Jacek Bednarz, DO
Family Medicine Physician · Aberdeen, SD
Jacek Bednarz, DO is a family medicine physician with a practice address in Aberdeen, South Dakota, and NPI 1255911145, issued on Apr 13, 2021. Check the license (South Dakota 15558, as entered in NPPES) on the South Dakota Board of Medical and Osteopathic Examiners; the Medicare figures below come from public CMS files.
- Name
- Jacek Bednarz
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 15558 SD
Self-reported in NPPES; status is on the state search - Practice location
- 105 S State St Ste 113, Aberdeen, SD 57401
- Phone
- (605) 225-0378
- Enumerated
- Apr 13, 2021
- Record last updated
- Jul 19, 2024
- Medicare enrollment
- Enrolled (PECOS I20241003003855); accepts Medicare assignment
- Medical or professional school
- Lincoln Mem Univ, Debusk Col Of Osteopathic Med, 2021
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 601 in South Dakota → Look up another NPI →
Also registered at 105 S State St Ste 113
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kendall Dyke, CNPFamily Nurse Practitioner1558029173
- Michele Hoellein, PACPhysician Assistant1184143232
- Layne Holzer, FNP-CNurse Practitioner1346056983
- Michele HudsonFamily Nurse Practitioner1609535624
- Julie Johnson, NPFamily Nurse Practitioner1386906733
- Matthew Lutjens, CNPFamily Nurse Practitioner1023568516
Verify Jacek Bednarz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersSouth Dakota Board of Medical and Osteopathic Examiners
Search for license 15558Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
35% fewer Medicare Part D claims than the average family medicine physician in 2024
2,301 Medicare Part D claims for 252 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 23 claims were for opioids.
Most prescribed
- Atorvastatin Calcium124 claims
- Amlodipine Besylate118 claims
- Omeprazole101 claims
- Losartan Potassium84 claims
- Gabapentin81 claims
- Metformin Hcl Er74 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.
One hospital affiliation
- Avera St LukesAberdeen, SD · Acute Care Hospitals4 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Jacek Bednarz among 601 family medicine physician records in South Dakota
Jacek Bednarz, DO is one of 601 family medicine physician records with a practice address in South Dakota. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 91% of them.
- NPI issued2021 · 91% of these records are older, 6% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated2021 · median 2008 among the 393 with a school on file
- Record last updated2024 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a South Dakota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
20 family medicine physician records list a practice address in Aberdeen
They are 20 of the 758 NPPES records with a practice address in Aberdeen, and 601 family medicine physician records in South Dakota.
All 601 in South Dakota → Every provider in Aberdeen → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Lyle Biegler, MDAberdeen, SD 574011023057429
- Jeffrey Bock, MDAberdeen, SD 574011649274481
- Paul Denna, M.D.Aberdeen, SD 574011376838839
- Harvey Hart, MDAberdeen, SD 574011881659928
- Ingrid Hernberg, MDAberdeen, SD 574011982618641
- Reid Holkesvik, MDAberdeen, SD 574011285699322
- Michael Knapp, DOAberdeen, SD 574011215905518
- Kathryn Martinez, MDAberdeen, SD 574011043693849
Common questions
What is Jacek Bednarz, DO's NPI number?
Jacek Bednarz, DO's National Provider Identifier (NPI) is 1255911145, issued on Apr 13, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Jacek Bednarz, DO located?
The NPPES record lists a practice address at 105 S State St Ste 113, Aberdeen, SD, 57401. Phone: (605) 225-0378. Providers update this record themselves, so call before visiting.
How can I verify Jacek Bednarz, DO's license?
NPPES lists South Dakota license number 15558, as entered by the provider. Search the South Dakota Board of Medical and Osteopathic Examiners at https://www.sdbmoe.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Jacek Bednarz, DO prescribe under Medicare Part D?
In 2024, Jacek Bednarz, DO had 2,301 Medicare Part D claims for 252 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.