DR. XILEI XU CHEN M.D.
NPI 1063898799
Pediatrics - Pediatric Pulmonology in Buffalo, NY
About Dr. Xilei Xu Chen M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. XILEI XU CHEN M.D. (NPI 1063898799) is an individual pediatric pulmonology provider in Buffalo, New York, licensed in New York (312484) and active in the NPI registry since August 2015. She is enrolled in Medicare PECOS and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Xilei Xu Chen M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Xilei Xu Chen reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Buffalo, NY 14203
- Reassigned Medicare billing, New York enrollment
- 217 clinicians in this Medicare group
Buffalo, NY 14263
- Reassigned Medicare billing, New York enrollment
- 602 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.
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.
BUFFALO, NY 14203
BUFFALO, NY 14203
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 Xilei Xu Chen's NPI number?
The NPI number for Xilei Xu Chen is 1063898799. It was assigned to this individual provider in the NPPES registry on August 4, 2015.
Where is Xilei Xu Chen located?
Xilei Xu Chen practices at 1001 Main St Fl 4, Buffalo, NY 14203. The listed phone number is (716) 323-0260.
What is Xilei Xu Chen's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Pulmonology, with taxonomy code 2080P0214X.
Is Xilei Xu Chen enrolled in Medicare?
Yes. Xilei Xu Chen is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Xilei Xu Chen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Xilei Xu Chen reassigns Medicare benefits to 2 organizations: University At Buffalo Pediatric Associates Inc (Buffalo, NY) and Roswell Park Cancer Institute (Buffalo, 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 Xilei Xu Chen'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 Xilei Xu Chen was last updated on January 26, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.