DR. JUDY JU-YI CHEN M.D.
NPI 1265875611
Ophthalmology - Retina Specialist in San Francisco, CA
About Dr. Judy Ju-yi Chen M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JUDY JU-YI CHEN M.D. (NPI 1265875611) is an individual retina specialist in San Francisco, California, licensed in California (A141948) and active in the NPI registry since April 2013. She is enrolled in Medicare PECOS, maintains 4 additional practice locations, and is a graduate of University Of Chicago, Pritzker School Of Medicine (2012).
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
Secondary Practice Locations 4
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. Judy Ju-yi Chen 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 Reassignments
2Medicare enrollment records show Judy Chen reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Francisco, CA 94109
- Reassigned Medicare billing, California enrollment
- 8 clinicians in this Medicare group
Alameda, CA 94501
- Reassigned Medicare billing, California enrollment
- 900 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 12
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 94109 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 15
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAN FRANCISCO, CA 94109
SAN FRANCISCO, CA 94109
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 Judy Chen's NPI number?
The NPI number for Judy Chen is 1265875611. It was assigned to this individual provider in the NPPES registry on April 15, 2013. The provider is also known as Ju-Yi Chen.
Where is Judy Chen located?
Judy Chen practices at 1445 Bush St, San Francisco, CA 94109. The listed phone number is (415) 972-4600.
What is Judy Chen's specialty?
The primary specialty registered for this NPI is Ophthalmology, specializing in Retina Specialist, with taxonomy code 207WX0107X.
Is Judy Chen enrolled in Medicare?
Yes. Judy Chen 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 Judy Chen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Judy Chen reassigns Medicare benefits to 2 organizations: West Coast Retina Medical Group, Inc. (San Francisco, CA) and Alameda Health System (Alameda, 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 Judy Chen'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 Judy Chen was last updated on August 21, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.