CHRISTINE XU MD
NPI 1184374100
Ophthalmology in Sacramento, CA
About Christine Xu Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CHRISTINE XU MD (NPI 1184374100) is an individual ophthalmology provider in Sacramento, California, licensed in California (A191082) and active in the NPI registry since March 2022. She is enrolled in Medicare PECOS and is a graduate of Harvard Medical School (2022).
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)
Christine Xu Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Christine Xu reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
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
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 95817 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.
SACRAMENTO, CA 95817
SACRAMENTO, CA 95817
SACRAMENTO, CA 95817
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 Christine Xu's NPI number?
The NPI number for Christine Xu is 1184374100. It was assigned to this individual provider in the NPPES registry on March 24, 2022.
Where is Christine Xu located?
Christine Xu practices at 4860 Y St, Sacramento, CA 95817. The listed phone number is (916) 734-6602.
What is Christine Xu's specialty?
The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.
Is Christine Xu enrolled in Medicare?
Yes. Christine Xu is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Christine Xu's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Christine Xu reassigns Medicare benefits to Children's Hospital Los Angeles Medical Group, Inc. (Los Angeles, 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 Christine Xu'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 Christine Xu was last updated on July 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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.
# Christine Xu, MD · NPI 1184374100
Ophthalmology physician in Sacramento, California. Individual provider, active in the CMS NPPES registry since March 24, 2022.
## Identity
- **NPI:** 1184374100 (Entity type: Individual)
- **Enumerated:** March 24, 2022
- **Primary specialty:** Ophthalmology · taxonomy 207W00000X
- **State license:** A191082 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 4860 Y ST, Sacramento, CA 95817-2307
- **Phone:** (916) 734-6602
## 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:** Children's Hospital Los Angeles Medical Group, Inc. (NPI 1265530653, Los Angeles, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Harvard Medical School, class of 2022
## Record status
- **NPPES last updated:** July 14, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1184374100) · Data from the CMS NPPES public registry.