CHIAYI NI
NPI 1740686435
Nuclear Medicine - Nuclear Imaging & Therapy in Sylmar, CA
About Chiayi Ni NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CHIAYI NI (NPI 1740686435) is an individual nuclear imaging & therapy provider in Sylmar, California, licensed in California (A124678) and active in the NPI registry since November 2014. She is enrolled in Medicare PECOS.
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 (PECOS)
Chiayi Ni is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Chiayi Ni reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Sylmar, CA 91342
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: County Of Los Angeles
- 1,939 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 91342 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.
SYLMAR, CA 91342
SYLMAR, CA 91342
SYLMAR, CA 91342
SYLMAR, CA 91342
SYLMAR, CA 91342
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 Chiayi Ni's NPI number?
The NPI number for Chiayi Ni is 1740686435. It was assigned to this individual provider in the NPPES registry on November 7, 2014.
Where is Chiayi Ni located?
Chiayi Ni practices at 14445 Olive View Dr, Sylmar, CA 91342. The listed phone number is (747) 210-4094.
What is Chiayi Ni's specialty?
The primary specialty registered for this NPI is Nuclear Medicine, specializing in Nuclear Imaging & Therapy, with taxonomy code 207UN0902X.
Is Chiayi Ni enrolled in Medicare?
Yes. Chiayi Ni is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Chiayi Ni's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Chiayi Ni reassigns Medicare benefits to County Of Los Angeles Auditor Controller (Sylmar, 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 Chiayi Ni'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 Chiayi Ni was last updated on June 12, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Chiayi Ni · NPI 1740686435
Nuclear Imaging & Therapy physician in Sylmar, California. Individual provider, active in the CMS NPPES registry since November 7, 2014.
## Identity
- **NPI:** 1740686435 (Entity type: Individual)
- **Enumerated:** November 7, 2014
- **Primary specialty:** Nuclear Medicine - Nuclear Imaging & Therapy · taxonomy 207UN0902X
- **State license:** A124678 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 14445 OLIVE VIEW DR, Sylmar, CA 91342
- **Phone:** (747) 210-4094
## 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:** County Of Los Angeles Auditor Controller (NPI 1134159320, Sylmar, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** June 12, 2018
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Source: [NPI Profile](https://npiprofile.com/npi/1740686435) · Data from the CMS NPPES public registry.