Doctor profile · Federal record

Dr. Koushik Das, MD

Gastroenterology Physician (CMS: Gastroenterology) · Saint Louis, MO

  • NPI 1023245859
  • Accepts Medicare
  • MIPS 79.3 / 100 · 2023
  • 17 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
5201 Mid America Plz, Div Im Gastroenterology, Ste 2300
Saint Louis, MO 631290002
(314) 747-2066
fax (314) 747-1277
Mailing address
Po Box 7412011
Chicago, IL 606742011

Credentials & registration

NPPES · NUCC
NPI registered
June 2009 — 17 yrs on file
Profile last updated
April 17, 2025
Year of graduation
2009 — 17 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Missouri #2016013228
Medicaid
MO #200033058

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1023245859. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
538
Distinct HCPCS
10
Medicare allowed
$82,955
HCPCS Description Services Patients Avg allowed
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 74 70 $96
99214 Established patient office or other outpatient visit, 30-39 minutes 54 50 $126
74328 Review by radiologist of image from tube placement into bile duct using an endoscope 46 33 $23
43274 Insertion of stent into pancreatic or bile duct using a flexible endoscope 39 24 $286
43276 Replacement of stent in pancreatic or bile duct using a flexible endoscope 37 15 $343
43259 Ultrasound exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 33 33 $217
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 32 32 $113
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 32 31 $245
43242 Ultrasound guided needle aspiration or biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 31 27 $229
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 31 31 $129

In context: peer comparison

Among 42 peers in this city , average services per provider: 60. This provider delivers 9.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,722
Transactions
6
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
Olympus Medical Systems Corporation 2 $1,305.00
Medtronic, Inc. 1 $153.32
CONMED Corporation 1 $127.04
Boston Scientific Corporation 1 $90.52
Olympus America Inc. 1 $46.45

By nature of payment

Consulting Fee
$1,305
Food and Beverage
$417

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
260
Patients
157
Total drug cost
$25,160
Drug Type Claims Patients Total cost
Gavilyte-G (Peg3350/Sod Sulf,bicarb,cl/Kcl) Brand 68 62 $1,047
Omeprazole Generic 64 26 $2,076
Pantoprazole Sodium Generic 34 13 $2,708
Sucralfate Generic 32 11 $5,784
Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,mag Sulfates) Brand 28 26 $2,078
Ciprofloxacin Hcl Generic 22 19 $86
Creon (Lipase/Protease/Amylase) Brand 12 0 $11,382

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Koushik Das's medical specialty?
Dr. Koushik Das practices Gastroenterology Physician in Saint Louis, MO.
Where does Dr. Koushik Das practice?
Dr. Koushik Das practices at 5201 Mid America Plz, Saint Louis, MO 631290002. Office phone: 3147472066.
What is Dr. Koushik Das's NPI?
Dr. Koushik Das's National Provider Identifier (NPI) is 1023245859, issued by NPPES.
Does Dr. Koushik Das accept Medicare assignment?
Yes. Dr. Koushik Das accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Koushik Das commonly perform?
Top Medicare-reported procedures in 2023: Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239); Established patient office or other outpatient visit (HCPCS 99214); Review by radiologist of image from tube placement into bile duct using an endoscope (HCPCS 74328). Source: CMS Medicare Physician & Other Practitioners file.