CHESTER KEVIN BAI MD
NPI 1801109871
Radiology - Diagnostic Radiology in Los Angeles, CA
About Chester Kevin Bai Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CHESTER KEVIN BAI MD (NPI 1801109871) is an individual diagnostic radiology provider in Los Angeles, California, licensed in California (A120741) and active in the NPI registry since July 2010. He is enrolled in Medicare PECOS and is a graduate of University Of California, San Diego School Of Medicine (2010).
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 and accepts Medicare assignment
Chester Kevin Bai 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 Reassignments
2Medicare enrollment records show Chester Bai reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Los Angeles, CA 90063
- Reassigned Medicare billing, California enrollment
- 1,939 clinicians in this Medicare group
Los Angeles, CA 90041
- Reassigned Medicare billing, California enrollment
- Also billed through NPI 1396287082 (California)
- 13,921 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 4
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 90033 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.
LOS ANGELES, CA 90033
LOS ANGELES, CA 90033
LOS ANGELES, CA 90033
LOS ANGELES, CA 90033
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 Chester Bai's NPI number?
The NPI number for Chester Bai is 1801109871. It was assigned to this individual provider in the NPPES registry on July 20, 2010.
Where is Chester Bai located?
Chester Bai practices at 1500 San Pablo St 2nd Floor, Los Angeles, CA 90033. The listed phone number is (323) 442-8541.
What is Chester Bai's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Chester Bai enrolled in Medicare?
Yes. Chester Bai 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 Chester Bai's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Chester Bai reassigns Medicare benefits to 2 organizations: County Of Los Angeles (Los Angeles, CA) and Southern California Permanente Medical Group (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 Chester Bai'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 Chester Bai was last updated on November 29, 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.
# Chester Kevin Bai, MD · NPI 1801109871
Diagnostic Radiology physician in Los Angeles, California. Individual provider, active in the CMS NPPES registry since July 20, 2010.
## Identity
- **NPI:** 1801109871 (Entity type: Individual)
- **Enumerated:** July 20, 2010
- **Primary specialty:** Radiology - Diagnostic Radiology · taxonomy 2085R0202X
- **State license:** A120741 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1500 SAN PABLO ST, 2ND FLOOR, Los Angeles, CA 90033-5313
- **Phone:** (323) 442-8541 · **Fax:** (323) 442-8755
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): County Of Los Angeles (NPI 1679061592, Los Angeles, CA); Southern California Permanente Medical Group (NPI 1013409044, Los Angeles, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of California, San Diego School Of Medicine, class of 2010
## Record status
- **NPPES last updated:** November 29, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1801109871) · Data from the CMS NPPES public registry.