Jonathan Tresley, MD
NPI 1043451081 · Diagnostic Radiology Physician · Downers Grove, IL
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jonathan Tresley, MD is a Diagnostic Radiology Physician provider in Downers Grove, IL (NPI 1043451081).
Provider details
- NPI number
- 1043451081
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 63497 (WI)
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 tenure25% of score
17 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
4,369 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 | 954 | $8 |
| Ct Scan Head Or Brain Without Contrast70450 | 420 | $39 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 172 | $86 |
| X-Ray of Chest, 2 Views71046 | 167 | $10 |
| Ct Scan of Upper Spine Without Contrast72125 | 167 | $47 |
| Ultrasound Study of Arm Or Leg Veins With Compression and Maneuvers93970 | 130 | $33 |
| Ct Scan of Blood Vessels of Chest With Contrast |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$124 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-03-22
- Last updated
- 2026-03-06
- Certified
- 2026-03-06
Frequently asked questions
- What is Jonathan Tresley's NPI number?
- Jonathan Tresley's National Provider Identifier (NPI) is 1043451081, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jonathan Tresley's specialty?
- Jonathan Tresley is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Jonathan Tresley located?
- Jonathan Tresley's practice location on file with NPPES is 3815 Highland Ave Dept of, Downers Grove, IL 60515-1500.
- What is Jonathan Tresley's phone number?
- The practice phone number listed in the NPPES registry for Jonathan Tresley is (630) 581-6511.
- Does Jonathan Tresley accept Medicare?
- Jonathan Tresley is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jonathan Tresley's NPI active?
- Yes — Jonathan Tresley's NPI (1043451081) is active in the NPPES registry as of the last update on 2026-03-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.