Robert Jajko, M.D.
NPI 1578790309 · Diagnostic Radiology Physician · Downers Grove, IL
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robert Jajko, M.D. is a Diagnostic Radiology Physician provider in Downers Grove, IL (NPI 1578790309).
Provider details
- NPI number
- 1578790309
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 036128946 (IL)
Specialties & taxonomies
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
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
3,532 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) |
|---|---|---|
| Ct Scan Head Or Brain Without Contrast70450 | 351 | $39 |
| X-Ray of Chest, 1 View71045 | 304 | $8 |
| Screening 3d Breast Mammography77063 | 236 | $28 |
| Screening Mammography77067 | 236 | $36 |
| 3d Radiographic Procedure76376 | 235 | $9 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 194 | $85 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$260 across 7 records (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
Additional practice locations (1)
- 1740 W Taylor StDept of Radiology M/C 931Chicago, IL 60612-7232Phone: (800) 842-1002
Registry dates
- Enumerated
- 2009-06-19
- Last updated
- 2026-02-19
- Certified
- 2026-02-19
Frequently asked questions
- What is Robert Jajko's NPI number?
- Robert Jajko's National Provider Identifier (NPI) is 1578790309, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Jajko's specialty?
- Robert Jajko is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Jajko located?
- Robert Jajko's practice location on file with NPPES is 3815 Highland Ave, Downers Grove, IL 60515-1500.
- What is Robert Jajko's phone number?
- The practice phone number listed in the NPPES registry for Robert Jajko is (630) 275-5900.
- Does Robert Jajko accept Medicare?
- Robert Jajko is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robert Jajko's NPI active?
- Yes — Robert Jajko's NPI (1578790309) is active in the NPPES registry as of the last update on 2026-02-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.