VIRGINIA Y LIEU MD
NPI 1063945962
Orthopaedic Surgery - Orthopaedic Trauma in Castro Valley, CA
About Virginia Y Lieu Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
VIRGINIA Y LIEU MD (NPI 1063945962) is an individual orthopaedic trauma provider in Castro Valley, California, licensed in California (A158873) and active in the NPI registry since April 2017. She is enrolled in Medicare PECOS, maintains 3 additional practice locations, and is a graduate of Other (2017).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 3
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
Virginia Y Lieu 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
4Medicare enrollment records show Virginia Lieu reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Castro Valley, CA 94546
- Reassigned Medicare billing, California enrollment
- 347 clinicians in this Medicare group
San Leandro, CA 94578
- Reassigned Medicare billing, California enrollment
- 900 clinicians in this Medicare group
Orinda, CA 94563
- Reassigned Medicare billing, California enrollment
- 4,479 clinicians in this Medicare group
Carmichael, CA 95608
- Reassigned Medicare billing, California enrollment
- 24 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 5
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.
Other Providers at the Same Location NPPES 8
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CASTRO VALLEY, CA 94546
CASTRO VALLEY, CA 94546
CASTRO VALLEY, CA 94546
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 Virginia Lieu's NPI number?
The NPI number for Virginia Lieu is 1063945962. It was assigned to this individual provider in the NPPES registry on April 7, 2017.
Where is Virginia Lieu located?
Virginia Lieu practices at 19842 Lake Chabot Rd, Castro Valley, CA 94546. The listed phone number is (510) 750-1967.
What is Virginia Lieu's specialty?
The primary specialty registered for this NPI is Orthopaedic Surgery, specializing in Orthopaedic Trauma, with taxonomy code 207XX0801X.
Is Virginia Lieu enrolled in Medicare?
Yes. Virginia Lieu 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 Virginia Lieu's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Virginia Lieu reassigns Medicare benefits to 4 organizations: Bass Medical Group (Castro Valley, CA), Alameda Health System (San Leandro, CA), Sutter Bay Medical Foundation (Orinda, CA) and Orthopedic Trauma Surgeons Of Northern California (Carmichael, 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 Virginia Lieu'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 Virginia Lieu was last updated on May 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Virginia Y Lieu, MD · NPI 1063945962
Orthopaedic Trauma physician in Castro Valley, California. Individual provider, active in the CMS NPPES registry since April 7, 2017.
## Identity
- **NPI:** 1063945962 (Entity type: Individual)
- **Enumerated:** April 7, 2017
- **Primary specialty:** Orthopaedic Surgery - Orthopaedic Trauma · taxonomy 207XX0801X
- **State license:** A158873 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 19842 LAKE CHABOT RD, Castro Valley, CA 94546-4002
- **Phone:** (510) 750-1967 · **Fax:** (844) 718-0067
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Bass Medical Group (NPI 1093181646, Castro Valley, CA); Alameda Health System (NPI 1558749440, San Leandro, CA); Sutter Bay Medical Foundation (NPI 1366898538, Orinda, CA); Orthopedic Trauma Surgeons Of Northern California (NPI 1821031741, Carmichael, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2017
## Record status
- **NPPES last updated:** May 7, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1063945962) · Data from the CMS NPPES public registry.