NPPES file of Aug 9, 2026

William Leland Zelkovich, M.D.

Diagnostic Radiology Physician · Springfield, IL

William Leland Zelkovich, M.D. is a diagnostic radiology physician with a practice address in Springfield, Illinois, and NPI 1982915302, issued on Jun 30, 2010. Check the license (Illinois 036.138481, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1982915302
Name
William Leland Zelkovich
Credential
M.D.
Primary taxonomy
Diagnostic Radiology Physician 2085R0202X
License number
036.138481 IL
Self-reported in NPPES; status is on the state search
Practice location
701 N 1St, Springfield, IL 62702
Phone
(217) 545-0193
Enumerated
Jun 30, 2010
Record last updated
Jul 29, 2016 (not updated in 10 years: call before relying on the address or phone)
Fax
(217) 545-0193
Medicare enrollment
Enrolled (PECOS I20160830001052); accepts Medicare assignment
Medical or professional school
University Of Illinois College Of Med (Chi/Peor/Rock/Chm-Urb), 2010
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 701 N 1St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Sydney Brewer, MDEmergency Medicine Physician1497449730
  2. Thomas Johnston, MDEmergency Medicine Physician1184517260
  3. Sean Kostolansky, D.O.Emergency Medicine Physician1871976548
  4. Miguel Ortiz Rivera, MDSurgery Physician1386276392
  5. Tara Trent, PA-CPhysician Assistant1295174779

Verify William Leland Zelkovich in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
    Search for license 036.138481
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Illinois license search

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Bills Medicare through 2 group practices

  1. Advanced Midwest Radiology S CHomer Glen, IL
  2. Central Illinois Radiological Associates LtdHomer Glen, IL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

129 diagnostic radiology physician records list a practice address in Springfield

They are 129 of the 4,997 NPPES records with a practice address in Springfield, and 1,874 diagnostic radiology physician records in Illinois.

Other diagnostic radiology physician records in Illinois

  1. Samir Abboud, MDChicago, IL1124361324
  2. Sarah Abdel-HadiChicago, IL1932846490
  3. Gerges Abdelsayed, MBBCH BAOMaywood, IL1942902606
  4. Hiroyuki AbeChicago, IL1275684243
  5. Nicole Abedrabbo, MDChicago, IL1629872395
  6. Rita Abejo, MDChicago, IL1477509537
  7. Matthew Abell, M.D.Springfield, IL1568726826
  8. Kinan Abou-Kassem, MDSpringfield, IL1609405026
  9. Srishti Abrol, MDChicago, IL1396240214
  10. Sharon Adam, M.D.Chicago, IL1619361763

Common questions

What is William Leland Zelkovich, M.D.'s NPI number?

William Leland Zelkovich, M.D.'s National Provider Identifier (NPI) is 1982915302, issued on Jun 30, 2010. An NPI identifies a provider in billing; it is not a license.

Where is William Leland Zelkovich, M.D. located?

The NPPES record lists a practice address at 701 N 1St, Springfield, IL, 62702. Phone: (217) 545-0193. Providers update this record themselves, so call before visiting.

How can I verify William Leland Zelkovich, M.D.'s license?

NPPES lists Illinois license number 036.138481, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. 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.