Riad R. Azar, MD
Gastroenterology Physician · Saint Louis, MO
Riad R. Azar, MD is a gastroenterology physician with a practice address in Saint Louis, Missouri, and NPI 1952358970, issued on May 27, 2006. Check the license (Missouri 2002018239, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Riad R. Azar
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 2002018239 MO
Self-reported in NPPES; status is on the state search - Practice location
- 1 Barnes Jewish Hospital Plz, Saint Louis, MO 63110
- Phone
- (314) 747-2066
- Enumerated
- May 27, 2006
- Record last updated
- Apr 15, 2025
- Fax
- (314) 747-1277
- Medicaid ID
- 205910706 MO
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 414 in Missouri → Look up another NPI →
Also registered at 1 Barnes Jewish Hospital Plz
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Riad R. Azar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
Search for license 2002018239Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $556.20
6 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Riad R. Azar among 414 gastroenterology physician records in Missouri
Riad R. Azar, MD is one of 414 gastroenterology physician records with a practice address in Missouri. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 14% of them.
- NPI issued2006 · 14% of these records are older, 47% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileNo · 73% of these records are
- Record last updated2025 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Missouri
There are 414 gastroenterology physician records in Missouri.
All 414 in Missouri → Every provider in Saint Louis → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Chien-Huan Chen, MDSaint Louis, MO 631101588691265
- Jeffrey Crippin, MDSaint Louis, MO 631101265458574
- Nicholas Davidson, MDSaint Louis, MO 631101659397958
- Brian Dieckgraefe, MDSaint Louis, MO 631101295751428
- Jaquelyn Fleckenstein, MDSaint Louis, MO 631101386600864
- Chandra Gyawali, MDSaint Louis, MO 631101821014127
- Tariq Hassan, MDSaint Louis, MO 631101710970587
- Rajesh Keswani, MDSaint Louis, MO 631101275529463
Common questions
What is Riad R. Azar, MD's NPI number?
Riad R. Azar, MD's National Provider Identifier (NPI) is 1952358970, issued on May 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Riad R. Azar, MD located?
The NPPES record lists a practice address at 1 Barnes Jewish Hospital Plz, Saint Louis, MO, 63110. Phone: (314) 747-2066. Providers update this record themselves, so call before visiting.
How can I verify Riad R. Azar, MD's license?
NPPES lists Missouri license number 2002018239, as entered by the provider. Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.