BARBARA JILL BENZWI MD
NPI 1063512317
Family Medicine in Oakland, CA
About Barbara Jill Benzwi Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
BARBARA JILL BENZWI MD (NPI 1063512317) is an individual family medicine provider in Oakland, California, licensed in California (G60850) and active in the NPI registry since September 2006. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 6
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Barbara Jill Benzwi Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Barbara Benzwi reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Oakland, CA 94601
- Reassigned Medicare billing, California enrollment
- 187 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
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 94601 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 15
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Barbara Benzwi's NPI number?
The NPI number for Barbara Benzwi is 1063512317. It was assigned to this individual provider in the NPPES registry on September 25, 2006.
Where is Barbara Benzwi located?
Barbara Benzwi practices at 3451 E 12th Street, Oakland, CA 94601. The listed phone number is (510) 535-3319.
What is Barbara Benzwi's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Barbara Benzwi enrolled in Medicare?
Yes. Barbara Benzwi is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Barbara Benzwi's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Barbara Benzwi reassigns Medicare benefits to La Clinica De La Raza Inc (Oakland, 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 Barbara Benzwi'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 Barbara Benzwi was last updated on July 10, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.
# Barbara Jill Benzwi, MD · NPI 1063512317
Family Medicine physician in Oakland, California. Individual provider, active in the CMS NPPES registry since September 25, 2006.
## Identity
- **NPI:** 1063512317 (Entity type: Individual)
- **Enumerated:** September 25, 2006
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** G60850 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 3451 E 12TH STREET, Oakland, CA 94601
- **Phone:** (510) 535-3319 · **Fax:** (510) 535-4187
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** La Clinica De La Raza Inc (NPI 1144336181, Oakland, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** July 10, 2010
- **Other identifiers:** Other 55-1975 (CA); Other ZZZ79046Z (CA); Other ZZZ29799Z (CA); and 3 more
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Source: [NPI Profile](https://npiprofile.com/npi/1063512317) · Data from the CMS NPPES public registry.