ANNA LOUISE LAU ARNP
NPI 1326359134
Nurse Practitioner - Psychiatric/Mental Health in Buffalo, NY

Active since June 25, 2010PECOS Enrolled
138 DORSET DR, BUFFALO, NY 14223(716) 479-9858 Get Directions Write a Review

NPPES record last updated: September 11, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Anna Louise Lau Arnp NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ANNA LOUISE LAU ARNP (NPI 1326359134) is an individual psychiatric/mental health provider in Buffalo, New York, licensed in New York (F404800-01) and active in the NPI registry since June 2010. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1326359134
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameANNA LOUISE LAUCredential: ARNP
Location Address138 DORSET DRBuffalo, NY 14223-1947
Mailing Address138 Dorset DrBuffalo, NY 14223-1947 · (716) 479-9858
Sole ProprietorNo
Enumeration DateJune 25, 2010
Last NPPES UpdateSeptember 11, 2023
NPPES CertifiedSeptember 11, 2023
✔ NPI 1326359134 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
License✔ Licensed in NY · F404800-01
Also ListedNurse Practitioner · Women's HealthTaxonomy 363LW0102X · License AP60156580 (WA), AP60186286 (WA), 421118 (NY)
138 DORSET DR, Buffalo, NY 14223

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Anna Louise Lau Arnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Anna Lau reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Psychiatric/Mental Health
245 5TH AVE FL 3
New York, NY 10016
  • Reassigned Medicare billing, New York enrollment
  • Medicare enrollment name: Psychiatric Nurse Practitioner PC
  • 63 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 14223 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$84.93 typical visit price
range $54.87 – $166.88
Typical copayment $21.23 (range $13.71 – $41.72)
Most-billed visit code 99203
Established Patient
$97.08 typical visit price
range $17.54 – $136.14
Typical copayment $24.27 (range $4.38 – $34.03)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 Anna Lau's NPI number?

The NPI number for Anna Lau is 1326359134. It was assigned to this individual provider in the NPPES registry on June 25, 2010.

Where is Anna Lau located?

Anna Lau practices at 138 Dorset Dr, Buffalo, NY 14223. The listed phone number is (716) 479-9858.

What is Anna Lau's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Is Anna Lau enrolled in Medicare?

Yes. Anna Lau is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Anna Lau's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Anna Lau reassigns Medicare benefits to Psychiatric Nurse Practitioner P.C (New York, NY). 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 Anna 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 Anna Lau was last updated on September 11, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.