Summary

Dr. Ahmad Rez is a board-certified physician specializing in geriatric medicine, internal medicine, and hospital medicine. He earned his medical degree from the University of Aleppo Faculty of Medicine and completed his residency training at St. Louis University School of Medicine. With 22 years of clinical experience, Dr. Rez brings extensive expertise in caring for hospitalized patients and managing complex medical conditions across different age groups.

Dr. Rez practices at multiple healthcare facilities throughout Missouri and Illinois, including Memorial Hospital Belleville, Barnes Jewish Saint Peters Hospital, and SSM Health DePaul Hospital. His clinical focus includes treating patients with breathing difficulties and managing high blood pressure emergencies. He also provides specialized care for critically ill patients requiring life-prolonging treatments and compassionate hospice services for families facing end-of-life decisions. Patients rate Dr. Rez 4.5 out of 5 stars for his medical care.
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Overview based on verified provider data

Quick Facts

  • 4.5
  • 22 years of experience
  • St Louis University School Of Medicine
  • 1 written review
  • 3 specialties
  • 9 areas of expertise
  • 3 board certifications
  • 7 hospital affiliations
  • 3 office locations
  • Male

Office Locations

Dr. Ahmad Osama Rez has 3 locations

Angelin Hospitalist Group

1015 Bowles AveFenton, MO 63026
Mon12:00 am - 12:00 pm
Tue12:00 am - 12:00 pm
Wed12:00 am - 12:00 pm
Thu12:00 am - 12:00 pm
Fri12:00 am - 12:00 pm
Sat12:00 am - 12:00 pm
Sun12:00 am - 12:00 pm

Memorial Hospital Belleville

4500 Memorial DrBelleville, IL 62226

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Dr. Ahmad Osama Rez, MDDr. Jackson Riley RoweDr. Jacobo KelberDr. Jose E Hagan
Geriatric MedicineDiagnostic RadiologyNephrologyInfectious Disease
Accepts New Patients
4.5 
22 Years of Experience 7 Years of Experience 41 Years of Experience 20 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Fenton , MOSaint Louis , MOSt. LOUIS , MOSt. LOUIS , MO
Med School: University Of Aleppo Faculty Of Medicine Med School: St Louis University School Of Medicine Med School: Universidad De La Salle Facultad Mexicana De Medicina Med School: Vanderbilt University School Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. Ahmad Osama Rez

Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.

Medical Specialties

Dr. Ahmad Osama Rez has the following 3 specialties

Specialty Expertise

Dr. Ahmad Osama Rez has the following 9 areas of expertise

  • Check-up
  • Heartburn
  • Hospital Medicine
  • Immunization
  • Internal Medicine
  • Physical
  • Vaccination
  • Weight Loss
  • Weight Loss (non-surgical)

Certifications, License, & Education

22 Years Experience

Dr. Ahmad Osama Rez holds active and expired medical licenses in the states of Illinois and Missouri.

Medical License

Medical Doctor with an active medical license in the state of Illinois that expires in 2026 and an expired medical license in the state of Missouri that expired in 2026.

Education & Training

Residency

Completed their residency at St Louis University School Of Medicine.

Medical School

Graduated from University Of Aleppo Faculty Of Medicine in 2004.

NPI Number

Dr. Rez's NPI number is 1356537179.

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Frequently Asked Questions

Is Dr. Ahmad Rez accepting new patients?
Dr. Ahmad Rez has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
Which hospitals is Dr. Ahmad Rez affiliated with?
Dr. Ahmad Rez is affiliated with Osf Healthcare Saint Anthonys Health Center, Memorial Hospital Belleville, Ssm Health Depaul Hospital, Sisters Of Saint Mary Saint Clare Health Center, Barnes Jewish Saint Peters Hospital, SAINT VINCENTS BEHAVIORAL HEALTH AT DEPAUL HOSPITAL, and Barnes Jewish Saint Peters Hospital.
Where is Dr. Ahmad Rez's office located?
Dr. Ahmad Rez's office is located at 1015 Bowles Ave, Fenton, MO, 63026.
Does Dr. Ahmad Rez accept virtual/telehealth appointments?
Dr. Ahmad Rez has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Does Dr. Ahmad Rez accept my insurance?
You can see the insurance plans that Dr. Ahmad Rez accepts on their Vitals profile.

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