EVAN CHUA
NPI 1437719358
Emergency Medicine in Walnut Creek, CA
About Evan Chua NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
EVAN CHUA (NPI 1437719358) is an individual emergency medicine provider in Walnut Creek, California, licensed in California (A193905) and active in the NPI registry since June 2019. He is enrolled in Medicare PECOS, maintains a secondary practice location in Riverside, and is a graduate of University Of California, Davis School Of Medicine (2021).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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
Evan Chua 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 Evan Chua 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 Evan Chua's NPI number?
The NPI number for Evan Chua is 1437719358. It was assigned to this individual provider in the NPPES registry on June 13, 2019.
Where is Evan Chua located?
Evan Chua practices at 1425 S Main St, Walnut Creek, CA 94596. The listed phone number is (925) 295-4000.
What is Evan Chua's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Evan Chua enrolled in Medicare?
Yes. Evan Chua 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 Evan Chua's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Evan Chua 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 Evan Chua'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 Evan Chua was last updated on August 30, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Evan Chua · NPI 1437719358
Emergency Medicine physician in Walnut Creek, California. Individual provider, active in the CMS NPPES registry since June 13, 2019.
## Identity
- **NPI:** 1437719358 (Entity type: Individual)
- **Enumerated:** June 13, 2019
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** A193905 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1425 S MAIN ST, Walnut Creek, CA 94596-5318
- **Phone:** (925) 295-4000
## 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 1235226531, Richmond, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of California, Davis School Of Medicine, class of 2021
## Record status
- **NPPES last updated:** August 30, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1437719358) · Data from the CMS NPPES public registry.