Doctor profile · Federal record

Dr. Joanna Niewiara

Certified Registered Nurse Anesthetist (CMS: Certified Registered Nurse Anesthetist (CRNA)) · Registered Nurse · Clinical Nurse Specialist · Chicago, IL

  • NPI 1346895372
  • Accepts Medicare
  • 7 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
251 E Huron St
Chicago, IL 60611
(312) 926-2000
Additional location
155 E. Brush Hill RD., Department of Anesthesia
Elmhurst, IL 601265658
(331) 221-3521
fax (331) 221-3827
Additional location
3134 N Clark St
Chicago, IL 606574414
(312) 766-4949
fax (312) 766-4908
Mailing address
1449 Fox Path Ln
Hoffman Estates, IL 601924402

Credentials & registration

NPPES · NUCC
NPI registered
August 2019 — 7 yrs on file
Profile last updated
October 1, 2024
Year of graduation
2019 — 7 yrs since
Specialty taxonomy
367500000X — NUCC code
State licenses (3)
Illinois #209020187 · Illinois #041421372 · Illinois #209-020187

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1346895372. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
25
Distinct HCPCS
1
Medicare allowed
$2,332
HCPCS Description Services Patients Avg allowed
00731 Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 25 25 $93

In context: peer comparison

Among 107 peers in this city , average services per provider: 30. This provider delivers 0.8× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$63
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Regeneron Healthcare Solutions, Inc. 1 $35.27
Chiesi USA, Inc. 1 $28.21

By nature of payment

Food and Beverage
$63

Frequently asked questions

Auto-generated from federal data
What is Dr. Joanna Niewiara's medical specialty?
Dr. Joanna Niewiara practices Certified Registered Nurse Anesthetist in Chicago, IL.
Where does Dr. Joanna Niewiara practice?
Dr. Joanna Niewiara practices at 251 E Huron St, Chicago, IL 60611. Office phone: 3129262000.
What is Dr. Joanna Niewiara's NPI?
Dr. Joanna Niewiara's National Provider Identifier (NPI) is 1346895372, issued by NPPES.
Does Dr. Joanna Niewiara accept Medicare assignment?
Yes. Dr. Joanna Niewiara accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Joanna Niewiara commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (HCPCS 00731). Source: CMS Medicare Physician & Other Practitioners file.