DR. WILLIAM J KEMP III MD
NPI 1306251947
Neurological Surgery in Madison, WI
About Dr. William J Kemp Iii Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. WILLIAM J KEMP III MD (NPI 1306251947) is an individual neurological surgery provider in Madison, Wisconsin, licensed in Wisconsin (75334) and active in the NPI registry since June 2014. He is enrolled in Medicare PECOS, is affiliated with John Randolph Medical Center, and is a graduate of Other (2022).
NPPES Registry Identity
Specialties & Licenses 2
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
Dr. William J Kemp Iii Md 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
2Medicare enrollment records show William Kemp reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Reston, VA 20191
- Reassigned Medicare billing, District of Columbia enrollment
- 11 clinicians in this Medicare group
Richmond, VA 23229
- Reassigned Medicare billing, Virginia enrollment
- 15 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 27
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.
Hospital Affiliations CMS Care Compare 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
John Randolph Medical Center
Acute Care Hospitals · Hopewell, VACjw Medical Center
Acute Care Hospitals · Richmond, VAHenrico Doctors' Hospital
Acute Care Hospitals · Richmond, VABon Secours St Francis Medical Center
Acute Care Hospitals · Midlothian, VAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 53703 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
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 Kemp's NPI number?
The NPI number for William Kemp is 1306251947. It was assigned to this individual provider in the NPPES registry on June 23, 2014.
Where is William Kemp located?
William Kemp practices at 309 W Johnson St, Madison, WI 53703. The listed phone number is (248) 935-8472.
What is William Kemp's specialty?
The primary specialty registered for this NPI is Neurological Surgery with taxonomy code 207T00000X.
Is William Kemp enrolled in Medicare?
Yes. William Kemp 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 William Kemp's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Kemp reassigns Medicare benefits to 2 organizations: Virginia Spine Institute Plc (Reston, VA) and Neurosurgical Associates PC (Richmond, VA). 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 Kemp's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is William Kemp affiliated with any hospitals?
According to CMS data, William Kemp is affiliated with John Randolph Medical Center, Cjw Medical Center, Henrico Doctors' Hospital and Bon Secours St Francis Medical Center.
When was this NPI record last updated?
The NPPES record for William Kemp was last updated on October 18, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.