DR. BRIAN H TAMURA M.D.
NPI 1720080682
Family Medicine in Oxnard, CA
About Dr. Brian H Tamura M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. BRIAN H TAMURA M.D. (NPI 1720080682) is an individual family medicine provider in Oxnard, California, licensed in California (G14936) and active in the NPI registry since August 2005. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Brian H Tamura M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Brian Tamura reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Ventura, CA 93003
- Reassigned Medicare billing, California enrollment
- 61 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 93030 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 2
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 7
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
OXNARD, CA 93030
OXNARD, CA 93030
OXNARD, CA 93030
OXNARD, CA 93030
OXNARD, CA 93030
OXNARD, CA 93030
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 Brian Tamura's NPI number?
The NPI number for Brian Tamura is 1720080682. It was assigned to this individual provider in the NPPES registry on August 11, 2005.
Where is Brian Tamura located?
Brian Tamura practices at 1100 N Ventura Rd Suite 105, Oxnard, CA 93030. The listed phone number is (805) 983-0897.
What is Brian Tamura's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Brian Tamura enrolled in Medicare?
Yes. Brian Tamura is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Brian Tamura's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Brian Tamura reassigns Medicare benefits to Primary Medical Group Of Ventura County Inc (Ventura, CA). The 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 Brian Tamura's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Brian Tamura was last updated on September 29, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 years 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.