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DR. MICHAEL J IWANICKI D.O.
NPI 1003845561
Surgery in Downers Grove, IL

Active since June 30, 2006PECOS EnrolledAccepts Medicare Assignment
3815 HIGHLAND AVE, TOWER 2, SUITE 107, DOWNERS GROVE, IL 60515(630) 275-7800(630) 810-9240 Get Directions Write a Review

NPPES record last updated: March 25, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Mar 25, 2025, Dec 21, 2021 (2 updates tracked since 2021).

About Dr. Michael J Iwanicki D.o. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MICHAEL J IWANICKI D.O. (NPI 1003845561) is an individual surgery provider in Downers Grove, Illinois, licensed in Illinois (036-105399) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Advocate Good Samaritan Hospital, and is a graduate of Midwestern University, Chicago College Of Osteopathic Med (1997).

NPPES Registry Identity

NPI1003845561
Entity TypeIndividualMale
Primary Taxonomy208600000X
Provider Legal NameDR. MICHAEL J IWANICKICredential: D.O.
Location Address3815 HIGHLAND AVE, TOWER 2, SUITE 107Downers Grove, IL 60515-1500
Mailing Address29373 Network PlChicago, IL 60673-1293 · (847) 390-5900
Phone(630) 275-7800
Fax(630) 810-9240
Sole ProprietorNo
Medical School CMSMidwestern University, Chicago College Of Osteopathic MedGraduated 1997
Enumeration DateJune 30, 2006
Last NPPES UpdateMarch 25, 20252 updates tracked since enumeration
NPPES CertifiedMarch 25, 2025
✔ NPI 1003845561 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
License✔ Licensed in IL · 036-105399
Definition
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.
Also ListedSurgery · Trauma SurgeryTaxonomy 2086S0127X · License 036-105399 (IL)
3815 HIGHLAND AVE, Downers Grove, IL 60515
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Home State Health, Ambetter Health, Ambetter Health of Delaware.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Michael J Iwanicki D.o. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4486620077
PECOS Enrollment IDI20040903001245
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 7

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
188 services143 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
169 services132 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
31 services28 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
25 services25 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
21 services21 patients
Repair of groin hernia using an endoscope 49650
This procedure involves the use of an endoscope, a thin tube with a camera, to repair a hernia in the groin area. The surgeon makes small incisions, inserts the endoscope, and uses special tools to fix the hernia. This minimally invasive technique often results in quicker recovery times.
11 services11 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Advocate Good Samaritan Hospital

Acute Care Hospitals · Downers Grove, IL
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140288
Location3815 Highland AvenueDowners Grove, IL 60515 · Du Page County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60515 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$93.02 typical visit price
range $59.81 – $181.38
Typical copayment $23.25 (range $14.95 – $45.34)
Most-billed visit code 99203
Established Patient
$74.38 typical visit price
range $19.15 – $147.12
Typical copayment $18.59 (range $4.78 – $36.78)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

STEPHANIE WOLFF PA-C
Physician Assistant
3815 HIGHLAND AVE
DOWNERS GROVE, IL 60515
Dupage County (630) 275-5900
TRAUMA AND SURGICAL SPECIALISTS OF DUPAGE, LLC
Surgery
3815 HIGHLAND AVE, TOWER 2, SUITE 107
DOWNERS GROVE, IL 60515
Dupage County (630) 275-7800
DR. JUSTIN GRIFFITH MILLER M.D.
Thoracic Surgery (Cardiothoracic Vascular Surgery)
3815 HIGHLAND AVE
DOWNERS GROVE, IL 60515
Dupage County (630) 324-7913
ZACHARY JOHN BASTIAN M.D.
Anesthesiology
3815 HIGHLAND AVE
DOWNERS GROVE, IL 60515
Dupage County (630) 275-5900
MANISA BAKER APN
Clinical Nurse Specialist (Acute Care)
3815 HIGHLAND AVE
DOWNERS GROVE, IL 60515
Dupage County (630) 275-5900
MARY SUE DAILEY APRN
Clinical Nurse Specialist (Adult Health)
3815 HIGHLAND AVE
DOWNERS GROVE, IL 60515
Dupage County (630) 275-5900
DR. HEMANT PANCHAL M.D.
Pain Medicine (Interventional Pain Medicine)
3815 HIGHLAND AVE
DOWNERS GROVE, IL 60515
Dupage County (630) 275-5900
DEENA PALADINO CSFA
Specialist/Technologist, Other (Surgical Assistant)
3815 HIGHLAND AVE
DOWNERS GROVE, IL 60515
Dupage County (360) 275-1100

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Michael Iwanicki's NPI number?

The NPI number for Michael Iwanicki is 1003845561. It was assigned to this individual provider in the NPPES registry on June 30, 2006.

Where is Michael Iwanicki located?

Michael Iwanicki practices at 3815 Highland Ave Tower 2, Suite 107, Downers Grove, IL 60515. The listed phone number is (630) 275-7800.

What is Michael Iwanicki's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is Michael Iwanicki enrolled in Medicare?

Yes. Michael Iwanicki is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Michael Iwanicki accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Home State Health list Michael Iwanicki as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Michael Iwanicki affiliated with any hospitals?

According to CMS data, Michael Iwanicki is affiliated with Advocate Good Samaritan Hospital.

When was this NPI record last updated?

The NPPES record for Michael Iwanicki was last updated on March 25, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.