WAI YING CHAN
NPI 1144066648
Nurse Practitioner in Stony Brook, NY
About Wai Ying Chan NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WAI YING CHAN (NPI 1144066648) is an individual nurse practitioner in Stony Brook, New York, licensed in New York (406052) and active in the NPI registry since July 2024. She is enrolled in Medicare PECOS and is a graduate of State University Of New York At Stony Brook, School Of Medicine (2024).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
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
Wai Ying Chan 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
3Medicare enrollment records show Wai Ying Chan reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Stony Brook, NY 11794
- Reassigned Medicare billing, New York enrollment
New York, NY 10023
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Jay Lawrence Friedman MD LLC
- 8 clinicians in this Medicare group
New York, NY 10016
- Reassigned Medicare billing, New York enrollment
- 79 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 3
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 11794 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
STONY BROOK, NY 11794
STONY BROOK, NY 11794
STONY BROOK, NY 11794
STONY BROOK, NY 11794
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's NPI number?
The NPI number for Wai Ying Chan is 1144066648. It was assigned to this individual provider in the NPPES registry on July 3, 2024.
Where is Wai Ying Chan located?
Wai Ying Chan practices at 101 Nicolls Rd, Stony Brook, NY 11794. The listed phone number is (212) 388-1268.
What is Wai Ying Chan's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Wai Ying Chan enrolled in Medicare?
Yes. Wai Ying Chan 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 Wai Ying Chan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Wai Ying Chan reassigns Medicare benefits to 3 organizations: Wai Ying Chan Np In Psychiatry PLLC (Stony Brook, NY), Jay Lawrence Friedman, M.D., L.L.C. (New York, NY) and Rivia Medical PLLC (New York, 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 Wai Ying Chan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Wai Ying Chan accept?
Health plans from Cigna HealthCare of Florida, Inc., Cigna Healthcare, Oscar Health and UnitedHealthcare list Wai Ying Chan as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Wai Ying Chan was last updated on December 11, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 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.