William Kemp, MD
NPI 1306251947 · Neurological Surgery Physician · Madison, WI
Enrolled with Medicare as Practitioner - Neurosurgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Kemp, MD is a Neurological Surgery Physician provider in Madison, WI (NPI 1306251947).
Provider details
- NPI number
- 1306251947
- Entity type
- Individual
- Primary specialty
- Neurological Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 4301105515 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
12 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,927 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 413 | $139 |
| X-Ray of Lower and Sacral Spine, Minimum of 4 Views72110 | 273 | $59 |
| X-Ray of Upper Spine, 4-5 Views72050 | 151 | $61 |
| X-Ray of Pelvis, 1-2 Views72170 | 151 | $31 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 124 | $196 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 108 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Methylprednisolone | 45 | 41 |
| Naproxen | 34 | 30 |
| Methocarbamol | 22 | 19 |
| Oxycodone Hcl | 19 | 14 |
| Tizanidine Hcl | 17 | 17 |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 15 | — |
| Gabapentin | 12 | 12 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$599 across 5 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2014-06-23
- Last updated
- 2022-10-18
- Certified
- 2022-10-18
Frequently asked questions
- What is William Kemp's NPI number?
- William Kemp's National Provider Identifier (NPI) is 1306251947, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Kemp's specialty?
- William Kemp is listed in the NPPES registry with a primary specialty of Neurological Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is William Kemp located?
- William Kemp's practice location on file with NPPES is 309 W Johnson St, Madison, WI 53703-3471.
- What is William Kemp's phone number?
- The practice phone number listed in the NPPES registry for William Kemp is (248) 935-8472.
- Does William Kemp accept Medicare?
- William Kemp is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Kemp's NPI active?
- Yes — William Kemp's NPI (1306251947) is active in the NPPES registry as of the last update on 2022-10-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.