MR. WEIER LIU MD
NPI 1265096515
Family Medicine in Napa, CA
About Mr. Weier Liu Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. WEIER LIU MD (NPI 1265096515) is an individual family medicine provider in Napa, California, licensed in California (A176631) and active in the NPI registry since April 2019. He is enrolled in Medicare PECOS and is a graduate of Other (2019).
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
Mr. Weier Liu 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 Reassignment
Medicare enrollment records show Weier Liu reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Vallejo, CA 94589
- 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 94558 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.
NAPA, CA 94558
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 Weier Liu's NPI number?
The NPI number for Weier Liu is 1265096515. It was assigned to this individual provider in the NPPES registry on April 23, 2019.
Where is Weier Liu located?
Weier Liu practices at 3285 Claremont Way, Napa, CA 94558. The listed phone number is (707) 258-2500.
What is Weier Liu's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Weier Liu enrolled in Medicare?
Yes. Weier Liu 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 organization bills Medicare for Weier Liu's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Weier Liu reassigns Medicare benefits to Permanente Medical Group Inc (Vallejo, CA). The 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 Weier Liu'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 Weier Liu was last updated on July 18, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Mr. Weier Liu, MD · NPI 1265096515
Family Medicine physician in Napa, California. Individual provider, active in the CMS NPPES registry since April 23, 2019.
## Identity
- **NPI:** 1265096515 (Entity type: Individual)
- **Enumerated:** April 23, 2019
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** A176631 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 3285 CLAREMONT WAY, Napa, CA 94558-3313
- **Phone:** (707) 258-2500
## 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:** Permanente Medical Group Inc (NPI 1336222397, Vallejo, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2019
## Record status
- **NPPES last updated:** July 18, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1265096515) · Data from the CMS NPPES public registry.