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Dr. Fadi Siyam, MD

Endocrinologist

Saint Louis, MO

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Siyam, Endocrinologist in Saint Louis, MO?

    Dr. Fadi Siyam, MD is an Endocrinologist, who primarily practices in Saint Louis, MO with 2 additional practice locations. He is board certified. Dr. Siyam is fluent in English, and is currently seeing new patients. Dr. Siyam’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Siyam’s office at (618) 589-9051.

    Is Dr. Siyam board certified as an Endocrinologist?

    Yes, Dr. Fadi Siyam, MD is board certified by the American Board of Internal Medicine

    What languages does Dr. Siyam speak?

    Dr. Siyam and their clinical team can communicate with patients in the following languages:

    • English

    What conditions does an Endocrinologist like Dr. Siyam typically treat?

    As an Endocrinologist, Dr. Siyam diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Siyam. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly. Learn more about our claims-based healthcare methodology.

    Also known as:

    • Type 2 Diabetes with High Blood Sugar
    • Type 2 Diabetes
    • Type 2 Diabetes with Diabetic Neuropathy
    • Diabetes Type 2
    • Hyperglycemia
    • Type 2 diabetes
    • Diabetic Nerve Problems
    • Diabetic Neuropathy
    • Diabetic Hyperglycemia
    • High Blood Glucose
    • High Sugar Levels
    • Diabetes Mellitus Type 2
    • Adult-Onset Diabetes
    • Non-Insulin Dependent Diabetes
    • Diabetic Nerve Damage
    • Diabetic Polyneuropathy
    • Peripheral Neuropathy from Diabetes
    • Diabetes Mellitus Nerve Problems

    ICD-10 Codes:

    • E1165: Type 2 diabetes mellitus with hyperglycemia
    • E119: Type 2 diabetes mellitus without complications
    • E1142: Type 2 diabetes mellitus with diabetic polyneuropathy

    Also known as:

    • Age-Related Osteoporosis
    • Fractures
    • Osteoporosis
    • Senile Osteoporosis
    • Primary Osteoporosis
    • Bone Thinning from Aging

    ICD-10 Codes:

    • M810: Age-related osteoporosis without current pathological fracture

    Also known as:

    • Hypothyroidism
    • Congenital hypothyroidism
    • Hypothyroidism (Underactive Thyroid)
    • Underactive Thyroid
    • Low Thyroid Function

    ICD-10 Codes:

    • E039: Hypothyroidism, unspecified

    Also known as:

    • Type 1 Diabetes with High Blood Sugar
    • Diabetes Type 1
    • Hyperglycemia
    • Type 1 diabetes
    • Diabetic Hyperglycemia
    • High Glucose in Type 1 Diabetes
    • High Blood Sugar Episode

    ICD-10 Codes:

    • E1065: Type 1 diabetes mellitus with hyperglycemia

    Also known as:

    • Nontoxic Multinodular Goiter
    • Thyroid Disease
    • Multinodular Goiter
    • Lumpy Enlarged Thyroid

    ICD-10 Codes:

    • E042: Nontoxic multinodular goiter

    What procedures does an Endocrinologist like Dr. Siyam typically perform?

    As an Endocrinologist, Dr. Siyam performs a variety of medical procedures. This procedure information is derived from anonymized insurance claims and highlights the medical procedures most commonly performed by Dr. Siyam. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly. Learn more about our claims-based healthcare methodology.

    Also known as:

    • Ultrasound-Guided Fine Needle Biopsy
    • Biopsy
    • Ultrasound
    • FNA Biopsy with Ultrasound
    • Image-Guided Biopsy
    • Fine Needle Aspiration
    • First Lesion Biopsy

    CPT Codes:

    • 10005: Fine needle aspiration biopsy, including ultrasound guidance; first lesion

    Does Dr. Siyam accept my insurance?

    Dr. Siyam accepts most major insurance plans. Important: Please call our office at (618) 589-9051 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Siyam accept in Saint Louis, MO?

    Dr. Siyam in Saint Louis, MO accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • Allied Benefit Systems

    • Blue Cross Blue Shield of Michigan

    • Cigna Group

    • Medicare

    • Oscar Health

    View All Insurances

    Where is Dr. Siyam's office located?

    Dr. Fadi Siyam's Primary Practice

    621 S New Ballas Rd Ste 460A

    Saint Louis, MO 63141

    (618) 589-9051

    Get Directions

    Dr. Fadi Siyam's Practice 2

    775 Sunset Blvd # B

    O Fallon, IL 62269

    Get Directions

    Dr. Fadi Siyam's Practice 3

    12700 Southfork Rd Ste 205

    Saint Louis, MO 63128

    Get Directions

    What is Dr. Siyam's NPI number?A National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.

    Dr. Siyam's National Provider Identifier (NPI) number is 1558526574.

    What common questions do patients ask about Dr. Siyam?

    Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Siyam

    What is Dr. Fadi Siyam's specialty?

    Dr. Siyam is an Endocrinologist near Saint Louis, MO.

    What does an Endocrinologist do?

    An internist specializing in disorders of the endocrine glands, including the thyroid and adrenal glands. This specialist also manages a range of conditions such as diabetes, metabolic and nutritional disorders, obesity, pituitary disorders, and menstrual and sexual health issues.

    Is Dr. Fadi Siyam affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Siyam is affiliated with Mercy Hospital St. Louis, Mercy Hospital South, Mercy Hospital Washington which are a Castle Connolly Top Hospitals. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals

    When to see an Endocrinologist?: Guides for symptoms, conditions, and treatments

    Understand your symptoms and know when it’s time to see an Endocrinologist. Explore insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.

    Is Dr. Fadi Siyam accepting new patients in Saint Louis, MO?

    Yes, Dr. Fadi Siyam is accepting new patients at this time.

    Does Dr. Fadi Siyam offer online booking?

    Please contact Dr. Siyam's office at (618) 589-9051 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Dr. Fadi Siyam?

    Please contact Dr. Siyam's office at (618) 589-9051 to schedule an appointment.

    Where is Dr. Siyam's office located?

    Dr. Siyam's offices are located in Saint Louis, MO and O Fallon, IL.

    Which board certifications does Dr. Fadi Siyam have?

    Dr. Fadi Siyam is certified by the American Board of Internal Medicine.