William Zelkovich, M.D.
NPI 1982915302 · Diagnostic Radiology Physician · Springfield, IL
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Zelkovich, M.D. is a Diagnostic Radiology Physician provider in Springfield, IL (NPI 1982915302).
Provider details
- NPI number
- 1982915302
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 036.138481 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
16 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
4,379 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Ct Scan Head Or Brain Without Contrast70450 | 847 | $39 |
| X-Ray of Chest, 1 View71045 | 768 | $9 |
| X-Ray of Chest, 2 Views71046 | 356 | $10 |
| Ct Scan of Upper Spine Without Contrast72125 | 286 | $47 |
| Ct Scan of Blood Vessels of Chest With Contrast71275 | 188 | $86 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 185 | $86 |
| Ultrasound Study of Arm Or Leg Veins With Compression and Maneuvers |
Practice location
Mailing address
Registry dates
- Enumerated
- 2010-06-30
- Last updated
- 2016-07-29
Frequently asked questions
- What is William Zelkovich's NPI number?
- William Zelkovich's National Provider Identifier (NPI) is 1982915302, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Zelkovich's specialty?
- William Zelkovich is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is William Zelkovich located?
- William Zelkovich's practice location on file with NPPES is 701 N 1st, Springfield, IL 62702.
- What is William Zelkovich's phone number?
- The practice phone number listed in the NPPES registry for William Zelkovich is (217) 545-0193.
- Does William Zelkovich accept Medicare?
- William Zelkovich is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Zelkovich's NPI active?
- Yes — William Zelkovich's NPI (1982915302) is active in the NPPES registry as of the last update on 2016-07-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.