Physician Profile
S. Christopher Malaisrie, M.D. is a healthcare provider in Chicago, IL specializing in thoracic surgery (cardiothoracic). S. Christopher trained at University of Maryland School of Medicine, graduating in 1998. According to Medicare claims data, S. Christopher cared for 256 Medicare patients across 257 services. The services billed most often include new patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more, replacement of aortic valve through the skin and femoral artery, and telephone medical discussion with physician, 21-30 minutes.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
675 N SAINT CLAIR ST STE 19-100
Chicago, IL 60611
251 East Huron St Galter 3 150
Chicago, IL 60611
Within Thoracic Surgery generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Airway
Chest tumors
Chest wall
Diaphragm
Esophagus
Esophagus and stomach
Heart lining
Infection
Lung
Lung cancer
Lung conditions
Nerves
Nerves and blood vessels
Neuromuscular
Pleural disease
Sweating disorders
Trauma
Vascular
Airway
Airway surgery
Chest tumors
Chest wall
Chest wall surgery
Diagnostic tests
Diagnostics
Diaphragm
Diaphragm surgery
Emphysema
Esophagus
Esophagus surgery
Fluid drainage
Heart lining
Lung surgery
Nerves
Pleural disease
Robotic surgery
Surgical approach
Sweat surgery
Transplant
Trauma
257 services · 256 patients · 9 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Replacement of aortic valve through the skin and femoral artery | Procedure | 33361 |
41 | More often than most peers in Thoracic Surgery (Cardiothoracic) |
| Replacement of aortic valve on heart-lung machine | Procedure | 33405 |
23 | More often than most peers in Thoracic Surgery (Cardiothoracic) |
| Repair of aortic arch with graft | Procedure | 33866 |
11 | Too few peers to compare |
| Coronary artery bypass or valve procedure reoperation more than 1 month after original operation | Procedure | 33530 |
11 | Less often than most peers in Thoracic Surgery (Cardiothoracic) |
| Replacement of mitral valve on heart-lung machine | Procedure | 33430 |
11 | Less often than most peers in Thoracic Surgery (Cardiothoracic) |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
93 | More than most peers in Thoracic Surgery (Cardiothoracic) |
| Telephone medical discussion with physician, 21-30 minutes | Office visit | 99443 |
30 | As often as other peers in Thoracic Surgery (Cardiothoracic) |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
26 | As often as other peers in Thoracic Surgery (Cardiothoracic) |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
11 | Less often than most peers in Thoracic Surgery (Cardiothoracic) |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
S. Christopher Malaisrie is a thoracic surgery (cardiothoracic) in Chicago, IL. That is the designation recorded for this NPI in the federal registry.
NPI registry
S. Christopher Malaisrie is listed at 675 N Saint Clair St Ste 19-100, Chicago, IL 60611. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (312) 664-3278. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
S. Christopher Malaisrie's National Provider Identifier is 1801904008. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
S. Christopher Malaisrie attended University of Maryland School of Medicine, graduating in 1998. This comes from the CMS National Downloadable File.
CMS public data
S. Christopher Malaisrie has 28 years experience. Calculated from a graduation year of 1998, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, S. Christopher Malaisrie performs procedures including replacement of aortic valve through the skin and femoral artery, replacement of aortic valve on heart-lung machine and repair of aortic arch with graft, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by S. Christopher Malaisrie. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.