William J. Kemp, MD
Neurological Surgery Physician · Madison, WI
William J. Kemp, MD is a neurological surgery physician with a practice address in Madison, Wisconsin, and NPI 1306251947, issued on Jun 23, 2014. Check the license (Wisconsin 75334, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- William J. Kemp
- Credential
- MD
- Primary taxonomy
- Neurological Surgery Physician 207T00000X
- License numbers
- 75334 WI
4301105515 MI
Self-reported in NPPES; status is on the state search - Practice location
- 309 W Johnson St, Madison, WI 53703
- Phone
- (248) 935-8472
- Enumerated
- Jun 23, 2014
- Record last updated
- Oct 18, 2022
- Medicare enrollment
- Enrolled (PECOS I20221121003347); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest neurological surgery physician records → All 176 in Wisconsin → Look up another NPI →
Also registered at 309 W Johnson St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Talal Al-Qaoud, MDTransplant Surgery Physician1376093716
Verify William J. Kemp in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 75334Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
26% more Medicare Part D claims than the average neurological surgery physician in 2024
216 Medicare Part D claims for 108 beneficiaries, against an average of 172 among the 4,378 providers of this specialty who prescribed in Part D. 36 claims were for opioids.
Most prescribed
- Methylprednisolone45 claims
- Naproxen34 claims
- Methocarbamol22 claims
- Oxycodone Hcl19 claims
- Tizanidine Hcl17 claims
- Sulfamethoxazole-Trimethoprim15 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $599.25
5 payments; by number, the most common kind was food and beverage; the largest payer was Stryker Corporation. The 5,377 providers of this specialty with any payment received $14,925.58 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 3 group practices
- Legacy Healthcare Services IncBurke, VA
- Neurosurgical Associates PCHenrico, VA
- Virginia Spine Institute PLCReston, VA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William J. Kemp among 176 neurological surgery physician records in Wisconsin
William J. Kemp, MD is one of 176 neurological surgery physician records with a practice address in Wisconsin. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 76% of them.
- NPI issued2014 · 76% of these records are older, 19% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2022 · median 2006 among the 112 with a school on file
- Record last updated2022 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207T00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neurological Surgery Physician providers in Wisconsin
There are 176 neurological surgery physician records in Wisconsin.
All 176 in Wisconsin → Every provider in Madison → Neurological Surgery Physician nationwide →
The 8 neurological surgery physician records with the nearest ZIP codes
- Christopher Baggott, M.D.Madison, WI 537151871818609
- Daniel Burkett, M.D.Madison, WI 537151972039550
- Richard Carter, MDMadison, WI 537151336180652
- Krisada Chanbusarakum, M.D.Madison, WI 537151548221849
- Mark Corriveau, M.D.Madison, WI 537151891182762
- Elena Gutierrez, M.D.Madison, WI 537151578785804
- Michael Koltz, MDMadison, WI 537151689700726
- Alan Lozier, MDMadison, WI 537151790726313
Common questions
What is William J. Kemp, MD's NPI number?
William J. Kemp, MD's National Provider Identifier (NPI) is 1306251947, issued on Jun 23, 2014. An NPI identifies a provider in billing; it is not a license.
Where is William J. Kemp, MD located?
The NPPES record lists a practice address at 309 W Johnson St, Madison, WI, 53703. Phone: (248) 935-8472. Providers update this record themselves, so call before visiting.
How can I verify William J. Kemp, MD's license?
NPPES lists Wisconsin license number 75334, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William J. Kemp, MD prescribe under Medicare Part D?
In 2024, William J. Kemp, MD had 216 Medicare Part D claims for 108 beneficiaries; the average among neurological surgery physician prescribers was 172. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.