Leszek J. Jaszczak, M.D.
Diagnostic Radiology Physician · Williston, ND
Leszek J. Jaszczak, M.D. is a diagnostic radiology physician with a practice address in Williston, North Dakota, and NPI 1467528455, issued on Nov 28, 2006. Check the license (North Dakota 7782, as entered in NPPES) on the North Dakota Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Leszek J. Jaszczak
- Credential
- M.D.
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License number
- 7782 ND
Self-reported in NPPES; status is on the state search - Practice location
- 3 4TH St E, Williston, ND 58801
- Phone
- (701) 577-6337
- Enumerated
- Nov 28, 2006
- Record last updated
- Mar 17, 2009 (not updated in 17 years: call before relying on the address or phone)
- Medicaid ID
- 10182 ND
- Medicare enrollment
- Enrolled (PECOS I20260202001935); accepts Medicare assignment
- Medical or professional school
- Wayne State University School Of Medicine, 1993
- Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 106 in North Dakota → Look up another NPI →
Also registered at 3 4TH St E
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alexis Barten, PT, DPTPhysical Therapist1104030915
- Chad Bowen, PAPhysician Assistant1588162614
- Misty Falcon, NPFamily Nurse Practitioner1417983164
Verify Leszek J. Jaszczak in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNorth Dakota Board of Medicine
Search for license 7782Check 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 hospitals and group practices
- Cmsc LLCGreat Falls, MT
- Fallon Medical Complex IncBaker, MT
- Inland Imaging Associates PSMissoula, MT
- Inland Imaging LLCSpokane, WA
- Integra Imaging PSSpokane, WA
- Mckenzie County Healthcare Systems IncWatford City, ND · Critical Access Hospitals
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).
Leszek J. Jaszczak among 106 diagnostic radiology physician records in North Dakota
Leszek J. Jaszczak, M.D. is one of 106 diagnostic radiology physician records with a practice address in North Dakota. 69% 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 5% of them.
- NPI issued2006 · 5% of these records are older, 49% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated1993 · median 2006 among the 71 with a school on file
- Record last updated2009 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a North Dakota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Diagnostic Radiology Physician providers in North Dakota
There are 106 diagnostic radiology physician records in North Dakota.
All 106 in North Dakota → Every provider in Williston → Diagnostic Radiology Physician nationwide →
The 8 diagnostic radiology physician records with the nearest ZIP codes
- Mark Krakovitz, MDWilliston, ND 588011922046242
- Glenn Moradian, MDWilliston, ND 588011356349955
- Madhusudhan Reddy, MDWilliston, ND 588011639389133
- Jennifer Jordan, ARRT(R)New Town, ND 587631659845907
- Douglas MaiNew Town, ND 587631124511415
- Robert Anderson, M.D.Minot, ND 587021992836100
- Shannon Calhoun, D.O.Minot, ND 587011598715278
- Farzodd Hanjani, MDMinot, ND 587011255530853
Common questions
What is Leszek J. Jaszczak, M.D.'s NPI number?
Leszek J. Jaszczak, M.D.'s National Provider Identifier (NPI) is 1467528455, issued on Nov 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Leszek J. Jaszczak, M.D. located?
The NPPES record lists a practice address at 3 4TH St E, Williston, ND, 58801. Phone: (701) 577-6337. Providers update this record themselves, so call before visiting.
How can I verify Leszek J. Jaszczak, M.D.'s license?
NPPES lists North Dakota license number 7782, as entered by the provider. Search the North Dakota Board of Medicine at https://www.ndbom.org/. 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.