Bozena J. Biernat, MD
Internal Medicine Physician · De Pere, WI
Bozena J. Biernat, MD is an internal medicine physician with a practice address in De Pere, Wisconsin, and NPI 1003890864, issued on Dec 5, 2005. Check the license (Wisconsin 45784, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Bozena J. Biernat
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 45784 WI
Self-reported in NPPES; status is on the state search - Practice location
- 555 Redbird Cir, De Pere, WI 54115
- Phone
- (920) 338-6870
- Enumerated
- Dec 5, 2005
- Record last updated
- Feb 27, 2014 (not updated in 12 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20040322000918); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 555 Redbird Cir
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Caitlin Barr, MDPediatrics Physician1366930745
- Karen Camilli, MDPediatrics Physician1619951498
- Charis Carter, DPTPhysical Therapist1033980370
- Mackenzi Conard, LPCProfessional Counselor1457191116
- Ashley Dudka, OTROccupational Therapist1346981453
- Rachael Ellis, MDPediatrics Physician1558604785
Verify Bozena J. Biernat in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 45784Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
6.5 times the Medicare Part D claims of the average internal medicine physician in 2024
20,511 Medicare Part D claims for 1,124 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 657 claims were for opioids.
Most prescribed
- Levothyroxine Sodium1,200 claims
- Rosuvastatin Calcium803 claims
- Atorvastatin Calcium730 claims
- Amlodipine Besylate620 claims
- Losartan Potassium548 claims
- Omeprazole459 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.
Bills Medicare through one group practice
- Bellin Memorial Hospital IncDe Pere, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
11 internal medicine physician records list a practice address in De Pere
They are 11 of the 621 NPPES records with a practice address in De Pere, and 2,078 internal medicine physician records in Wisconsin.
All 11 in De Pere → All 2,078 in Wisconsin → Every provider in De Pere →
Other internal medicine physician records in Wisconsin
- Sheetal Aatrai, MDMarshfield, WI1417568965
- Khalid Abdelgadir, MDManitowoc, WI1407433295
- Mesfin Abdissa, MDMilwaukee, WI1376579417
- Anas Abed, MDMadison, WI1659002566
- Margaret Abel, MDRhinelander, WI1477590487
- Mesfin Abera, M.D.Beaver Dam, WI1972852390
- Vidthya Abraham, M.D.Madison, WI1861836058
- Ismael Abu Limon, MDGreenfield, WI1467945543
- Amjed Abu Muhanna, MDMarinette, WI1861514135
- Satish Achanti, MDAppleton, WI1982711198
Common questions
What is Bozena J. Biernat, MD's NPI number?
Bozena J. Biernat, MD's National Provider Identifier (NPI) is 1003890864, issued on Dec 5, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Bozena J. Biernat, MD located?
The NPPES record lists a practice address at 555 Redbird Cir, De Pere, WI, 54115. Phone: (920) 338-6870. Providers update this record themselves, so call before visiting.
How can I verify Bozena J. Biernat, MD's license?
NPPES lists Wisconsin license number 45784, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Bozena J. Biernat, MD prescribe under Medicare Part D?
In 2024, Bozena J. Biernat, MD had 20,511 Medicare Part D claims for 1,124 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.