Youssef Assioun, MD
Gastroenterology Physician · Saint Louis, MO
Youssef Assioun, MD is a gastroenterology physician with a practice address in Saint Louis, Missouri, and NPI 1639370919, issued on May 31, 2007. Check the license (Missouri 2010006463, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Youssef Assioun
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 2010006463 MO
Self-reported in NPPES; status is on the state search - Practice location
- 10012 Kennerly RD Ste 102, Saint Louis, MO 63128
- Phone
- (314) 543-5911
- Enumerated
- May 31, 2007
- Entity
- Type 1 · individual
Also registered at 10012 Kennerly RD Ste 102
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Aireen-Ronalda Agulto, MDGastroenterology Physician1447771191
- Zarir AhmedHospitalist Physician1770937492
- Badr Alhumayyd, MBBSGastroenterology Physician1821659095
- Mohammed Eyad Alsabbagh, M.D.Gastroenterology Physician1083917090
- Cheryl Bayens, FNPNurse Practitioner1679967673
- Faiza Bhatti, M.D.,Gastroenterology Physician1144556499
Verify Youssef Assioun 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 2010006463Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
22% more Medicare Part D claims than the average gastroenterology physician in 2024
1,035 Medicare Part D claims for 483 beneficiaries, against an average of 848 among the 13,066 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims.
Most prescribed
- Gavilyte-G227 claims
- Omeprazole168 claims
- Pantoprazole Sodium135 claims
- Gavilyte-C84 claims
- Peg-3350 And Electrolytes57 claims
- Famotidine49 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $1,776.18
56 payments, mostly food and beverage; the largest payer was Abbvie Inc.. The 10,593 providers of this specialty with any payment received $4,948.62 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.
One hospital or facility affiliation
- Mercy Clinic Gastroenterology LLCSaint Louis, MO
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Gastroenterology Physician providers in Missouri
There are 325 gastroenterology physician records in Missouri.
Other gastroenterology physician records in Missouri
- Kelsey Able, DOKansas City, MO1376806588
- Barry Abramson, M.D.Saint Louis, MO1922025980
- Tarek Abu-Rajab Tamimi, M.D.Kansas City, MO1689840282
- Ayooluwatomiwa Adekunle, MDO Fallon, MO1619593779
- Aireen-Ronalda Agulto, MDSaint Louis, MO1447771191
- Khulood Ahmed, M.D.Columbia, MO1588827893
- Mohamed Ahmed, MDKansas City, MO1194353425
- Siddique Akram, MDSaint Louis, MO1457989071
- Ghadah Al Ismail, MDSaint Louis, MO1326353855
- Alhareth Al Juboori, M.D.Columbia, MO1225370828
Common questions
What is Youssef Assioun, MD's NPI number?
Youssef Assioun, MD's National Provider Identifier (NPI) is 1639370919, issued on May 31, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Youssef Assioun, MD located?
The NPPES record lists a practice address at 10012 Kennerly RD Ste 102, Saint Louis, MO, 63128. Phone: (314) 543-5911. Providers update this record themselves, so call before visiting.
How can I verify Youssef Assioun, MD's license?
NPPES lists Missouri license number 2010006463, 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.
How much does Youssef Assioun, MD prescribe under Medicare Part D?
In 2024, Youssef Assioun, MD had 1,035 Medicare Part D claims for 483 beneficiaries; the average among gastroenterology physician prescribers was 848. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.