LIANA SUTIN LAU MD
NPI 1245895416
Psychiatry & Neurology - Child & Adolescent Psychiatry in Walnut Creek, CA
About Liana Sutin Lau Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LIANA SUTIN LAU MD (NPI 1245895416) is an individual child & adolescent psychiatry provider in Walnut Creek, California, licensed in California (A202997) and active in the NPI registry since May 2019. She is enrolled in Medicare PECOS, is affiliated with Lenox Hill Hospital, and maintains a secondary practice location in New York.
NPPES Registry Identity
Specialties & Licenses 2
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
Liana Sutin Lau 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 Liana Lau reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Walnut Creek, CA 94597
- Reassigned Medicare billing, California enrollment
- 149 clinicians in this Medicare group
Great Neck, NY 11021
- Reassigned Medicare billing, New York enrollment
- 9,353 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
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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Lenox Hill Hospital
Acute Care Hospitals · New York, NYOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WALNUT CREEK, CA 94597
WALNUT CREEK, CA 94597
WALNUT CREEK, CA 94597
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 Liana Lau's NPI number?
The NPI number for Liana Lau is 1245895416. It was assigned to this individual provider in the NPPES registry on May 3, 2019.
Where is Liana Lau located?
Liana Lau practices at 3100 Oak Rd Ste 270, Walnut Creek, CA 94597. The listed phone number is (925) 944-9711.
What is Liana Lau's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Child & Adolescent Psychiatry, with taxonomy code 2084P0804X.
Is Liana Lau enrolled in Medicare?
Yes. Liana 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 Liana Lau's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Liana Lau reassigns Medicare benefits to 2 organizations: Comprehensive Psychiatric Services, A Medical Group (Walnut Creek, CA) and North Shore-Lij Medical PC (Great Neck, NY). 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 Liana Lau's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Liana Lau affiliated with any hospitals?
According to CMS data, Liana Lau is affiliated with Lenox Hill Hospital.
When was this NPI record last updated?
The NPPES record for Liana Lau was last updated on June 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Liana Sutin Lau, MD · NPI 1245895416
Child & Adolescent Psychiatry physician in Walnut Creek, California. Individual provider, active in the CMS NPPES registry since May 3, 2019.
## Identity
- **NPI:** 1245895416 (Entity type: Individual)
- **Enumerated:** May 3, 2019
- **Primary specialty:** Psychiatry & Neurology - Child & Adolescent Psychiatry · taxonomy 2084P0804X
- **State license:** A202997 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 3100 OAK RD STE 270, Walnut Creek, CA 94597-2078
- **Phone:** (925) 944-9711
## 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): Comprehensive Psychiatric Services, A Medical Group (NPI 1184785834, Walnut Creek, CA); North Shore-Lij Medical PC (NPI 1053688572, Great Neck, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** New York Medical College, class of 2019
## Record status
- **NPPES last updated:** June 8, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1245895416) · Data from the CMS NPPES public registry.