Steven Bielski, M.D.
NPI 1144227570 · Endocrinology, Diabetes & Metabolism Physician · Geneva, IL
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Steven Bielski, M.D. is a Endocrinology, Diabetes & Metabolism Physician provider in Geneva, IL (NPI 1144227570).
Provider details
- NPI number
- 1144227570
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 036075882 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
2,779 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 991 | $135 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 907 | $17 |
| Hemoglobin A1c Level83036 | 455 | $10 |
| Continuous Monitoring of Blood Sugar Level in Tissue Fluid Using Sensor Under Skin With Interpretation and Report95251 | 260 | $36 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 71 | $15 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 60 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 1,382 | 307 |
| Semaglutidebrand: Ozempic | 704 | 133 |
| Levothyroxine Sodiumbrand: Synthroid | 600 | 127 |
| Insulin Glargine,hum.rec.anlogbrand: Lantus Solostar | 493 | 159 |
| Metformin Hcl | 363 | 112 |
| Pen Needle, Diabeticbrand: Nano 2nd Gen Pen Needle | 315 | 121 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$578 across 6 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-06-30
- Last updated
- 2013-04-09
Frequently asked questions
- What is Steven Bielski's NPI number?
- Steven Bielski's National Provider Identifier (NPI) is 1144227570, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Steven Bielski's specialty?
- Steven Bielski is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Steven Bielski located?
- Steven Bielski's practice location on file with NPPES is 302 Randall Rd, Geneva, IL 60134-4209.
- What is Steven Bielski's phone number?
- The practice phone number listed in the NPPES registry for Steven Bielski is (630) 208-6775.
- Does Steven Bielski accept Medicare?
- Steven Bielski is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Steven Bielski's NPI active?
- Yes — Steven Bielski's NPI (1144227570) is active in the NPPES registry as of the last update on 2013-04-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.