Jonathan Vonk, MD
NPI 1841717345 · Diagnostic Radiology Physician · Springfield, IL
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jonathan Vonk, MD is a Diagnostic Radiology Physician provider in Springfield, IL (NPI 1841717345).
Provider details
- NPI number
- 1841717345
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 8095 (NE)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
8 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
884 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) |
|---|---|---|
| X-Ray of Chest, 1 View71045 | 173 | $8 |
| Ct Scan Head Or Brain Without Contrast70450 | 126 | $37 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 113 | $80 |
| Ct Scan of Abdomen and Pelvis Without Contrast74176 | 86 | $76 |
| Ct Scan of Blood Vessels of Chest With Contrast71275 | 75 | $78 |
| Ct Scan of Chest Without Contrast71250 | 40 | $46 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2017-08-24
- Last updated
- 2025-05-06
- Certified
- 2025-05-06
Frequently asked questions
- What is Jonathan Vonk's NPI number?
- Jonathan Vonk's National Provider Identifier (NPI) is 1841717345, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jonathan Vonk's specialty?
- Jonathan Vonk is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Jonathan Vonk located?
- Jonathan Vonk's practice location on file with NPPES is 800 E Carpenter St, Springfield, IL 62769-2353.
- What is Jonathan Vonk's phone number?
- The practice phone number listed in the NPPES registry for Jonathan Vonk is (217) 544-6464.
- Does Jonathan Vonk accept Medicare?
- Jonathan Vonk is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jonathan Vonk's NPI active?
- Yes — Jonathan Vonk's NPI (1841717345) is active in the NPPES registry as of the last update on 2025-05-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.