Doctor profile · Federal record

Dr. Michael Iwanicki, D.O.

Surgery Physician (CMS: General Surgery) · Trauma Surgery Physician · Downers Grove, IL

  • NPI 1003845561
  • Accepts Medicare
  • 29 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3815 Highland Ave, Tower 2, Suite 107
Downers Grove, IL 605151500
(630) 275-7800
fax (630) 810-9240
Mailing address
29373 Network Pl
Chicago, IL 606731293

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
March 25, 2025
Year of graduation
1997 — 29 yrs since
Specialty taxonomy
208600000X — NUCC code
State license (1)
Illinois #036-105399

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1003845561. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
506
Distinct HCPCS
6
Medicare allowed
$82,762
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 205 152 $122
99291 Critical care, first 30-74 minutes 195 138 $215
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 32 30 $135
99214 Established patient office or other outpatient visit, 30-39 minutes 29 24 $128
99204 New patient office or other outpatient visit, 45-59 minutes 25 25 $173
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 20 20 $179

In context: peer comparison

Among 3 peers in this city , average services per provider: 52. This provider delivers 9.7× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$40,693
Transactions
51
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
INTUITIVE SURGICAL, INC. 49 $40,555.57
Baxter Healthcare 1 $105.26
CONMED Corporation 1 $32.26

By nature of payment

Education
$32,000
Travel and Lodging
$3,685
Food and Beverage
$2,508
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program
$2,500

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
27
Patients
27
Total drug cost
$179
Drug Type Claims Patients Total cost
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 27 27 $179

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Iwanicki's medical specialty?
Dr. Michael Iwanicki practices Surgery Physician in Downers Grove, IL.
Where does Dr. Michael Iwanicki practice?
Dr. Michael Iwanicki practices at 3815 Highland Ave, Downers Grove, IL 605151500. Office phone: 6302757800.
What is Dr. Michael Iwanicki's NPI?
Dr. Michael Iwanicki's National Provider Identifier (NPI) is 1003845561, issued by NPPES.
Does Dr. Michael Iwanicki accept Medicare assignment?
Yes. Dr. Michael Iwanicki accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Iwanicki commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Critical care (HCPCS 99291); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.