WAI YING CHAN NP IN PSYCHIATRY PLLC
NPI 1700742186
Nurse Practitioner - Psychiatric/Mental Health in Stony Brook, NY
About Wai Ying Chan Np In Psychiatry Pllc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WAI YING CHAN NP IN PSYCHIATRY PLLC (NPI 1700742186) is a healthcare organization registered as a psychiatric/mental health in Stony Brook, New York and active in the NPI registry since December 2025. The organization lists Wai Ying Chan, Nurse Practitioner, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Wai Ying Chan Np In Psychiatry Pllc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
Medicare enrollment records show 1 clinician reassigns Medicare billing to Wai Ying Chan Np In Psychiatry PLLC, which bills Medicare for the services this clinician delivers.
Clinician (1)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 Wai Ying Chan Np In Psychiatry PLLC's NPI number?
The NPI number for Wai Ying Chan Np In Psychiatry PLLC is 1700742186. It was assigned to this organization in the NPPES registry on December 30, 2025.
Where is Wai Ying Chan Np In Psychiatry PLLC located?
Wai Ying Chan Np In Psychiatry PLLC is located at 101 Nicolls Rd, Stony Brook, NY 11794. The listed phone number is (212) 388-1268.
What is Wai Ying Chan Np In Psychiatry PLLC's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.
Is Wai Ying Chan Np In Psychiatry PLLC enrolled in Medicare?
Yes. Wai Ying Chan Np In Psychiatry PLLC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Wai Ying Chan Np In Psychiatry PLLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Nurse Practitioner) reassigns their Medicare billing to Wai Ying Chan Np In Psychiatry PLLC. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Wai Ying Chan Np In Psychiatry PLLC was last updated on December 30, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.
# Wai Ying Chan Np In Psychiatry Pllc · NPI 1700742186
Psychiatric/Mental Health organization in Stony Brook, New York. Organization record, active in the CMS NPPES registry since December 30, 2025.
## Identity
- **NPI:** 1700742186 (Entity type: Organization)
- **Enumerated:** December 30, 2025
- **Primary specialty:** Nurse Practitioner - Psychiatric/Mental Health · taxonomy 363LP0808X
- **Organization subpart:** No
- **Authorized official:** Wai Ying Chan, NURSE PRACTITIONER
## Practice location
- **Address:** 101 NICOLLS RD, Stony Brook, NY 11794-0001
- **Phone:** (212) 388-1268
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Nurse Practitioner) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** December 30, 2025
---
Source: [NPI Profile](https://npiprofile.com/npi/1700742186) · Data from the CMS NPPES public registry.