Dorothy Katherine Bloniarz, M.D.
Rheumatology Physician · Chicago, IL
Dorothy Katherine Bloniarz, M.D. is a rheumatology physician with a practice address in Chicago, Illinois, and NPI 1841365939, issued on Nov 22, 2006. Check the license (Illinois 036129110, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Dorothy Katherine Bloniarz
- Credential
- M.D.
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License number
- 036129110 IL
Self-reported in NPPES; status is on the state search - Practice location
- 5325 W Belmont Ave, Chicago, IL 60641
- Phone
- (773) 283-5700
- Enumerated
- Nov 22, 2006
- Record last updated
- Oct 12, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (773) 283-6450
- Entity
- Type 1 · individual
Also registered at 5325 W Belmont Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Grzegorz KrawczykMechanotherapist1639530488
Verify Dorothy Katherine Bloniarz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036129110Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
85% fewer Medicare Part D claims than the average rheumatology physician in 2024
294 Medicare Part D claims for 41 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 37 claims were for opioids.
Most prescribed
- Prednisone60 claims
- Methotrexate56 claims
- Tramadol Hcl32 claims
- Enbrel Sureclick21 claims
- Gabapentin14 claims
- Alendronate Sodium13 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $425.86
13 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 4,486 providers of this specialty with any payment received $8,538.33 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Rheumatology Physician providers in Illinois
There are 340 rheumatology physician records in Illinois.
Other rheumatology physician records in Illinois
- Haneen Abdalhadi, MDRockford, IL1750887592
- Suhair Abdel-Jalil, MDEvanston, IL1174572929
- Hrudya Abraham, MDPeoria, IL1497135750
- Elaine Adams, MDMaywood, IL1699752592
- Emem Adolf-Ubokudom, M.D.Chicago, IL1861780603
- Shri Agrawal, M.D.Chicago, IL1912937178
- Umber Ahmad, DOMcHenry, IL1083957153
- Saba AhmedChicago, IL1861448003
- Harpinder Ajmani, M.D.Chicago, IL1720101066
- Iqbal Akhter, M.D.Mount Vernon, IL1083719991
Common questions
What is Dorothy Katherine Bloniarz, M.D.'s NPI number?
Dorothy Katherine Bloniarz, M.D.'s National Provider Identifier (NPI) is 1841365939, issued on Nov 22, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Dorothy Katherine Bloniarz, M.D. located?
The NPPES record lists a practice address at 5325 W Belmont Ave, Chicago, IL, 60641. Phone: (773) 283-5700. Providers update this record themselves, so call before visiting.
How can I verify Dorothy Katherine Bloniarz, M.D.'s license?
NPPES lists Illinois license number 036129110, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Dorothy Katherine Bloniarz, M.D. prescribe under Medicare Part D?
In 2024, Dorothy Katherine Bloniarz, M.D. had 294 Medicare Part D claims for 41 beneficiaries; the average among rheumatology physician prescribers was 1,978. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.