Active NPI 1003845561 Individual Practitioner Male Practitioner

Dr. Michael J Iwanicki , DO

Surgery • Downers Grove, IL

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Michael Iwanicki, DO is a certified Surgery practicing in Downers Grove, IL. With approximately 29 years of clinical experience since graduating from Midwestern University, Chicago College Of Osteopathic Med in 1997, Dr. Iwanicki delivers high-quality medical care to the local community at 3815 HIGHLAND AVE.

Dr. Iwanicki is affiliated with Advocate Health And Hospitals Corporation and accepts Medicare assignment.

Frequently performed procedures and clinical services include subsequent hospital care with moderate levelof medical decision making, if using time, at least, critical care, first, established patient outpatient office visit. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

3815 Highland Ave
Tower 2, Suite 107

Downers Grove, IL 605151500

Telephone 6302757800

Fax 6308109240

Associated Practice Facility / Clinic

🏢 Dupage Emergency Physicians Ltd Facility NPI 1255323481

Medicare Profile & Education

Medical School

Midwestern University, Chicago College Of Osteopathic Med

Graduation Year

1997

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Surgery in Downers Grove, IL

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

29 Yrs +5.4 yrs vs City Avg

City Avg: 23.6 Yrs

State Avg: 27.3 Yrs

Regional Practice Density

13 Specialists

Practicing in Downers Grove, IL (1624 Statewide)

Telehealth Adoption Rate

15.4% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

72.5% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Iwanicki (29 Years) 29 Yrs

Downers Grove Specialty Average (23.6 Years) 23.6 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	188	143	$261.00	$119.67
99291 Critical care, first 30-74 minutes	169	132	$712.00	$211.73
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	31	28	$281.94	$127.16
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	25	25	$315.00	$132.91
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	21	21	$364.71	$170.91
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	11	11	$465.91	$161.86
49650 Repair of groin hernia using an endoscope	11	11	$2760.00	$492.80

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	205	152	$248.00	$121.81
99291 Critical care, first 30-74 minutes	195	138	$678.00	$214.66
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	32	30	$300.00	$134.55
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	29	24	$259.00	$128.06
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	25	25	$352.00	$173.28
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	20	20	$437.00	$178.98

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	265	199	$241.00	$101.67
99291 Critical care, first 30-74 minutes	222	162	$678.00	$222.96
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	24	24	$352.00	$176.71
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	18	17	$300.00	$140.75
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	15	13	$235.00	$134.63
99239 Hospital discharge day management, more than 30 minutes	15	15	$241.00	$108.71
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	14	13	$437.00	$205.41
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	13	13	$352.00	$141.96

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99291 Critical care, first 30-74 minutes	227	152	$678.00	$230.06
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	195	147	$241.00	$105.73
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	32	31	$439.25	$202.93
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	24	24	$304.29	$142.66
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	20	20	$341.00	$178.93
99292 Critical care, each additional 30 minutes	18	13	$270.00	$116.68
99239 Hospital discharge day management, more than 30 minutes	13	13	$241.00	$111.31

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99291 Critical care, first 30-74 minutes	162	129	$678.00	$232.81
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	101	86	$241.00	$107.40
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	19	19	$341.00	$175.38
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	18	18	$300.00	$146.86
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	13	13	$437.00	$201.75

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99291 Critical care, first 30-74 minutes	188	117	$678.00	$235.42
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	133	99	$241.00	$109.82
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	37	35	$432.14	$213.84
99213 Established patient office or other outpatient visit, typically 15 minutes	16	13	$146.00	$78.50
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	16	16	$341.00	$174.56

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99291 Critical care, first 30-74 minutes	156	95	$657.90	$234.97
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	93	74	$232.19	$109.48
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	29	29	$409.83	$213.74
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	19	16	$160.42	$76.56
99239 Hospital discharge day management, more than 30 minutes	17	17	$215.59	$113.04
99292 Critical care, each additional 30 minutes	14	12	$253.21	$117.99
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	12	12	$324.33	$174.00

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99291 Critical care, first 30-74 minutes	188	115	$645.00	$236.03
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	103	73	$220.00	$109.53
99239 Hospital discharge day management, more than 30 minutes	24	24	$205.00	$112.62
99292 Critical care, each additional 30 minutes	18	12	$245.00	$118.46
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	17	17	$385.00	$203.09
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	15	13	$183.00	$75.58

Medical Specialties & State Licenses

CMS Verified: 2025-03-25

Surgery Primary Specialty

NUCC Taxonomy Code: 208600000X

State License IL 036-105399

A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.

Surgery - Trauma Surgery

NUCC Taxonomy Code: 2086S0127X

State License IL 036-105399

Trauma surgery is a recognized subspecialty of general surgery. Trauma surgeons are physicians who have completed a five-year general surgery residency and usually continue with a one to two year fellowship in trauma and/or surgical critical care, typically leading to additional board certification in surgical critical care. There is no trauma surgery board certification at this point. To obtain board certification in surgical critical care, a fellowship in surgical critical care or anesthesiology critical care must be completed during or after general surgery residency.

Hospital & Practice Group Affiliations

Advocate Health And Hospitals Corporation

214 Mchenry Rd, Buffalo Grove, IL 600896748

Phone: 8474591160

Advocate Health And Hospitals Corporation

1775 Dempster St, Park Ridge, IL 600681143

Advocate Health And Hospitals Corporation

3825 Highland Ave, Downers Grove, IL 605151562

Advocate Health And Hospitals Corporation

3815 Highland Ave, Downers Grove, IL 605151500

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

7 Associated Practitioners

Dr. Hayley Springs , DO

Surgery

NPI 1013458264

Doctor of Osteopathic Medicine (D.O.)

Dr. Harold Bach , MD

Surgery

NPI 1184886061

Doctor of Medicine (M.D.)

Dr. Scott Reishus , DO

Surgery - Vascular Surgery

NPI 1245210160

Doctor of Osteopathic Medicine (D.O.)

Dr. Paul Vana , MD

Surgery

NPI 1609165745

Doctor of Medicine (M.D.)

Morgan Machado , PA

Physician Assistant

NPI 1770379869

Physician Assistant

Dr. Patrice Johnson-Perkins , DNP, APRN, FNP-C

Nurse Practitioner - Family

NPI 1891931507

Doctor of Nursing Practice, Advanced Practice Registered Nurse, Family Nurse Practitioner (Certified)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

9 Historical Events

📍

Updated Business Mailing Address March 25, 2025

Registered at 29373 NETWORK PL, CHICAGO, IL 606731293 (Tel: 8473905900)

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) March 25, 2025

Surgery (License #036-105399 in IL)

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) December 21, 2021

Surgery (License #036-105399 in IL)

✅

NPI Profile Active July 08, 2007

NPI status registered as active in NPPES database

📍

Updated Practice Location July 08, 2007

Registered at 3815 HIGHLAND AVE, TOWER 2, SUITE 107, DOWNERS GROVE, IL 605151500 (Tel: 6302757800)

📍

Updated Business Mailing Address July 08, 2007

Registered at 561 TERRACE LN, SOUTH ELGIN, IL 601772254

👤

Provider Name / Credentials Updated July 08, 2007

Recorded as MICHAEL IWANICKI, D.O.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) July 08, 2007

Surgery

🟢

Initial NPI Registration & Enumeration June 30, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1003845561

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: June 30, 2006

Last Update: March 25, 2025

Sole Proprietor: No

Update or Correct Profile

Mailing Address

29373 Network Pl

Chicago, IL 606731293

Phone: 8473905900

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).

⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.