YONG SOOK LYNDA LEE MD
NPI 1497839864
Internal Medicine - Rheumatology in Campbell, CA
About Yong Sook Lynda Lee Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
YONG SOOK LYNDA LEE MD (NPI 1497839864) is an individual rheumatology provider in Campbell, California, licensed in California (G64264) and active in the NPI registry since October 2006. She is enrolled in Medicare PECOS and is a graduate of Northeastern Ohio University College Of Medicine (1987).
NPPES Registry Identity
Specialties & Licenses 2
Other Names 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
Yong Sook Lynda Lee Md 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 Yong Lee reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Stanford, CA 94305
- Reassigned Medicare billing, California enrollment
- 4,258 clinicians in this Medicare group
Newark, CA 94560
- Reassigned Medicare billing, California enrollment
- 435 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 9
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 95008 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 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CAMPBELL, CA 95008
CAMPBELL, CA 95008
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 Yong Lee's NPI number?
The NPI number for Yong Lee is 1497839864. It was assigned to this individual provider in the NPPES registry on October 24, 2006. The provider is also known as Y S Lynda Lee MD.
Where is Yong Lee located?
Yong Lee practices at 50 E Hamilton Ave Ste 200, Campbell, CA 95008. The listed phone number is (408) 866-1135.
What is Yong Lee's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.
Is Yong Lee enrolled in Medicare?
Yes. Yong Lee 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 Yong Lee's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Yong Lee reassigns Medicare benefits to 2 organizations: Stanford Health Care (Stanford, CA) and University Healthcare Alliance (Newark, 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 Yong Lee'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 Yong Lee was last updated on April 25, 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.
# Yong Sook Lynda Lee, MD · NPI 1497839864
Rheumatology physician in Campbell, California. Individual provider, active in the CMS NPPES registry since October 24, 2006.
## Identity
- **NPI:** 1497839864 (Entity type: Individual)
- **Enumerated:** October 24, 2006
- **Primary specialty:** Internal Medicine - Rheumatology · taxonomy 207RR0500X
- **State license:** G64264 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 50 E HAMILTON AVE STE 200, Campbell, CA 95008-0251
- **Phone:** (408) 866-1135
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Stanford Health Care (NPI 1437292927, Stanford, CA); University Healthcare Alliance (NPI 1760531198, Newark, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Northeastern Ohio University College Of Medicine, class of 1987
## Record status
- **NPPES last updated:** April 25, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1497839864) · Data from the CMS NPPES public registry.