REGAN M. YAU MD
NPI 1114006244
Internal Medicine in Milpitas, CA
About Regan M. Yau Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
REGAN M. YAU MD (NPI 1114006244) is an individual internal medicine provider in Milpitas, California, licensed in California (A78987) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS and is a graduate of Boston University School Of Medicine (2000).
NPPES Registry Identity
Specialties & Licenses
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
Regan M. Yau 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 Regan Yau reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Santa Clara, CA 95051
- Reassigned Medicare billing, California enrollment
- 20,078 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 95035 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MILPITAS, CA 95035
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 Regan Yau's NPI number?
The NPI number for Regan Yau is 1114006244. It was assigned to this individual provider in the NPPES registry on November 2, 2006.
Where is Regan Yau located?
Regan Yau practices at 770 E Calaveras Blvd, Milpitas, CA 95035. The listed phone number is (650) 945-2900.
What is Regan Yau's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Regan Yau enrolled in Medicare?
Yes. Regan Yau 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 Regan Yau's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Regan Yau reassigns Medicare benefits to Permanente Medical Group Inc (Santa Clara, 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 Regan Yau'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 Regan Yau was last updated on December 9, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Regan M. Yau, MD · NPI 1114006244
Internal Medicine physician in Milpitas, California. Individual provider, active in the CMS NPPES registry since November 2, 2006.
## Identity
- **NPI:** 1114006244 (Entity type: Individual)
- **Enumerated:** November 2, 2006
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** A78987 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 770 E CALAVERAS BLVD, Milpitas, CA 95035-5491
- **Phone:** (650) 945-2900
## 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:** Permanente Medical Group Inc (NPI 1073606299, Santa Clara, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Boston University School Of Medicine, class of 2000
## Record status
- **NPPES last updated:** December 9, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1114006244) · Data from the CMS NPPES public registry.