LYDIA YUN
NPI 1407201395
Podiatrist - Foot & Ankle Surgery in Los Gatos, CA
About Lydia Yun NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LYDIA YUN (NPI 1407201395) is an individual foot & ankle surgery provider in Los Gatos, California, licensed in California (1407201395) and active in the NPI registry since April 2016. She is enrolled in Medicare PECOS, maintains a secondary practice location in Anaheim, and is a graduate of California School Of Podiatric Medicine (2016).
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
Lydia Yun 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
6Medicare enrollment records show Lydia Yun reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Los Gatos, CA 95032
- Reassigned Medicare billing, California enrollment
- 4 clinicians in this Medicare group
San Ramon, CA 94583
- Reassigned Medicare billing, California enrollment
- 55 clinicians in this Medicare group
Walnut Creek, CA 94598
- Reassigned Medicare billing, California enrollment
- 27 clinicians in this Medicare group
Walnut Creek, CA 94598
- Reassigned Medicare billing, California enrollment
- 810 clinicians in this Medicare group
Concord, CA 94520
- Reassigned Medicare billing, California enrollment
- 530 clinicians in this Medicare group
Antioch, CA 94509
- Reassigned Medicare billing, California enrollment
- 13 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 17
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.
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
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Lydia Yun's NPI number?
The NPI number for Lydia Yun is 1407201395. It was assigned to this individual provider in the NPPES registry on April 28, 2016.
Where is Lydia Yun located?
Lydia Yun practices at 14651 S Bascom Ave Ste 215, Los Gatos, CA 95032. The listed phone number is (408) 358-2250.
What is Lydia Yun's specialty?
The primary specialty registered for this NPI is Podiatrist, specializing in Foot & Ankle Surgery, with taxonomy code 213ES0103X.
Is Lydia Yun enrolled in Medicare?
Yes. Lydia Yun 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 Lydia Yun's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Lydia Yun reassigns Medicare benefits to 6 organizations: Los Gatos Podiatry Group, Inc. (Los Gatos, CA), Cep America - Auc PC (San Ramon, CA), Medamerica Physician Solutions PC (Walnut Creek, CA), John Muir Trauma Physicians Billing Service (Walnut Creek, CA), Contra Costa County (Concord, CA) and 1 more organization, listed in the Medicare section above. 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 Lydia Yun'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 Lydia Yun was last updated on September 9, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.