DR. BRENT SEIJI IZU MD
NPI 1912004367
Surgery in Antioch, CA
About Dr. Brent Seiji Izu Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. BRENT SEIJI IZU MD (NPI 1912004367) is an individual surgery provider in Antioch, California, licensed in California (1012919) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS, maintains a secondary practice location in Modesto, and is a graduate of Other (2004).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Brent Seiji Izu Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
3Medicare enrollment records show Brent Izu reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Orinda, CA 94563
- Reassigned Medicare billing, California enrollment
- 4,479 clinicians in this Medicare group
Fairfield, CA 94534
- Reassigned Medicare billing, California enrollment
- 3,056 clinicians in this Medicare group
Modesto, CA 95355
- Reassigned Medicare billing, California enrollment
- 34 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 9
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94531 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 6
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ANTIOCH, CA 94531
ANTIOCH, CA 94531
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Brent Izu's NPI number?
The NPI number for Brent Izu is 1912004367. It was assigned to this individual provider in the NPPES registry on September 20, 2006.
Where is Brent Izu located?
Brent Izu practices at 4053 Lone Tree Way Ste 200, Antioch, CA 94531. The listed phone number is (925) 776-7725.
What is Brent Izu's specialty?
The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.
Is Brent Izu enrolled in Medicare?
Yes. Brent Izu is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Brent Izu's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Brent Izu reassigns Medicare benefits to 3 organizations: Sutter Bay Medical Foundation (Orinda, CA), Sutter Valley Medical Foundation (Fairfield, CA) and Surgical Associates Inc (Modesto, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Brent Izu's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Brent Izu accept?
Health plans from University of Utah Health Plans list Brent Izu as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Brent Izu was last updated on August 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Brent Seiji Izu, MD · NPI 1912004367
Surgery physician in Antioch, California. Individual provider, active in the CMS NPPES registry since September 20, 2006.
## Identity
- **NPI:** 1912004367 (Entity type: Individual)
- **Enumerated:** September 20, 2006
- **Primary specialty:** Surgery · taxonomy 208600000X
- **State license:** 1012919 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 4053 LONE TREE WAY STE 200, Antioch, CA 94531-6210
- **Phone:** (925) 776-7725
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Sutter Bay Medical Foundation (NPI 1366898538, Orinda, CA); Sutter Valley Medical Foundation (NPI 1184859894, Fairfield, CA); Surgical Associates Inc (NPI 1366824161, Modesto, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2004
## Record status
- **NPPES last updated:** August 18, 2026
- **Other identifiers:** Other C156246 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1912004367) · Data from the CMS NPPES public registry.