DR. CHIH-SHENG JASON CHIANG M.D., PH.D.
NPI 1295198638
Radiology - Vascular & Interventional Radiology in Los Angeles, CA
About Dr. Chih-sheng Jason Chiang M.d., Ph.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. CHIH-SHENG JASON CHIANG M.D., PH.D. (NPI 1295198638) is an individual vascular & interventional radiology provider in Los Angeles, California, licensed in California (A151183) and active in the NPI registry since April 2016. He is enrolled in Medicare PECOS and is a graduate of University Of Wisconsin School Of Medicine (2016).
NPPES Registry Identity
Specialties & Licenses 3
Other Names 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
Dr. Chih-sheng Jason Chiang M.d., Ph.d. 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 Reassignments
3Medicare enrollment records show Chih-sheng Chiang reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Los Angeles, CA 90095
- Reassigned Medicare billing, California enrollment
- 240 clinicians in this Medicare group
Glendale, CA 91201
- Reassigned Medicare billing, California enrollment
- 273 clinicians in this Medicare group
Los Angeles, CA 90059
- Reassigned Medicare billing, California enrollment
- 554 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.
Areas of Expertise CMS Part B claims 31
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 90095 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
LOS ANGELES, CA 90095
LOS ANGELES, CA 90095
LOS ANGELES, CA 90095
LOS ANGELES, CA 90095
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 Chih-sheng Chiang's NPI number?
The NPI number for Chih-sheng Chiang is 1295198638. It was assigned to this individual provider in the NPPES registry on April 2, 2016. The provider is also known as Jason Chiang MD., Phd..
Where is Chih-sheng Chiang located?
Chih-sheng Chiang practices at 757 Westwood Plz, Los Angeles, CA 90095. The listed phone number is (310) 301-6800.
What is Chih-sheng Chiang's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Vascular & Interventional Radiology, with taxonomy code 2085R0204X.
Is Chih-sheng Chiang enrolled in Medicare?
Yes. Chih-sheng Chiang 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 organizations bill Medicare for Chih-sheng Chiang's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Chih-sheng Chiang reassigns Medicare benefits to 3 organizations: Ucla Radiology Medical Group (Los Angeles, CA), Regents Of The University Of California (Glendale, CA) and Martin Luther King Jr Community Medical Foundation (Los Angeles, CA). Each 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 Chih-sheng Chiang'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 Chih-sheng Chiang was last updated on July 15, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.