Doctor profile · Federal record

Dr. Dorothy Bloniarz, M.D.

Rheumatology Physician · Chicago, IL

  • NPI 1841365939
  • 20 yrs on file
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
5325 W Belmont Ave
Chicago, IL 606414104
(773) 283-5700
fax (773) 283-6450

Credentials & registration

NPPES · NUCC
NPI registered
November 2006 — 20 yrs on file
Profile last updated
October 12, 2012
Specialty taxonomy
207RR0500X — NUCC code
State license (1)
Illinois #036129110

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1841365939. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$426
Transactions
13
Manufacturers
6
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 5 $150.75
GlaxoSmithKline, LLC. 3 $140.12
Shield Therapeutics INC 1 $51.25
Boehringer Ingelheim Pharmaceuticals, INC. 2 $39.22
Celgene Corporation 1 $22.39
Ucb, INC. 1 $22.13

By nature of payment

Food and Beverage
$426

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
112
Patients
13
Total drug cost
$89,193
Drug Type Claims Patients Total cost
Prednisone Generic 41 13 $345
Methotrexate (Methotrexate Sodium) Brand 37 0 $766
Tramadol Hcl Generic 21 0 $116
Enbrel (Etanercept) Brand 13 0 $87,966

Frequently asked questions

Auto-generated from federal data
What is Dr. Dorothy Bloniarz's medical specialty?
Dr. Dorothy Bloniarz practices Rheumatology Physician in Chicago, IL.
Where does Dr. Dorothy Bloniarz practice?
Dr. Dorothy Bloniarz practices at 5325 W Belmont Ave, Chicago, IL 606414104. Office phone: 7732835700.
What is Dr. Dorothy Bloniarz's NPI?
Dr. Dorothy Bloniarz's National Provider Identifier (NPI) is 1841365939, issued by NPPES.