DR. KELVIN K SHIU D.O.
NPI 1073719381
Internal Medicine - Critical Care Medicine in Walnut Creek, CA
About Dr. Kelvin K Shiu D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. KELVIN K SHIU D.O. (NPI 1073719381) is an individual critical care medicine provider in Walnut Creek, California, licensed in New York (228514) and active in the NPI registry since June 2007. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 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. Kelvin K Shiu D.o. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Kelvin Shiu reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Richmond, CA 94801
- 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 94596 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.
WALNUT CREEK, CA 94596
WALNUT CREEK, CA 94596
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 Kelvin Shiu's NPI number?
The NPI number for Kelvin Shiu is 1073719381. It was assigned to this individual provider in the NPPES registry on June 23, 2007.
Where is Kelvin Shiu located?
Kelvin Shiu practices at 1425 S Main St, Walnut Creek, CA 94596. The listed phone number is (925) 295-4000.
What is Kelvin Shiu's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.
Is Kelvin Shiu enrolled in Medicare?
Yes. Kelvin Shiu is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Kelvin Shiu's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kelvin Shiu reassigns Medicare benefits to Permanente Medical Group Inc (Richmond, 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 Kelvin Shiu'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 Kelvin Shiu was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.