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Youssef Assioun in Saint Louis, Missouri

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Youssef Assioun has Gastroenterology as his primary medical specialty. Their primary office is: 10012 Kennerly Rd in Saint Louis, Missouri. There is an additional office location, for a total of two, for Youssef Assioun that can be viewed further down.

They're a part of the: Mercy Clinic Gastroenterology Llc medical group which has around 53 members. You can call their office at 314-543-5911 to schedule an appointment. They also accept the Medicare-approved amount as payment in full. They attended Sorry, his university is not listed and graduated in 2003 (around 21 years of experience). They are listed as doing telehealth appointments.


Youssef Assioun Office Phone and Directions

Youssef Assioun
Mercy Clinic Gastroenterology Llc
10012 Kennerly Rd
Saint Louis, Missouri 63128
314-543-5911


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Phone: 314-543-5911


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Healthcare Info for Youssef Assioun

Medical School: Sorry, his university is not listed
Graduation Year: 2003
The Primary Medical Specialty for Youssef Assioun is listed as: Gastroenterology
Approximate Years of Experience: 21
PAC (PECOS ID)#: 2860654423
NPI #: 1639370919
NPI Created On: 05/31/2007
NPI Last Updated Listed as: 09/08/2023
Primary Taxonomy Code: 207RG0100X
License Number:
2010006463
Listed Gender: Male

Insurance, Services, Charges


Forms of insurance accepted by include, but are not limited to:

  • Humana
  • Celtic Insurance Company
  • Medicare

They are listed as accepting new patients.

Languages spoken by staff include: English, French, Arabic.


Services and Procedures include:

  1. Diagnostic examination of esophagus, stomach, and/or upper small bowel using an endoscope
  2. Biopsy of the esophagus, stomach, and/or upper small bowel using an endoscope
  3. Balloon dilation of esophagus using an endoscope
  4. Control of bleeding of esophagus, stomach, and/or upper small bowel using an endoscope
  5. Diagnostic examination of large bowel using an endoscope
  6. Biopsy of large bowel using an endoscope
  7. Injections of large bowel using an endoscope
  8. Removal of polyps or growths of large bowel using an endoscope
  9. New patient office or other outpatient visit, typically 45 minutes
  10. Established patient office or other outpatient visit, typically 15 minutes
  11. Established patient office or other outpatient, visit typically 25 minutes
  12. Initial hospital inpatient care, typically 70 minutes per day
  13. Subsequent hospital inpatient care, typically 25 minutes per day
  14. Subsequent hospital inpatient care, typically 35 minutes per day

They took part in the Medicare Physician Quality Reporting System (PQRS).

Open Payments Data. This can include items to test (Durable Medical Equipment (DME)), Biological, Drug Samples, etc. This data must be reported to CMS.


Payments Total: $15

Number of Payments:: 1

Form of Payment: In-kind items and services

Record ID:: 793931911

Being Disputed:: No

Product Related: Yes

Drug or Biological: Drug

Product Category #1: VIROLOGY

Name of Drug #1: MAVYRET

Open Associated Drug #1: 0074-2625-28


Payments Total: $105

Number of Payments:: 1

Form of Payment: Cash or cash equivalent

Record ID:: 783629047

Being Disputed:: No

Product Related: Yes

Drug or Biological: Drug

Product Category #1: Neuroscience

Name of Drug #1: ZEPOSIA

Open Associated Drug #1: 59572-820-30


Payments Total: $13

Number of Payments:: 1

Form of Payment: In-kind items and services

Record ID:: 832959951

Being Disputed:: No

Product Related: Yes

Drug or Biological: Drug

Product Category #1: GASTROINTESTINAL;INFLAMMATION;OPHTHALMOLOGY;TRANSPLANT

Name of Drug #1: XELJANZ

Open Associated Drug #1: 0069-1001-01


Payments Total: $23

Number of Payments:: 1

Form of Payment: In-kind items and services

Record ID:: 850349845

Being Disputed:: No

Product Related: Yes

Drug or Biological: Drug

Product Category #1: Gastroenterology

Name of Drug #1: XIFAXAN

Open Associated Drug #1: 65649-303-02


Additional Office Locations

1. Mercy Clinic Gastroenterology Llc
200 Brevco Plz
Lake Saint Louis, MO 63367
Suite 208
Group Members: 53

Phone: 314-543-5911

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Providers in Mercy Clinic Gastroenterology Llc

1.Yazan Abdalla

10012 Kennerly Rd
Saint Louis Mo 63128-2197
Mercy Clinic Gastroenterology Llc
Gastroenterology

2.Yazan Abdalla

200 Brevco Plz
Lake Saint Louis Mo 63367-2950
Mercy Clinic Gastroenterology Llc
Gastroenterology

3.Samer Al-kaade Md

200 Brevco Plz
Lake Saint Louis Mo 63367-2950
Mercy Clinic Gastroenterology Llc
Gastroenterology

4.Mohammed Eyad Alsabbagh

10012 Kennerly Rd
Saint Louis Mo 63128-2197
Mercy Clinic Gastroenterology Llc
Gastroenterology

5.Michael Ansstas

615 S New Ballas Rd
Saint Louis Mo 63141-8221
Mercy Clinic Gastroenterology Llc
Internal Medicine

6.Youssef Assioun

10012 Kennerly Rd
Saint Louis Mo 63128-2197
Mercy Clinic Gastroenterology Llc
Gastroenterology

View all 53 members of Mercy Clinic Gastroenterology Llc medical group