LETITIA WEI LI MD
NPI 1467039511
Emergency Medicine in Pleasanton, CA
About Letitia Wei Li Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LETITIA WEI LI MD (NPI 1467039511) is an individual emergency medicine provider in Pleasanton, California, licensed in California (A193876) and active in the NPI registry since March 2021. She is enrolled in Medicare PECOS and is a graduate of Icahn School Of Medicine At Mount Sinai (2021).
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
Letitia Wei Li 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 Letitia Li reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Pleasanton, CA 94588
- Reassigned Medicare billing, California enrollment
- 50 clinicians in this Medicare group
Redwood City, CA 94063
- Reassigned Medicare billing, California enrollment
- 20,078 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 94588 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.
PLEASANTON, CA 94588
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 Letitia Li's NPI number?
The NPI number for Letitia Li is 1467039511. It was assigned to this individual provider in the NPPES registry on March 25, 2021.
Where is Letitia Li located?
Letitia Li practices at 5555 W Las Positas Blvd, Pleasanton, CA 94588. The listed phone number is (844) 301-0805.
What is Letitia Li's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Letitia Li enrolled in Medicare?
Yes. Letitia Li 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 Letitia Li's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Letitia Li reassigns Medicare benefits to 2 organizations: Pleasanton Emergency Medical Group (Pleasanton, CA) and Permanente Medical Group Inc (Redwood City, 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 Letitia Li'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 Letitia Li was last updated on June 18, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.
# Letitia Wei Li, MD · NPI 1467039511
Emergency Medicine physician in Pleasanton, California. Individual provider, active in the CMS NPPES registry since March 25, 2021.
## Identity
- **NPI:** 1467039511 (Entity type: Individual)
- **Enumerated:** March 25, 2021
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** A193876 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 5555 W LAS POSITAS BLVD, Pleasanton, CA 94588-4000
- **Phone:** (844) 301-0805
## 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): Pleasanton Emergency Medical Group (NPI 1285625509, Pleasanton, CA); Permanente Medical Group Inc (NPI 1639252604, Redwood City, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Icahn School Of Medicine At Mount Sinai, class of 2021
## Record status
- **NPPES last updated:** June 18, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1467039511) · Data from the CMS NPPES public registry.