DR. KATHERINE L CHIU MD, MBA
NPI 1215254552
Anesthesiology in Orange, CA
About Dr. Katherine L Chiu Md, Mba NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. KATHERINE L CHIU MD, MBA (NPI 1215254552) is an individual anesthesiology provider in Orange, California, licensed in California (A131142) and active in the NPI registry since April 2010. She is enrolled in Medicare PECOS, maintains a secondary practice location in Los Angeles, and is a graduate of Other (2009).
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
Dr. Katherine L Chiu Md, Mba 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
4Medicare enrollment records show Katherine Chiu reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Orange, CA 92868
- Reassigned Medicare billing, California enrollment
- 420 clinicians in this Medicare group
Anaheim, CA 92807
- Reassigned Medicare billing, California enrollment
- 13,921 clinicians in this Medicare group
Los Angeles, CA 90027
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: Childrens Hospital Los Angeles Medical Group Inc
- 1,281 clinicians in this Medicare group
Tarzana, CA 91356
- Reassigned Medicare billing, California enrollment
- 26 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.
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.
ORANGE, CA 92868
ORANGE, CA 92868
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 Katherine Chiu's NPI number?
The NPI number for Katherine Chiu is 1215254552. It was assigned to this individual provider in the NPPES registry on April 27, 2010.
Where is Katherine Chiu located?
Katherine Chiu practices at 101 The City Dr S, Orange, CA 92868. The listed phone number is (714) 880-7812.
What is Katherine Chiu's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Katherine Chiu enrolled in Medicare?
Yes. Katherine Chiu 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 Katherine Chiu's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Katherine Chiu reassigns Medicare benefits to 4 organizations: Regents Of The University Of (Orange, CA), Southern California Permanente Medical Group (Anaheim, CA), Children's Hospital Los Angeles Medical Group, Inc. (Los Angeles, CA) and Tarzana Anesthesia Medical Group, Inc. (Tarzana, 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 Katherine Chiu'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 Katherine Chiu was last updated on January 13, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Dr. Katherine L Chiu, MD, MBA · NPI 1215254552
Anesthesiology physician in Orange, California. Individual provider, active in the CMS NPPES registry since April 27, 2010.
## Identity
- **NPI:** 1215254552 (Entity type: Individual)
- **Enumerated:** April 27, 2010
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** A131142 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 101 THE CITY DR S, Orange, CA 92868-3201
- **Phone:** (714) 880-7812
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Regents Of The University Of (NPI 1487602546, Orange, CA); Southern California Permanente Medical Group (NPI 1952333460, Anaheim, CA); Children's Hospital Los Angeles Medical Group, Inc. (NPI 1265530653, Los Angeles, CA); Tarzana Anesthesia Medical Group, Inc. (NPI 1508897463, Tarzana, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2009
## Record status
- **NPPES last updated:** January 13, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1215254552) · Data from the CMS NPPES public registry.