NANCY CHE-LUI LAU
NPI 1255364055
Hospitalist in San Jose, CA
About Nancy Che-lui Lau NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
NANCY CHE-LUI LAU (NPI 1255364055) is an individual hospitalist provider in San Jose, California, licensed in California (A90951) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS and is a graduate of New York Medical College (2002).
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
Nancy Che-lui Lau 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
5Medicare enrollment records show Nancy Lau reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Jose, CA 95116
- Reassigned Medicare billing, California enrollment
- 962 clinicians in this Medicare group
San Jose, CA 95116
- Reassigned Medicare billing, California enrollment
- Also billed through NPI 1043354020 (California)
- 2,460 clinicians in this Medicare group
Mountain View, CA 94040
- Reassigned Medicare billing, California enrollment
- 217 clinicians in this Medicare group
Apple Valley, CA 92307
- Reassigned Medicare billing, California enrollment
- 914 clinicians in this Medicare group
Colton, CA 92324
- Reassigned Medicare billing, California enrollment
- 338 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 2
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 95116 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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 JOSE, CA 95116
SAN JOSE, CA 95116
SAN JOSE, CA 95116
SAN JOSE, CA 95116
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 Nancy Lau's NPI number?
The NPI number for Nancy Lau is 1255364055. It was assigned to this individual provider in the NPPES registry on July 8, 2006.
Where is Nancy Lau located?
Nancy Lau practices at 225 N Jackson Ave, San Jose, CA 95116. The listed phone number is (408) 378-6131.
What is Nancy Lau's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Nancy Lau enrolled in Medicare?
Yes. Nancy Lau 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 Nancy Lau's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Nancy Lau reassigns Medicare benefits to 5 organizations: Galen Inpatient Physicians, PC (San Jose, CA), County Of Santa Clara (San Jose, CA), Quantum Bay Area Hospitalist Medical Group Inc (Mountain View, CA), Hospitalist Medicine Physicians Of California, Inc (Apple Valley, CA) and Quantum Healthcare Medical Associates Inc. (Colton, 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 Nancy Lau'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 Nancy Lau was last updated on September 20, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.
# Nancy Che-Lui Lau · NPI 1255364055
Hospitalist physician in San Jose, California. Individual provider, active in the CMS NPPES registry since July 8, 2006.
## Identity
- **NPI:** 1255364055 (Entity type: Individual)
- **Enumerated:** July 8, 2006
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** A90951 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 225 N JACKSON AVE, San Jose, CA 95116-1603
- **Phone:** (408) 378-6131
## 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:** 5 organizations under Medicare reassignment (form CMS-855R): Galen Inpatient Physicians, PC (NPI 1063456283, San Jose, CA); County Of Santa Clara (NPI 1326033929, San Jose, CA); Quantum Bay Area Hospitalist Medical Group Inc (NPI 1902279656, Mountain View, CA); Hospitalist Medicine Physicians Of California, Inc (NPI 1184663965, Apple Valley, CA); Quantum Healthcare Medical Associates Inc. (NPI 1568490597, Colton, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** New York Medical College, class of 2002
## Record status
- **NPPES last updated:** September 20, 2017
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Source: [NPI Profile](https://npiprofile.com/npi/1255364055) · Data from the CMS NPPES public registry.