Steven J. Bielski, M.D.
Endocrinology, Diabetes & Metabolism Physician · Geneva, IL
Steven J. Bielski, M.D. is an endocrinology, diabetes & metabolism physician with a practice address in Geneva, Illinois, and NPI 1144227570, issued on Jun 30, 2005. Check the license (Illinois 036075882, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Steven J. Bielski
- Credential
- M.D.
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- 036075882 IL
Self-reported in NPPES; status is on the state search - Practice location
- 302 Randall RD, Geneva, IL 60134
- Phone
- (630) 208-6775
- Enumerated
- Jun 30, 2005
- Record last updated
- Apr 9, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (630) 208-7937
- Medicaid ID
- 036075882 IL
- Medicare enrollment
- Enrolled (PECOS I20100802000464); accepts Medicare assignment
- Medical or professional school
- Loyola University Of Chicago, Stritch School Of Medicine, 1986
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 436 in Illinois → Look up another NPI →
Also registered at 302 Randall RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Kristina Bustamante, PHD, MA, BS, CCC-SLPSpeech-Language Pathologist1003206798
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Verify Steven J. Bielski 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 036075882Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.8 times the Medicare Part D claims of the average endocrinology, diabetes & metabolism physician in 2024
7,355 Medicare Part D claims for 961 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 60% of claims.
Most prescribed
- Levothyroxine Sodium1,382 claims
- Ozempic704 claims
- Synthroid600 claims
- Lantus Solostar493 claims
- Metformin Hcl363 claims
- Nano 2nd Gen Pen Needle315 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.
The MIPS final score for 2023 (Medicare payment program): 94.1 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $577.94
6 payments; by number, the most common kind was food and beverage; the largest payer was Lilly USA, LLC. The 5,661 providers of this specialty with any payment received $5,742.15 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.
Bills Medicare through one group practice
- Central Dupage Physician GroupGeneva, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Steven J. Bielski among 436 endocrinology, diabetes & metabolism physician records in Illinois
Steven J. Bielski, M.D. is one of 436 endocrinology, diabetes & metabolism physician records with a practice address in Illinois. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 95% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated1986 · median 2006 among the 295 with a school on file
- Record last updated2013 · 46% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in Illinois
There are 436 endocrinology, diabetes & metabolism physician records in Illinois.
All 436 in Illinois → Every provider in Geneva → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Elisa Hofmann, M.D.Geneva, IL 601341043217490
- Tiffany Karas, MDGeneva, IL 601341013993336
- Zeenat Parveen, M.D.Geneva, IL 601341912099060
- Demetra Rupp, M.D.Geneva, IL 601341518131903
- Karthik Subbu, M.D.Geneva, IL 601341760974950
- Hafsa Amjed, M.DGlen Ellyn, IL 601371104272798
- Winnie Nhan, DOGlen Ellyn, IL 601371245681709
- Nasrin Azad, MDHines, IL 601411831270909
Common questions
What is Steven J. Bielski, M.D.'s NPI number?
Steven J. Bielski, M.D.'s National Provider Identifier (NPI) is 1144227570, issued on Jun 30, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Steven J. Bielski, M.D. located?
The NPPES record lists a practice address at 302 Randall RD, Geneva, IL, 60134. Phone: (630) 208-6775. Providers update this record themselves, so call before visiting.
How can I verify Steven J. Bielski, M.D.'s license?
NPPES lists Illinois license number 036075882, 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 Steven J. Bielski, M.D. prescribe under Medicare Part D?
In 2024, Steven J. Bielski, M.D. had 7,355 Medicare Part D claims for 961 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. Part D covers Medicare prescriptions only.
What is Steven J. Bielski, M.D.'s MIPS final score?
The 2023 MIPS final score is 94.1 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.