S. Christopher Malaisrie, M.D.
NPI 1801904008ActiveIndividual· Thoracic Surgery (Cardiothoracic Vascular Surgery)· Chicago, IL
Thoracic Surgery (Cardiothoracic Vascular Surgery) (M.D.) in Chicago, Illinois, trained at University of Maryland School of Medicine (class of 1998). Mostly services rather than prescriptions: Medicare paid $271,194 for 216 patients in 2024, with only 18 Part D claims. Bolton Medical Inc was the largest of 15 companies reporting payments in 2025, $48,241 in all, mostly consulting fees.
Overview
| NPI | 1801904008 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Aug 28, 2006 |
| Last updated in NPPES | Jan 30, 2025 |
| Certified by provider | Jan 30, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Thoracic Surgery (Cardiothoracic Vascular Surgery) Primary | 208G00000X | 036105677 | IL |
| Thoracic Surgery (Cardiothoracic Vascular Surgery) | 208G00000X | A95122 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Cardiac Surgery (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 216 |
|---|---|
| Services billed | 463 across 51 procedure codes |
| Paid by Medicare | $271,194 |
Part D prescriptions in 2024
| Prescriptions (claims) | 18 · 28 30-day fills |
|---|---|
| Total drug cost | $583.15 |
| Generic share | 94% of claims |
Education and affiliations
| Medical school | University of Maryland School of Medicine |
|---|---|
| Graduation year | 1998 |
| Medicare specialty | Cardiac Surgery |
| Secondary specialties | General Surgery, Thoracic Surgery |
| Telehealth | Offers telehealth |
Medical group
- Northwestern Medical Faculty FoundationChicago, IL · 4,503 clinicians
Hospital affiliations
- Northwestern Lake Forest HospitalLake Forest, IL
- Northwestern Memorial HospitalChicago, IL
- Palos Community HospitalPalos Heights, IL
Other facilities
- Accentcare Home Health of IllinoisHome health agency · Lombard, IL
- Elara CaringHome health agency · Valparaiso, IN
- Home Care ExpertsHome health agency · Burr Ridge, IL
Industry payments (Open Payments)
- 2025$48,241 · 57 payments from 15 companies
- 2024$26,914 · 51 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Bolton Medical Inc | $25,234 | 7 |
| Artivion, Inc. | $14,890 | 8 |
| Edwards Lifesciences Corporation | $5,084 | 11 |
| Corcym Inc | $711.32 | 5 |
| Medtronic, Inc. | $522.71 | 6 |
What the 2025 payments were for
- Consulting Fee$17,900 · 9 payments
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$16,500 · 2 payments
- Travel and Lodging$9,119 · 5 payments
- Food and Beverage$3,971 · 39 payments
- Honoraria$750.00 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Thoracic Surgery (Cardiothoracic Vascular Surgery) providers in Chicago
- 1588704688
- 1730374109
- 1942499397
- 1215137880
- 1174701759
- 1861670457
- 1609070523
- 1477815439
- 1750439493
- 1578571055
- 1174793327
- 1023116233
All Thoracic Surgery (Cardiothoracic Vascular Surgery) providers in Illinois →