DR. UYEN TU LY MD
NPI 1700889128
Family Medicine in San Diego, CA
About Dr. Uyen Tu Ly Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. UYEN TU LY MD (NPI 1700889128) is an individual family medicine provider in San Diego, California, licensed in California (A76278) and active in the NPI registry since May 2005. She is enrolled in Medicare PECOS, maintains a secondary practice location in Santa Rosa, and is a graduate of University Of Washington School Of Medicine (2000).
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
Dr. Uyen Tu Ly 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 Uyen Ly reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Santa Clara, CA 95051
- Reassigned Medicare billing, California enrollment
- 20,078 clinicians in this Medicare group
Santa Rosa, CA 95407
- Reassigned Medicare billing, California enrollment
- 215 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 92113 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.
SAN DIEGO, CA 92113
SAN DIEGO, CA 92113
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 Uyen Ly's NPI number?
The NPI number for Uyen Ly is 1700889128. It was assigned to this individual provider in the NPPES registry on May 31, 2005.
Where is Uyen Ly located?
Uyen Ly practices at 1809 National Ave, San Diego, CA 92113. The listed phone number is (619) 515-2300.
What is Uyen Ly's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Uyen Ly enrolled in Medicare?
Yes. Uyen Ly 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 Uyen Ly's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Uyen Ly reassigns Medicare benefits to 2 organizations: Permanente Medical Group Inc (Santa Clara, CA) and Santa Rosa Community Health Centers (Santa Rosa, 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 Uyen Ly'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 Uyen Ly was last updated on October 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 days 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.
# Dr. Uyen Tu Ly, MD · NPI 1700889128
Family Medicine physician in San Diego, California. Individual provider, active in the CMS NPPES registry since May 31, 2005.
## Identity
- **NPI:** 1700889128 (Entity type: Individual)
- **Enumerated:** May 31, 2005
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** A76278 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1809 NATIONAL AVE, San Diego, CA 92113-2113
- **Phone:** (619) 515-2300
## 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): Permanente Medical Group Inc (NPI 1073606299, Santa Clara, CA); Santa Rosa Community Health Centers (NPI 1871651273, Santa Rosa, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Washington School Of Medicine, class of 2000
## Record status
- **NPPES last updated:** October 27, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1700889128) · Data from the CMS NPPES public registry.