Doctor profile · Federal record

Dr. Riad Azar, MD

Gastroenterology Physician · Internal Medicine Physician · Saint Louis, MO

  • NPI 1952358970
  • 20 yrs on file
  • 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) 747-1277
Mailing address
Po Box 7412011
Chicago, IL 606742011

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
April 15, 2025
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Missouri #2002018239
Medicaid
MO #205910706

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1952358970. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
134
Distinct HCPCS
5
Medicare allowed
$17,750
HCPCS Description Services Patients Avg allowed
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 68 68 $126
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 22 22 $107
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 17 15 $78
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 16 16 $172
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 11 11 $249

In context: peer comparison

Among 42 peers in this city , average services per provider: 60. This provider delivers 2.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$556
Transactions
6
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 3 $269.53
Boston Scientific Corporation 2 $264.26
Salix Pharmaceuticals, a division of Bausch Health US, LLC 1 $22.41

By nature of payment

Food and Beverage
$556

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
12
Patients
11
Total drug cost
$206
Drug Type Claims Patients Total cost
Gavilyte-G (Peg3350/Sod Sulf,bicarb,cl/Kcl) Brand 12 11 $206

Frequently asked questions

Auto-generated from federal data
What is Dr. Riad Azar's medical specialty?
Dr. Riad Azar practices Gastroenterology Physician in Saint Louis, MO.
Where does Dr. Riad Azar practice?
Dr. Riad Azar practices at 1 Barnes Jewish Hospital Plz, Saint Louis, MO 631101003. Office phone: 3147472066.
What is Dr. Riad Azar's NPI?
Dr. Riad Azar's National Provider Identifier (NPI) is 1952358970, issued by NPPES.
What procedures does Dr. Riad Azar commonly perform?
Top Medicare-reported procedures in 2023: 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); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.