NPPES file of Aug 9, 2026

Brent Seiji Izu, MD

Surgery Physician · Antioch, CA

Brent Seiji Izu, MD is a surgery physician with a practice address in Antioch, California, and NPI 1912004367, issued on Sep 20, 2006. Check the license (California 1012919, 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
1912004367
Name
Brent Seiji Izu
Credential
MD
Primary taxonomy
Surgery Physician 208600000X
License numbers
1012919 CA
35.088603 OH
Self-reported in NPPES; status is on the state search
Practice location
4053 Lone Tree Way Ste 200, Antioch, CA 94531
Phone
(925) 776-7725
Enumerated
Sep 20, 2006
Record last updated
Mar 7, 2023
Medicare enrollment
Enrolled (PECOS I20181231001404); 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.
Download card Updates feed

Also registered at 4053 Lone Tree Way Ste 200

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

  1. Sam Chitsaz, M.D.Cardiovascular Disease Physician1821364084
  2. Pascal Fuchshuber, MDSurgery Physician1295885002
  3. Vipul Gupta, MBBSInterventional Cardiology Physician1376781575
  4. Sabri Sen, M.D.Urology Physician1720043862
  5. Christopher Solis, M.D.Surgery Physician1295759355
  6. Edward Youn, DPMFoot & Ankle Surgery Podiatrist1235472754

Verify Brent Seiji Izu in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 1012919
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

43% fewer Medicare Part D claims than the average surgery physician in 2024

84 Medicare Part D claims for 48 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. 41 claims were for opioids.

  1. Brent Izu84
  2. Specialty average147

Most prescribed

  1. Oxycodone Hcl36 claims
  2. Ibuprofen18 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: $19.85

1 payment: food and beverage; the largest payer was Teleflex LLC. The 17,103 providers of this specialty with any payment received $3,513.80 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Brent Izu$19.85
  2. Specialty average$3,513.80

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 2 group practices

  1. Surgical Associates IncModesto, CA
  2. Sutter Bay Medical FoundationAntioch, CA

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

Brent Seiji Izu among 3,118 surgery physician records in California

Brent Seiji Izu, MD is one of 3,118 surgery physician records with a practice address in California. 75% 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, 55% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 61% of these records are
  • Graduated2004 · median 2003 among the 1,901 with a school on file
  • Record last updated2023 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208600000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Surgery Physician providers in California

There are 3,118 surgery physician records in California.

The 8 surgery physician records with the nearest ZIP codes

  1. Pascal Fuchshuber, MDAntioch, CA 945311295885002
  2. Tripurari Mishra, M.D.Antioch, CA 945311609213230
  3. Christopher Solis, M.D.Antioch, CA 945311295759355
  4. Courtney Chambers, M.D.Fairfield, CA 945331528154523
  5. William Fulton, D.O.Fairfield, CA 945331497831564
  6. Majid Kianmajd, DOFairfield, CA 945331396008389
  7. Robert Lanflisi, MDFairfield, CA 945331104811942
  8. John Zopfi, D.OFairfield, CA 945331275581886

Common questions

What is Brent Seiji Izu, MD's NPI number?

Brent Seiji Izu, MD's National Provider Identifier (NPI) is 1912004367, issued on Sep 20, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Brent Seiji Izu, MD located?

The NPPES record lists a practice address at 4053 Lone Tree Way Ste 200, Antioch, CA, 94531. Phone: (925) 776-7725. Providers update this record themselves, so call before visiting.

How can I verify Brent Seiji Izu, MD's license?

NPPES lists California license number 1012919, 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 Brent Seiji Izu, MD prescribe under Medicare Part D?

In 2024, Brent Seiji Izu, MD had 84 Medicare Part D claims for 48 beneficiaries; the average among surgery physician prescribers was 147. 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.