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Edit this profileAt a glance
- 1 Barnes Jewish Hospital Plz, Div Im Gastroenterology, Saint Louis, MO 63110
About Dr. Azar
Riad R. Azar, MD is a healthcare provider in Saint Louis, MO specializing in gastroenterology. Riad is also listed as specializing in internal medicine. According to Medicare claims data, Riad cared for 97 Medicare patients across 99 services. The services billed most often include initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes and diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope. This provider record is associated with NPI 1952358970.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (314) 747-2066
- Email not available
Practice Locations
1 BARNES JEWISH HOSPITAL PLZ DIV IM GASTROENTEROLOGY
Saint Louis, MO 63110
Conditions Commonly Evaluated or Treated
Within Gastroenterology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
- Acid reflux
- Celiac disease
- Crohn's disease
- Hemorrhoids
- IBS
- Swallowing difficulties
- Ulcerative colitis
Biliary and pancreas
Colon and anorectal
Esophagus and swallowing
Functional bowel and motility
Liver
- Ascites
- Autoimmune hepatitis
- Cirrhosis
- Fatty liver disease
- Hemochromatosis
- Hepatitis B
- Hepatitis C
- Portal hypertension
Stomach and duodenum
Bowel & Colon
Digestive Symptoms
Gallbladder & Bile Ducts
Procedures & services
Most searched procedures
Lower endoscopy
Upper endoscopy
Capsule and physiology testing
Diagnostic Testing
Liver procedures
Treatments
Procedures Most Often Billed to Medicare
99 services · 97 patients · 2 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43235 |
24 | As often as other peers in Gastroenterology |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
75 | More often than most peers in Gastroenterology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Related specialists at this location 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other gastroenterologists in Saint Louis 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1994 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 8
Providers in MO who bill this service to Medicare most often.
Common questions
What does Dr. Azar specialize in?
Dr. Azar is a gastroenterologist in Saint Louis, MO. That is the designation recorded for this NPI in the federal registry, where it is listed as “Gastroenterology”.
NPI registry
Where is Dr. Azar located?
Dr. Azar is listed at 1 Barnes Jewish Hospital Plz Div Im Gastroenterology, Saint Louis, MO 63110. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Azar's phone number?
The number on file is (314) 747-2066. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Azar's NPI number?
Dr. Azar's National Provider Identifier is 1952358970. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Azar go to medical school?
Dr. Azar attended Other, graduating in 1994. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Azar been practicing?
Dr. Azar has 32 years experience. Calculated from a graduation year of 1994, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Azar do most often?
According to Medicare billing data, Dr. Azar performs procedures including diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Azar confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Azar. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.