Bozena Biernat, MD
NPI 1003890864 · Internal Medicine Physician · De Pere, WI
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Bozena Biernat, MD is a Internal Medicine Physician provider in De Pere, WI (NPI 1003890864).
Provider details
- NPI number
- 1003890864
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 45784 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
7,205 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 1,542 | $9 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 781 | $8 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 738 | $10 |
| Blood Test, Lipids (cholesterol and Triglycerides)80061 | 647 | $13 |
| Hemoglobin A1c Level83036 | 504 | $10 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 427 | $121 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 214 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 1,200 | 284 |
| Rosuvastatin Calcium | 803 | 221 |
| Atorvastatin Calcium | 730 | 197 |
| Amlodipine Besylate | 620 | 170 |
| Losartan Potassium | 548 | 148 |
| Omeprazole | 459 | 113 |
| Simvastatin |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-12-05
- Last updated
- 2014-02-27
Frequently asked questions
- What is Bozena Biernat's NPI number?
- Bozena Biernat's National Provider Identifier (NPI) is 1003890864, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Bozena Biernat's specialty?
- Bozena Biernat is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Bozena Biernat located?
- Bozena Biernat's practice location on file with NPPES is 555 Redbird Cir, De Pere, WI 54115-7977.
- What is Bozena Biernat's phone number?
- The practice phone number listed in the NPPES registry for Bozena Biernat is (920) 338-6870.
- Does Bozena Biernat accept Medicare?
- Bozena Biernat is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Bozena Biernat's NPI active?
- Yes — Bozena Biernat's NPI (1003890864) is active in the NPPES registry as of the last update on 2014-02-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.