DR. RAU VAN BUI MD
NPI 1891808804
Family Medicine in San Jose, CA
About Dr. Rau Van Bui Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. RAU VAN BUI MD (NPI 1891808804) is an individual family medicine provider in San Jose, California, licensed in California (A035749) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1972).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
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 and accepts Medicare assignment
Dr. Rau Van Bui 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 Reassignment
Medicare enrollment records show Rau Bui reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
San Jose, CA 95122
- Reassigned Medicare billing, California enrollment
- 2 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 95112 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES
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 Rau Bui's NPI number?
The NPI number for Rau Bui is 1891808804. It was assigned to this individual provider in the NPPES registry on August 16, 2006. The provider is also known as Dr. Rau Van Bui MD.
Where is Rau Bui located?
Rau Bui practices at 27 S 13th St, San Jose, CA 95112. The listed phone number is (408) 298-6706.
What is Rau Bui's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Rau Bui enrolled in Medicare?
Yes. Rau Bui 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 organization bills Medicare for Rau Bui's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Rau Bui reassigns Medicare benefits to Valley Advantage Medical Group Inc (San Jose, 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 Rau Bui'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 Rau Bui was last updated on April 22, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.
# Dr. Rau Van Bui, MD · NPI 1891808804
Family Medicine physician in San Jose, California. Individual provider, active in the CMS NPPES registry since August 16, 2006.
## Identity
- **NPI:** 1891808804 (Entity type: Individual)
- **Enumerated:** August 16, 2006
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** A035749 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 27 S 13TH ST, San Jose, CA 95112-2022
- **Phone:** (408) 298-6706 · **Fax:** (408) 971-2696
## 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:** Valley Advantage Medical Group Inc (NPI 1215445291, San Jose, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1972
## Record status
- **NPPES last updated:** April 22, 2011
- **Other identifiers:** Medicare UPIN A27895 (CA); Medicare ID-Type Unspecified 00357490 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1891808804) · Data from the CMS NPPES public registry.