Doctor profile · Federal record

Dr. Conrad Williamson, M.D.

Emergency Medicine Physician (CMS: Emergency Medicine) · Madison, WI

  • NPI 1346679362
  • Accepts Medicare
  • 11 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
213 Chestnut St
Madison, WI 537263832
(949) 351-1670
Additional location
600 Highland Ave
Madison, WI 537920001
(608) 263-6400

Credentials & registration

NPPES · NUCC
NPI registered
November 2013 — 13 yrs on file
Profile last updated
December 17, 2021
Year of graduation
2015 — 11 yrs since
Specialty taxonomy
207P00000X — NUCC code
State license (1)
Wisconsin #66660-20

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1346679362. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
11
Distinct HCPCS
1
Medicare allowed
$1,333
HCPCS Description Services Patients Avg allowed
99284 Emergency department visit with moderate level of medical decision making 11 11 $121

In context: peer comparison

Among 57 peers in this city , average services per provider: 78. This provider delivers 0.1× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
85
Patients
85
Total drug cost
$691
Drug Type Claims Patients Total cost
Oxycodone Hcl Generic 30 30 $178
Cephalexin Generic 29 29 $312
Ibuprofen Generic 26 26 $200

Frequently asked questions

Auto-generated from federal data
What is Dr. Conrad Williamson's medical specialty?
Dr. Conrad Williamson practices Emergency Medicine Physician in Madison, WI.
Where does Dr. Conrad Williamson practice?
Dr. Conrad Williamson practices at 213 Chestnut St, Madison, WI 537263832. Office phone: 9493511670.
What is Dr. Conrad Williamson's NPI?
Dr. Conrad Williamson's National Provider Identifier (NPI) is 1346679362, issued by NPPES.
Does Dr. Conrad Williamson accept Medicare assignment?
Yes. Dr. Conrad Williamson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Conrad Williamson commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with moderate level of medical decision making (HCPCS 99284). Source: CMS Medicare Physician & Other Practitioners file.