Doctor profile · Federal record

Dr. Sean Lee, M.D.

Gastroenterology Physician (CMS: Gastroenterology) · Libertyville, IL

  • NPI 1194765248
  • Accepts Medicare
  • 28 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1880 W Winchester RD, #201
Libertyville, IL 600485321
(847) 247-0187
fax (847) 247-0487

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
December 13, 2021
Year of graduation
1998 — 28 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Illinois #036-105509
Medicaid
IL #036-105509

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1194765248. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
974
Distinct HCPCS
10
Medicare allowed
$223,545
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 165 144 $96
99214 Established patient office or other outpatient visit, 30-39 minutes 148 126 $135
45380 Biopsy of large bowel using a flexible endoscope 134 134 $411
99203 New patient office or other outpatient visit, 30-44 minutes 131 131 $119
99204 New patient office or other outpatient visit, 45-59 minutes 130 130 $176
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 120 120 $343
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 42 42 $489
G0105 Colorectal cancer screening; colonoscopy on individual at high risk 42 42 $345
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk 36 36 $301
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 13 13 $263

In context: peer comparison

Among 4 peers in this city , average services per provider: 84. This provider delivers 12× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$3,981
Transactions
183
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 53 $997.53
Janssen Biotech, Inc. 19 $553.02
Salix Pharmaceuticals, a division of Bausch Health US, LLC 25 $451.53
Takeda Pharmaceuticals U.S.A., Inc. 28 $384.68
Lilly USA, LLC 13 $294.19
Phathom Pharmaceuticals, Inc. 11 $226.75
QOL Medical, LLC 9 $202.21
Intercept Pharmaceuticals, Inc. 6 $144.66
Regeneron Healthcare Solutions, Inc. 3 $69.06
PFIZER INC. 3 $58.49
Ardelyx, Inc. 3 $55.24
Gilead Sciences, Inc. 2 $53.15
Sandoz Inc. 2 $51.61
Celgene Corporation 3 $51.29
Merck Sharp & Dohme LLC 3 $47.48

By nature of payment

Food and Beverage
$3,959
Education
$22

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
936
Patients
333
Total drug cost
$387,769
Drug Type Claims Patients Total cost
Omeprazole Generic 271 113 $5,653
Pantoprazole Sodium Generic 191 73 $3,695
Amitriptyline Hcl Generic 118 38 $2,451
Budesonide Dr (Budesonide) Brand 48 19 $8,498
Linzess (Linaclotide) Brand 40 17 $51,198
Famotidine Generic 38 18 $1,092
Diphenoxylate-Atropine (Diphenoxylate Hcl/Atropine) Brand 36 12 $1,598
Humira(Cf) Pen (Adalimumab) Brand 31 0 $295,346
Sucralfate Generic 31 13 $2,000
Budesonide Ec (Budesonide) Brand 29 12 $9,498

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Sean Lee's medical specialty?
Dr. Sean Lee practices Gastroenterology Physician in Libertyville, IL.
Where does Dr. Sean Lee practice?
Dr. Sean Lee practices at 1880 W Winchester RD, Libertyville, IL 600485321. Office phone: 8472470187.
What is Dr. Sean Lee's NPI?
Dr. Sean Lee's National Provider Identifier (NPI) is 1194765248, issued by NPPES.
Does Dr. Sean Lee accept Medicare assignment?
Yes. Dr. Sean Lee accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sean Lee commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Biopsy of large bowel using a flexible endoscope (HCPCS 45380). Source: CMS Medicare Physician & Other Practitioners file.