MS. CHRISTINE Y YU DO
NPI 1730440744
Family Medicine in Hacienda Heights, CA
About Ms. Christine Y Yu Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. CHRISTINE Y YU DO (NPI 1730440744) is an individual family medicine provider in Hacienda Heights, California, licensed in California (20A14969) and active in the NPI registry since June 2012. She is enrolled in Medicare PECOS and is a graduate of College Of Osteo Med Of The Pacific At Pomona (2012).
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
Ms. Christine Y Yu Do 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 Christine Yu reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Anaheim, CA 92801
- Reassigned Medicare billing, California enrollment
- 255 clinicians in this Medicare group
Orange, CA 92868
- Reassigned Medicare billing, California enrollment
- 114 clinicians in this Medicare group
Fountain Valley, CA 92708
- Reassigned Medicare billing, California enrollment
- 948 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
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 91745 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Yu's NPI number?
The NPI number for Christine Yu is 1730440744. It was assigned to this individual provider in the NPPES registry on June 6, 2012.
Where is Christine Yu located?
Christine Yu practices at 1850 S. Azusa Ave Suite 205, Hacienda Heights, CA 91745. The listed phone number is (626) 964-2880.
What is Christine Yu's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Christine Yu enrolled in Medicare?
Yes. Christine Yu 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 Christine Yu's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Christine Yu reassigns Medicare benefits to 3 organizations: University Of California Irvine (Anaheim, CA), Regents Of The University Of (Orange, CA) and Memorialcare Medical Foundation (Fountain Valley, 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 Christine Yu'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 Yu was last updated on February 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Ms. Christine Y Yu, DO · NPI 1730440744
Family Medicine physician in Hacienda Heights, California. Individual provider, active in the CMS NPPES registry since June 6, 2012.
## Identity
- **NPI:** 1730440744 (Entity type: Individual)
- **Enumerated:** June 6, 2012
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** 20A14969 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1850 S. AZUSA AVE, SUITE 205, Hacienda Heights, CA 91745
- **Phone:** (626) 964-2880
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): University Of California Irvine (NPI 1598790529, Anaheim, CA); Regents Of The University Of (NPI 1366590762, Orange, CA); Memorialcare Medical Foundation (NPI 1205167350, Fountain Valley, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** College Of Osteo Med Of The Pacific At Pomona, class of 2012
## Record status
- **NPPES last updated:** February 26, 2026
---
Source: [NPI Profile](https://npiprofile.com/npi/1730440744) · Data from the CMS NPPES public registry.