Marijan Jednacak, MD
Anesthesiology Physician · Kenosha, WI
Marijan Jednacak, MD is an anesthesiology physician with a practice address in Kenosha, Wisconsin, and NPI 1104842707, issued on Jul 15, 2006. Check the license (Wisconsin 45210020, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Marijan Jednacak
- Credential
- MD
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- 45210020 WI
Self-reported in NPPES; status is on the state search - Practice location
- 10400 75TH St, Kenosha, WI 53142
- Phone
- (262) 697-7000
- Enumerated
- Jul 15, 2006
- Record last updated
- Jan 2, 2025
- Medicaid ID
- 34609400 WI
- Medicare enrollment
- Enrolled (PECOS I20050127000912); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 1,313 in Wisconsin → Look up another NPI →
Also registered at 10400 75TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Marijan Jednacak in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 45210020Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Aurora Medical Group, Inc.Milwaukee, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marijan Jednacak among 1,313 anesthesiology physician records in Wisconsin
Marijan Jednacak, MD is one of 1,313 anesthesiology physician records with a practice address in Wisconsin. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 20% of them.
- NPI issued2006 · 20% of these records are older, 49% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1993 · median 2006 among the 872 with a school on file
- Record last updated2025 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
24 anesthesiology physician records list a practice address in Kenosha
They are 24 of the 1,852 NPPES records with a practice address in Kenosha, and 1,313 anesthesiology physician records in Wisconsin.
All 1,313 in Wisconsin → Every provider in Kenosha → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- Maryann Chrzaszcz, D.O.Kenosha, WI 531421750777470
- Akiko InoueKenosha, WI 531421780941344
- Radhika KrishnanKenosha, WI 531421790216604
- Timothy MaherKenosha, WI 531421275976086
- Kelan Moore, M.D.Kenosha, WI 531421912986589
- Kishwar Naz, M.D.Kenosha, WI 531421346475266
- Karen Peterson, M.D.Kenosha, WI 531421699091215
- Michael Pugnale, MDKenosha, WI 531421881031474
Common questions
What is Marijan Jednacak, MD's NPI number?
Marijan Jednacak, MD's National Provider Identifier (NPI) is 1104842707, issued on Jul 15, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Marijan Jednacak, MD located?
The NPPES record lists a practice address at 10400 75TH St, Kenosha, WI, 53142. Phone: (262) 697-7000. Providers update this record themselves, so call before visiting.
How can I verify Marijan Jednacak, MD's license?
NPPES lists Wisconsin license number 45210020, 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.
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.