Doctor profile · Federal record

Dr. William Kemp, MD

Neurological Surgery Physician (CMS: Neurosurgery) · Surgery Physician · Madison, WI

  • NPI 1306251947
  • Accepts Medicare
  • 4 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
309 W Johnson St
Madison, WI 537033471
(248) 935-8472

Credentials & registration

NPPES · NUCC
NPI registered
June 2014 — 12 yrs on file
Profile last updated
October 18, 2022
Year of graduation
2022 — 4 yrs since
Specialty taxonomy
207T00000X — NUCC code
State licenses (2)
Wisconsin #75334 · Michigan #4301105515

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1306251947. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,830
Distinct HCPCS
10
Medicare allowed
$503,178
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 288 182 $141
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg 281 44 $1
J0702 Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg 260 57 $7
72110 X-ray of lower and sacral spine, minimum of 4 views 241 227 $60
99215 Established patient office or other outpatient visit, 40-54 minutes 238 153 $197
72170 X-ray of pelvis, 1-2 views 198 198 $33
99205 New patient office or other outpatient visit, 60-74 minutes 185 185 $242
72050 X-ray of upper spine, 4-5 views 176 151 $62
72082 X-ray of entire middle and lower spine, 2-3 views 102 83 $83
99204 New patient office or other outpatient visit, 45-59 minutes 97 97 $184

In context: peer comparison

Among 13 peers in this city , average services per provider: 47. This provider delivers 60× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$599
Transactions
5
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Stryker Corporation 2 $223.35
Alphatec Spine, Inc 1 $218.00
Augmedics Inc. 1 $99.81
Medtronic, Inc. 1 $58.09

By nature of payment

Food and Beverage
$381
Travel and Lodging
$218

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
127
Patients
93
Total drug cost
$1,549
Drug Type Claims Patients Total cost
Tizanidine Hcl Generic 28 23 $416
Naproxen Generic 26 21 $154
Methylprednisolone Generic 22 19 $158
Gabapentin Generic 19 16 $312
Oxycodone Hcl Generic 19 14 $270
Methocarbamol Generic 13 0 $240

Frequently asked questions

Auto-generated from federal data
What is Dr. William Kemp's medical specialty?
Dr. William Kemp practices Neurological Surgery Physician in Madison, WI.
Where does Dr. William Kemp practice?
Dr. William Kemp practices at 309 W Johnson St, Madison, WI 537033471. Office phone: 2489358472.
What is Dr. William Kemp's NPI?
Dr. William Kemp's National Provider Identifier (NPI) is 1306251947, issued by NPPES.
Does Dr. William Kemp accept Medicare assignment?
Yes. Dr. William Kemp accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Kemp commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Injection, triamcinolone acetonide, not otherwise specified, 10 mg (HCPCS J3301); Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg (HCPCS J0702). Source: CMS Medicare Physician & Other Practitioners file.