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THOMAS A BIELAWIEC MD
NPI 1073076295
Anesthesiology in Chicago, IL

Active since April 14, 2019PECOS EnrolledAccepts Medicare Assignment
5841 S MARYLAND AVE # MC4028, CHICAGO, IL 60637(773) 702-6842 Get Directions Write a Review

NPPES record last updated: September 12, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 12, 2025, Nov 9, 2023, Jun 24, 2020 and 2 more (5 updates tracked since 2019).

About Thomas A Bielawiec Md NPPES

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

THOMAS A BIELAWIEC MD (NPI 1073076295) is an individual anesthesiology provider in Chicago, Illinois, licensed in Illinois (036163778) and active in the NPI registry since April 2019. He is enrolled in Medicare PECOS, is affiliated with The University Of Chicago Medical Center, and is a graduate of University Of Illinois College Of Med (chi/peor/rock/chm-urb) (2019).

NPPES Registry Identity

NPI1073076295
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameTHOMAS A BIELAWIECCredential: MD
Location Address5841 S MARYLAND AVE # MC4028Chicago, IL 60637-1443
Mailing Address180 Harvester Dr Ste 110Burr Ridge, IL 60527-6686 · (773) 702-1150
Phone(773) 702-6842
Sole ProprietorYes
Medical School CMSUniversity Of Illinois College Of Med (chi/peor/rock/chm-urb)Graduated 2019
Enumeration DateApril 14, 2019
Last NPPES UpdateSeptember 12, 20255 updates tracked since enumeration
NPPES CertifiedSeptember 12, 2025
✔ NPI 1073076295 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in IL · 036163778
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
Also ListedPain Medicine · Interventional Pain MedicineTaxonomy 208VP0014X · License 036163778 (IL)
5841 S MARYLAND AVE # MC4028, Chicago, IL 60637
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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 and accepts Medicare assignment

Thomas A Bielawiec Md 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 ID4688098262
PECOS Enrollment IDI20230926003165, I20250117002785
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

2

Medicare enrollment records show Thomas Bielawiec reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

The University Of Chicago Medical Center
Same address
General Acute Care Hospital
5841 S MARYLAND AVE
Chicago, IL 60637
  • Reassigned Medicare billing, Illinois enrollment
  • 1,905 clinicians in this Medicare group
NPI 1033218128 (773) 702-1530
University Of Chicago
Same address
Multi-Specialty
5841 S MARYLAND AVE, UCPG/MC 1099
Chicago, IL 60637
  • Reassigned Medicare billing, Illinois and Indiana enrollments
  • 2,237 clinicians in this Medicare group
NPI 1821048786 (773) 702-9200

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

Hospital Affiliations CMS Care Compare

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

The University Of Chicago Medical Center

Acute Care Hospitals · Chicago, IL
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140088
Location5841 South MarylandChicago, IL 60637 · Cook County
Emergency services Birthing friendly

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.

JORY S BOND
Anesthesiology
5841 S MARYLAND AVE # MC4028
CHICAGO, IL 60637
Cook County (773) 702-6842
JOHN SUN MD
Student in an Organized Health Care Education/Training Program
5841 S MARYLAND AVE # MC4028
CHICAGO, IL 60637
Cook County (773) 702-6842
KISHAN H PATEL MD
Anesthesiology
5841 S MARYLAND AVE # MC4028
CHICAGO, IL 60637
Cook County (773) 702-6842
JOHN CHARLES WOLF MD
Anesthesiology
5841 S MARYLAND AVE # MC4028
CHICAGO, IL 60637
Cook County (773) 702-6842
RAVEN WRIGHT MD
Anesthesiology
5841 S MARYLAND AVE # MC4028
CHICAGO, IL 60637
Cook County (773) 702-6842
DHAVAN NILESH SHAH MD
Anesthesiology
5841 S MARYLAND AVE # MC4028
CHICAGO, IL 60637
Cook County (773) 702-6842
MAX TUCKER ACKERMAN BS
Anesthesiology
5841 S MARYLAND AVE # MC4028
CHICAGO, IL 60637
Cook County (773) 702-6842
DR. DOUGLAS WILLIAM RYBAR MD
Anesthesiology
5841 S MARYLAND AVE # MC4028
CHICAGO, IL 60637
Cook County (773) 702-6842

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 Thomas Bielawiec's NPI number?

The NPI number for Thomas Bielawiec is 1073076295. It was assigned to this individual provider in the NPPES registry on April 14, 2019.

Where is Thomas Bielawiec located?

Thomas Bielawiec practices at 5841 S Maryland Ave # Mc4028, Chicago, IL 60637. The listed phone number is (773) 702-6842.

What is Thomas Bielawiec's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Thomas Bielawiec enrolled in Medicare?

Yes. Thomas Bielawiec 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.

Which organizations bill Medicare for Thomas Bielawiec's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Thomas Bielawiec reassigns Medicare benefits to 2 organizations: The University Of Chicago Medical Center (Chicago, IL) and University Of Chicago (Chicago, IL). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Thomas Bielawiec's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Thomas Bielawiec affiliated with any hospitals?

According to CMS data, Thomas Bielawiec is affiliated with The University Of Chicago Medical Center.

When was this NPI record last updated?

The NPPES record for Thomas Bielawiec was last updated on September 12, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.