Summary

Dr. Fadi Siyam specializes in endocrinology, diabetes and metabolism, along with internal medicine. He earned his medical degree from the University of Jordan Faculty of Medicine and brings 21 years of experience to his practice. Dr. Siyam is fluent in English.

Dr. Siyam practices at Mercy Clinic Endocrinology in Saint Louis, Missouri, and maintains affiliations with Boone Hospital Center. He focuses on treating various forms of diabetes, including Type 2 diabetes and geriatric diabetes management. His diagnostic capabilities include complete blood count testing and comprehensive thyroid hormone evaluations. Patients have given Dr. Siyam an average rating of 3.8 on Vitals.

Overview based on verified provider data

Quick Facts

  • 3.8
  • 21 years of experience
  • 36 insurance plans accepted
  • speaks English
  • University Of Jordan Faculty Of Medicine
  • 3 written reviews
  • 3 specialties
  • 14 areas of expertise
  • 2 board certifications
  • 1 hospital affiliation
  • 1 office location
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Location

Mercy Clinic Endocrinology - Southfork Suite 205

12700 Southfork Rd Ste 205Saint Louis, MO 63128
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 2:00 pm
SatClosed
SunClosed

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Fadi Faisal SiyamDr. Matifadza Gail HlatshwayoDr. Alice M BaghdassarianDr. Siriwatratanano Payow
Endocrinology, Diabetes & MetabolismInfectious DiseasePediatricsAllergy & Immunology
Accepts New Patients
3.8 
21 Years of Experience 15 Years of Experience 63 Years of Experience 57 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English
Saint Louis , MOSaint Louis , MOSaint Louis , MOSaint Charles , MO
Med School: University Of Jordan Faculty Of Medicine Med School: Case Western Reserve University School Of Medicine Med School: The University of Texas Southwestern Med School: Chiang Mai University
Current Profile
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Insurance Plans Accepted by Fadi Faisal Siyam

  • AARP
  • AARP - Medicare (Advantage HMO)
  • Adventist Health
  • Aetna
  • Aetna - Medicare
  • Aetna Better Health - Medicaid (Managed)
  • Ambetter
  • Anthem Blue Cross
  • Blue Cross Blue Shield
  • Blue Cross Blue Shield of Illinois
  • CareOregon
  • CHAMPVA
  • Cigna
  • Dean Health Plan
  • ESSENCE Healthcare
  • ESSENCE Healthcare - Medicare
  • ESSENCE Healthcare - Medicare (Advantage HMO)
  • Healthlink
  • HealthPartners
  • HealthScope Benefits
  • Humana
  • Medica
  • Medicaid - Medicaid
  • Medicaid - Medicaid (Managed)
  • Medicare
  • Medicare - Medicaid
  • Medicare - Medicare
  • Meritain Health
  • Moda Health
  • Molina Healthcare
  • Molina Healthcare - Medicaid (Managed)
  • Molina Healthcare - Medicare
  • Regence BlueCross BlueShield of Oregon
  • Tricare
  • UnitedHealthcare
  • UnitedHealthcare - Medicare (Advantage HMO)

Medical Specialties

Fadi Faisal Siyam has the following 3 specialties

Specialty Expertise

Fadi Faisal Siyam has the following 14 areas of expertise

  • Acromegaly
  • Addison Disease
  • Cushing Disease
  • Diabetes
  • Diabetes (Types I & II)
  • Diabetes Mellitus, Type 1
  • Endocrinology & Metabolism
  • Fatigue
  • Gland Issues
  • Hormones
  • Hyperthyroidism
  • Hypopituitarism
  • Hypothyroidism
  • Internal Medicine

Certifications, License, & Education

21 Years Experience

Fadi Faisal Siyam holds an expired medical license in the state of Missouri.

Medical License

Medical Doctor with an expired medical license in the state of Missouri that expired in 2026.

Education & Training

Medical School

Graduated from University Of Jordan Faculty Of Medicine in 2005.

NPI Number

Fadi Faisal Siyam's NPI number is 1558526574.

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Frequently Asked Questions

Does Fadi Faisal Siyam accept my insurance?
You can see the insurance plans that Fadi Faisal Siyam accepts on their Vitals profile.
Does Fadi Faisal Siyam accept virtual/telehealth appointments?
Fadi Faisal Siyam has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
How can I make an appointment with Fadi Faisal Siyam?
You can find contact information for Fadi Faisal Siyam here on Vitals.
Is Fadi Faisal Siyam accepting new patients?
Fadi Faisal Siyam has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
What languages does Fadi Faisal Siyam speak?
Fadi Faisal Siyam speaks English.

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