DR. WILLIAM KEMPTON JEFFREY SKINNER M.D.
NPI 1407994155
Radiology - Radiation Oncology in New York, NY
About Dr. William Kempton Jeffrey Skinner M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. WILLIAM KEMPTON JEFFREY SKINNER M.D. (NPI 1407994155) is an individual radiation oncology provider in New York, New York, licensed in Virginia (0101231625) and active in the NPI registry since February 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. William Kempton Jeffrey Skinner M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show William Skinner reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
New York, NY 10025
- Reassigned Medicare billing, New York enrollment
- 5,251 clinicians in this Medicare group
Cornwall, NY 12518
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: St Lukes Cornwall Jv LLC
- 14 clinicians in this Medicare group
Beltsville, MD 20705
- Reassigned Medicare billing, District of Columbia enrollment
- 96 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 2
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 10028 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 William Skinner's NPI number?
The NPI number for William Skinner is 1407994155. It was assigned to this individual provider in the NPPES registry on February 2, 2007.
Where is William Skinner located?
William Skinner practices at 201 E 86th St 30F, New York, NY 10028. The listed phone number is (757) 871-8714.
What is William Skinner's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.
Is William Skinner enrolled in Medicare?
Yes. William Skinner is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for William Skinner's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Skinner reassigns Medicare benefits to 3 organizations: Montefiore Medical Center (New York, NY), St. Luke's Cornwall Jv, LLC (Cornwall, NY) and Chesapeake Urology Associates, LLC (Beltsville, MD). 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 William Skinner'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 William Skinner 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.