DR. STEPHEN WAYNE GILHEENEY MD, MMS
NPI 1982759577
Pediatrics - Pediatric Hematology-Oncology in New York, NY
About Dr. Stephen Wayne Gilheeney Md, Mms NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. STEPHEN WAYNE GILHEENEY MD, MMS (NPI 1982759577) is an individual pediatric hematology-oncology provider in New York, New York, licensed in New York (218757) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Stephen Wayne Gilheeney Md, Mms is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Stephen Gilheeney reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
New York, NY 10021
- Reassigned Medicare billing, New York enrollment
- 220 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.
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 Stephen Gilheeney's NPI number?
The NPI number for Stephen Gilheeney is 1982759577. It was assigned to this individual provider in the NPPES registry on January 24, 2007.
Where is Stephen Gilheeney located?
Stephen Gilheeney practices at Memorial Sloan Kettering Cancer Center 1275 York Avenue, New York, NY 10021. The listed phone number is (212) 639-2153.
What is Stephen Gilheeney's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Hematology-Oncology, with taxonomy code 2080P0207X.
Is Stephen Gilheeney enrolled in Medicare?
Yes. Stephen Gilheeney is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Stephen Gilheeney's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Stephen Gilheeney reassigns Medicare benefits to Memorial Pediatric Group (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 Stephen Gilheeney'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 Stephen Gilheeney was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.