DR. CATHERINE ZHU M.D.
NPI 1457705683
Colon & Rectal Surgery in Orange, CA
About Dr. Catherine Zhu M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. CATHERINE ZHU M.D. (NPI 1457705683) is an individual colon & rectal surgery provider in Orange, California, licensed in California (A153260) and active in the NPI registry since April 2016. She is enrolled in Medicare PECOS, maintains a secondary practice location in Los Angeles, and is a graduate of State University Of New York At Stony Brook, School Of Medicine (2016).
NPPES Registry Identity
Specialties & Licenses 3
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. Catherine Zhu M.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 Reassignment
Medicare enrollment records show Catherine Zhu reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Orange, CA 92868
- Reassigned Medicare billing, California enrollment
- 180 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 92868 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.
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 Catherine Zhu's NPI number?
The NPI number for Catherine Zhu is 1457705683. It was assigned to this individual provider in the NPPES registry on April 13, 2016.
Where is Catherine Zhu located?
Catherine Zhu practices at 101 The City Dr S, Orange, CA 92868. The listed phone number is (714) 456-8888.
What is Catherine Zhu's specialty?
The primary specialty registered for this NPI is Colon & Rectal Surgery with taxonomy code 208C00000X.
Is Catherine Zhu enrolled in Medicare?
Yes. Catherine Zhu 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 Catherine Zhu's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Catherine Zhu reassigns Medicare benefits to University Surgeons Of Orange A Medical Group (Orange, 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 Catherine Zhu'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 Catherine Zhu was last updated on September 27, 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.
# Dr. Catherine Zhu, M.D. · NPI 1457705683
Colon & Rectal Surgery physician in Orange, California. Individual provider, active in the CMS NPPES registry since April 13, 2016.
## Identity
- **NPI:** 1457705683 (Entity type: Individual)
- **Enumerated:** April 13, 2016
- **Primary specialty:** Colon & Rectal Surgery · taxonomy 208C00000X
- **State license:** A153260 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 101 THE CITY DR S, Orange, CA 92868-3201
- **Phone:** (714) 456-8888
## 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:** University Surgeons Of Orange A Medical Group (NPI 1407806904, Orange, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** State University Of New York At Stony Brook, School Of Medicine, class of 2016
## Record status
- **NPPES last updated:** September 27, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1457705683) · Data from the CMS NPPES public registry.