NPPES file of Aug 9, 2026

Chi C. Du, M.D.

Family Medicine Physician · Yuba City, CA

Chi C. Du, M.D. is a family medicine physician with a practice address in Yuba City, California, and NPI 1669415857, issued on Jun 14, 2006. Check the license (California A78856, 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
1669415857
Name
Chi C. Du
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
A78856 CA
Self-reported in NPPES; status is on the state search
Practice location
1172 Live Oak Blvd, Yuba City, CA 95991
Phone
(530) 673-3391
Enumerated
Jun 14, 2006
Record last updated
Mar 28, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(530) 673-3491
Medicaid ID
00A788560 CA
Medicare enrollment
Enrolled (PECOS I20050302000752); 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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Verify Chi C. Du in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A78856
    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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2% fewer Medicare Part D claims than the average family medicine physician in 2024

3,488 Medicare Part D claims for 185 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 160 claims were for opioids.

  1. Chi Du3,488
  2. Specialty average3,544

Most prescribed

  1. Montelukast Sodium177 claims
  2. Gabapentin138 claims
  3. Levothyroxine Sodium121 claims
  4. Atorvastatin Calcium110 claims
  5. Omeprazole107 claims
  6. Metformin Hcl Er86 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: $424.36

6 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. Chi Du$424.36
  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.

Chi C. Du among 17,133 family medicine physician records in California

Chi C. Du, M.D. 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
  • Graduated1997 · median 2005 among the 10,652 with a school on file
  • Record last updated2012 · 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).

53 family medicine physician records list a practice address in Yuba City

They are 53 of the 1,726 NPPES records with a practice address in Yuba City, and 17,133 family medicine physician records in California.

The 8 family medicine physician records with the nearest ZIP codes

  1. Ericson Aquino, M.D.Yuba City, CA 959911144216383
  2. Dennis Bechini, D.O.Yuba City, CA 959911083664551
  3. Michael Blanchard, M.D.Yuba City, CA 959911205861465
  4. Kurt Bower, M.D.Yuba City, CA 959911114967130
  5. Gurmail Brar, M.D.Yuba City, CA 959911891710919
  6. Daniel Brink, M.D.Yuba City, CA 959911013967215
  7. Vassili Broutski, M.D.Yuba City, CA 959911396776548
  8. Kimdary Chek, M.D.Yuba City, CA 959911154385474

Common questions

What is Chi C. Du, M.D.'s NPI number?

Chi C. Du, M.D.'s National Provider Identifier (NPI) is 1669415857, issued on Jun 14, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Chi C. Du, M.D. located?

The NPPES record lists a practice address at 1172 Live Oak Blvd, Yuba City, CA, 95991. Phone: (530) 673-3391. Providers update this record themselves, so call before visiting.

How can I verify Chi C. Du, M.D.'s license?

NPPES lists California license number A78856, 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 Chi C. Du, M.D. prescribe under Medicare Part D?

In 2024, Chi C. Du, M.D. had 3,488 Medicare Part D claims for 185 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.