Doctor profile · Federal record

Dr. Charles Shahan, MD

Trauma Surgery Physician (CMS: General Surgery) · Surgery Physician · Surgery Physician · Madison, WI

  • NPI 1033477070
  • Accepts Medicare
  • 14 yrs in practice
  • Licensed in 2 states
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
600 Highland Ave
Madison, WI 537924402
(608) 263-7502
Mailing address
7974 Uw Health CT
Middleton, WI 535625531

Credentials & registration

NPPES · NUCC
NPI registered
April 2012 — 14 yrs on file
Profile last updated
February 8, 2021
Year of graduation
2012 — 14 yrs since
Specialty taxonomy
2086S0127X — NUCC code
State licenses (2)
Wisconsin #73380 · Texas #S1265
Medicaid
TX #401321101

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1033477070. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
433
Distinct HCPCS
8
Medicare allowed
$37,111
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 259 111 $75
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 53 53 $123
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 28 13 $113
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 24 19 $46
99238 Hospital discharge day management, 30 minutes or less 20 20 $77
99283 Emergency department visit with low level of medical decision making 18 18 $67
99284 Emergency department visit with moderate level of medical decision making 17 17 $113
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 14 14 $164

In context: peer comparison

Among 16 peers in Madison Trauma Surgery Physician, average services per provider: 50. This provider delivers 8.7× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$111
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Boston Scientific Corporation 1 $111.27

By nature of payment

Food and Beverage
$111

Frequently asked questions

Auto-generated from federal data
What is Dr. Charles Shahan's medical specialty?
Dr. Charles Shahan practices Trauma Surgery Physician in Madison, WI.
Where does Dr. Charles Shahan practice?
Dr. Charles Shahan practices at 600 Highland Ave, Madison, WI 537924402. Office phone: 6082637502.
What is Dr. Charles Shahan's NPI?
Dr. Charles Shahan's National Provider Identifier (NPI) is 1033477070, issued by NPPES.
Does Dr. Charles Shahan accept Medicare assignment?
Yes. Dr. Charles Shahan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Charles Shahan commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.