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
- Entity
- Type 1 · individual
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, NPNurse 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 3,519 among the 111,126 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 or facility affiliation
- Avera St LukesAberdeen, SD · Acute Care Hospitals4 of 5 stars
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
20 family medicine physician records list a Aberdeen practice address
They are 20 of the 758 NPPES records with a Aberdeen practice address, and 584 family medicine physician records in South Dakota.
All 20 in Aberdeen → All 584 in South Dakota → Every provider in Aberdeen →
Other family medicine physician records in South Dakota
- Gordon Abernathie, D.O.Rapid City, SD1053316174
- Kyle Adams, D.O.Rapid City, SD1881009496
- Mary Ahlers, DOBrookings, SD1609301365
- Alese Allerdings, M.D.De Smet, SD1285926261
- Jay Allison, MDSioux Falls, SD1235195041
- E. Amundson, MDSioux Falls, SD1144220914
- Sylvia Anderson, MDFaulkton, SD1790891844
- Wayne Anderson, MDSpearfish, SD1902834914
- Roberto Anel, MDSioux Falls, SD1841411444
- Emily Arnts, MDSioux Falls, SD1407434384
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 3,519. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.