In 2024, Bao Q. Nguyen, MD had 40,532 Medicare Part D claims for 1,381 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.

What is Bao Q. Nguyen, MD's MIPS final score?

The 2023 MIPS final score is 46.5 of 100. The average among 454,083 clinicians with a measured score was 83.5.

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.