DR. MICHAEL J WAWRZYNIAK M.D.
NPI 1942543178
Emergency Medicine in Chicago, IL

Q: What is Michael Wawrzyniak's NPI number?

The NPI number for Michael Wawrzyniak is 1942543178. It was assigned to this individual provider in the NPPES registry on April 6, 2013.

Q: What is Michael Wawrzyniak's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Active since April 06, 2013PECOS Enrolled

5645 W ADDISON ST, CHICAGO, IL 60634(773) 282-7000 Get Directions Write a Review

NPPES record last updated: May 13, 2019. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: May 13, 2019, Jan 23, 2017 (2 updates tracked since 2017).

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About Dr. Michael J Wawrzyniak M.d. NPPES

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

DR. MICHAEL J WAWRZYNIAK M.D. (NPI 1942543178) is an individual emergency medicine provider in Chicago, Illinois, licensed in Illinois (1942543178) and active in the NPI registry since April 2013. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1942543178

Entity TypeIndividualMale

Primary Taxonomy207P00000X

Provider Legal NameDR. MICHAEL J WAWRZYNIAKCredential: M.D.

Location Address5645 W ADDISON STChicago, IL 60634-4403

Mailing Address5645 W Addison StChicago, IL 60634-4403 · (773) 282-7000

Phone(773) 282-7000

Sole ProprietorNo

Enumeration DateApril 6, 2013

Last NPPES UpdateMay 13, 20192 updates tracked since enumeration

✔ NPI 1942543178 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207P00000X

License✔ Licensed in IL · 1942543178

Definition

An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.

5645 W ADDISON ST, Chicago, IL 60634

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Michael J Wawrzyniak M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Medicare Billing Reassignments

Medicare enrollment records show Michael Wawrzyniak reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Community First Healthcare Of Illinois, Inc.

Same address

Diagnostic Radiology

5645 W ADDISON ST
Chicago, IL 60634

Reassigned Medicare billing, Illinois enrollment
174 clinicians in this Medicare group

NPI 1053102269 (773) 282-7000

Osf Healthcare System

16 mi

General Acute Care Hospital

2800 W 95TH ST
Evergreen Park, IL 60805

Reassigned Medicare billing, Illinois enrollment
183 clinicians in this Medicare group

NPI 1215572045 (708) 422-6200

Osf Multi-Specialty Group

127 mi

Internal Medicine

8600 N STATE ROUTE 91
Peoria, IL 61615

Reassigned Medicare billing, Illinois enrollment
2,944 clinicians in this Medicare group

NPI 1154908929 (309) 683-5050

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 4

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.

Emergency department visit with high level of medical decision making 99285

An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.

182 services175 patients

Emergency department visit with moderate level of medical decision making 99284

An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.

116 services113 patients

Emergency department visit with low level of medical decision making 99283

An emergency department visit for a problem of moderate severity involves immediate medical attention for issues like minor fractures, burns, or high fever. The healthcare team will assess your condition, provide necessary treatment, and may suggest further tests or admission if required.

32 services32 patients

Emergency department visit with straightforward medical decision making 99282

An emergency department visit for a mild to moderate issue is when you seek immediate medical attention for a non-life-threatening condition. This could include minor injuries, moderate pain, or illnesses like the flu. During the visit, healthcare professionals assess your condition, provide treatment, and may recommend follow-up care.

12 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60634 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

$94.06 typical visit price

range $60.08 – $183.39

Typical copayment $23.51 (range $15.02 – $45.84)

Most-billed visit code 99203

Established Patient

$105.70 typical visit price

range $18.97 – $148.12

Typical copayment $26.42 (range $4.74 – $37.03)

Most-billed visit code 99214

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.

DR. AARON DANIEL KALLSNICK M.D.

Anesthesiology