DAVID R ONSAGER – Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician, NPI 1396829156
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician
Main info
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Profile Insights
NPPES metrics only — not quality of care.
131 CARDIAC SURGERY in IL
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Provider Addresses for DAVID R ONSAGER
405 FOX RUN RD
LIBERTYVILLE, IL 600482483
Phone: (630) 839-9331
Type: Mailing
Au Bon Pain, 5841, South Maryland Avenue, Hyde Park, Chicago, Hyde Park Township, Cook County, Illinois, 60637, United States
CHICAGO, IL 606371443
Phone: (888) 824-0200
Type: Location
150 HARVESTER DR
SUITE 300
BURR RIDGE, IL 605275919
Phone:
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 17 Open Payments records for all available years, with a total value of $507.
Total Amount is formed as General ($507) + Research ($0) + Ownership ($0) = $507.
Last reported payment date: 2024-12-17 • Largest payer in this snapshot: Medtronic, Inc. ($157).
Total Amount
$507
General + Research + Ownership
Payments
17
Total payment records
General Amount
$507
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-17
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Medtronic, Inc. | $157 |
| Edwards Lifesciences Corporation | $152 |
| Abbott Laboratories | $121 |
| ABIOMED | $50 |
| PFIZER INC. | $27 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2018-06-05
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20080716000178 | I | Cardiac Surgery | IL | TBD |
| I20180605002562 | I | Thoracic Surgery | IN | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 33533 | Coronary artery bypass using artery graft, 1 graft | 15 | 15 | $0 |
Insurance plans in this area (ZIP 60048)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | IL | |
| E N D O C R I N O L O G Y | IL | |
| N E U R O L O G Y | IL | |
| Hospitalist, Internal Medicine | IL | |
| O P H T H A L M O L O G Y | IL | |
| - | IL | |
| E N D O C R I N O L O G Y | IL | |
| Cardiovascular Disease (Cardiology), Interventional Cardiology | IL | |
| Clinical Social Worker | IL | |
| Certified Nurse Midwife (Cnm) | IL |
Reviews
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