Doctor profile · Federal record

Dr. Surachai Amornsawadwattana, MD

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

  • NPI 1952666976
  • Accepts Medicare
  • MIPS 79.3 / 100 · 2023
  • 24 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1 Barnes Jewish Hospital Plz, Div Im Gastroenterology
Saint Louis, MO 631101003
(314) 747-2066
fax (314) 362-2357
Mailing address
Po Box 7412011
Chicago, IL 606742011

Credentials & registration

NPPES · NUCC
NPI registered
July 2012 — 14 yrs on file
Profile last updated
April 15, 2025
Year of graduation
2002 — 24 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Missouri #2015038208
Medicaid
MO #200022390

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1952666976. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
247
Distinct HCPCS
9
Medicare allowed
$34,393
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 65 55 $125
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 32 32 $129
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 28 27 $105
45380 Biopsy of large bowel using a flexible endoscope 28 28 $96
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 25 25 $235
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 22 22 $120
99204 New patient office or other outpatient visit, 45-59 minutes 20 20 $165
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 14 14 $172
99215 Established patient office or other outpatient visit, 40-54 minutes 13 13 $177

In context: peer comparison

Among 42 peers in this city , average services per provider: 60. This provider delivers 4.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$122
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Ardelyx, Inc. 1 $122.09

By nature of payment

Food and Beverage
$122

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
641
Patients
153
Total drug cost
$86,483
Drug Type Claims Patients Total cost
Linzess (Linaclotide) Brand 129 27 $75,309
Gavilyte-G (Peg3350/Sod Sulf,bicarb,cl/Kcl) Brand 103 85 $1,630
Dicyclomine Hcl Generic 51 15 $871
Omeprazole Generic 49 15 $564
Pantoprazole Sodium Generic 45 0 $450
Mirtazapine Generic 44 11 $1,303
Nortriptyline Hcl Generic 44 0 $564
Olanzapine Generic 37 0 $406
Esomeprazole Magnesium Generic 27 0 $838
Loperamide (Loperamide Hcl) Brand 26 0 $995

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Surachai Amornsawadwattana's medical specialty?
Dr. Surachai Amornsawadwattana practices Gastroenterology Physician in Saint Louis, MO.
Where does Dr. Surachai Amornsawadwattana practice?
Dr. Surachai Amornsawadwattana practices at 1 Barnes Jewish Hospital Plz, Saint Louis, MO 631101003. Office phone: 3147472066.
What is Dr. Surachai Amornsawadwattana's NPI?
Dr. Surachai Amornsawadwattana's National Provider Identifier (NPI) is 1952666976, issued by NPPES.
Does Dr. Surachai Amornsawadwattana accept Medicare assignment?
Yes. Dr. Surachai Amornsawadwattana accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Surachai Amornsawadwattana commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43235). Source: CMS Medicare Physician & Other Practitioners file.