Doctor profile · Federal record

Dr. S. Christopher Malaisrie, M.D.

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (CMS: Cardiac Surgery) · Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Chicago, IL

  • NPI 1801904008
  • Accepts Medicare
  • MIPS 91.3 / 100 · 2023
  • 28 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
675 N Saint Clair St Ste 19-100
Chicago, IL 606115969
(312) 664-3278
fax (312) 695-2461
Additional location
251 East Huron St, Galter 3 150
Chicago, IL 60611
(312) 695-2517
Mailing address
251 East Huron St, Galter 3 150
Chicago, IL 60611

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
January 30, 2025
Year of graduation
1998 — 28 yrs since
Specialty taxonomy
208G00000X — NUCC code
State licenses (2)
Illinois #036105677 · California #A95122

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1801904008. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
344
Distinct HCPCS
8
Medicare allowed
$107,905
HCPCS Description Services Patients Avg allowed
93793 Anticoagulant management of patient taking warfarin 113 14 $12
99215 Established patient office or other outpatient visit, 40-54 minutes 80 75 $190
99204 New patient office or other outpatient visit, 45-59 minutes 42 42 $178
33361 Replacement of aortic valve through the skin and femoral artery 31 31 $862
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 23 23 $140
99443 Telephone medical discussion with physician, 21-30 minutes 22 22 $134
33405 Replacement of aortic valve on heart-lung machine 18 18 $1,949
33866 Repair of aortic arch with graft 15 15 $1,058

In context: peer comparison

Among 23 peers in Chicago Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician, average services per provider: 29. This provider delivers 12× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$26,914
Transactions
51
Manufacturers
8
Payer (manufacturer) Industry Txns Amount
Edwards Lifesciences Corporation 23 $14,765.40
Artivion, INC. 9 $7,717.69
Bolton Medical INC 3 $3,217.34
Medtronic, INC. 7 $717.06
Abbott Laboratories 1 $183.04
Atricure, INC. 6 $173.73
Corcym INC 1 $117.23
LeMaitre Vascular, INC. 1 $22.25

By nature of payment

Compensation for Services Other Than Consulting, Including Serving As Faculty or As A Speaker at A Venue Other Than A Continuing Education Program
$11,700
Consulting Fee
$7,629
Honoraria
$4,200
Food and Beverage
$3,327
Travel and Lodging
$58

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
15
Patients
0
Total drug cost
$481
Drug Type Claims Patients Total cost
Warfarin Sodium Generic 15 0 $481

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. S. Christopher Malaisrie's medical specialty?
Dr. S. Christopher Malaisrie practices Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician in Chicago, IL.
Where does Dr. S. Christopher Malaisrie practice?
Dr. S. Christopher Malaisrie practices at 675 N Saint Clair St Ste 19-100, Chicago, IL 606115969. Office phone: 3126643278.
What is Dr. S. Christopher Malaisrie's NPI?
Dr. S. Christopher Malaisrie's National Provider Identifier (NPI) is 1801904008, issued by NPPES.
Does Dr. S. Christopher Malaisrie accept Medicare assignment?
Yes. Dr. S. Christopher Malaisrie accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. S. Christopher Malaisrie commonly perform?
Top Medicare-reported procedures in 2023: Anticoagulant management of patient taking warfarin (HCPCS 93793); Established patient office or other outpatient visit (HCPCS 99215); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.