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Dr. Mary Rybak, MD

Belleville, IL

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Rybak, Internist in Belleville, IL?

    Dr. Mary Rybak, MD is an Internist, who primarily practices in Belleville, IL with 2 additional practice locations. She is board certified. Dr. Rybak is fluent in English, and is currently seeing new patients. Dr. Rybak’s practice accepts Medicare, UnitedHealthcare, Cigna and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Rybak’s office at (618) 257-6200.

    What are Areas of Expertise for Dr. Rybak?

    Dr. Mary Rybak, MD is a highly-rated, board-certified Internist known for expertly diagnosing, treating, and managing a wide array of related conditions or procedures. Utilizing the latest medical advancements and evidence-based practices, Dr. Rybak empowers patients to confidently navigate their health journey, specializing in Hormone Replacement Therapy, Primary Care, or comprehensive wellness support. Serving the Belleville/IL community, Dr. Rybak is dedicated to enhancing lives through expert, patient-centered care.

    Is Dr. Rybak board certified as an Internist?

    Yes, Dr. Mary Rybak, MD is board certified by the American Board of Internal Medicine

    What languages does Dr. Rybak speak?

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

    • English

    What conditions does Dr. Rybak treat?

    As an Internist, Dr. Rybak 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. Rybak. 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.

    Also known as:

    • Abnormal Hormone Levels in Female Genital Organs
    • Unusual hormone levels female genitals
    • Female reproductive hormone imbalance
    • Abnormal female genital hormones

    ICD-10 Codes:

    • R871: Abnormal level of hormones in specimens from female genital organs

    Also known as:

    • Routine Adult Health Checkup
    • Health Checkup
    • Adult physical exam
    • Annual wellness visit for adults
    • General adult medical exam

    ICD-10 Codes:

    • Z0000: Encounter for general adult medical examination without abnormal findings

    Also known as:

    • Primary Ovarian Failure
    • Ovarian Disorder
    • Premature Ovarian Insufficiency
    • Early Menopause
    • Ovarian Insufficiency

    ICD-10 Codes:

    • E2839: Other primary ovarian failure

    Also known as:

    • Abnormal Hormone Test Results
    • Irregular Endocrine Function Study
    • Unusual Gland Test Results
    • Hormone Imbalance Diagnosis

    ICD-10 Codes:

    • R947: Abnormal results of other endocrine function studies

    Also known as:

    • High C-Reactive Protein
    • Blood
    • C-Reactive Protein (CRP) Test
    • Elevated CRP
    • High CRP levels
    • C-reactive protein elevation

    ICD-10 Codes:

    • R7982: Elevated C-reactive protein (CRP)

    Also known as:

    • Unexplained Weight Gain
    • Sudden weight gain
    • Rapid weight increase
    • Abnormal increase in weight

    ICD-10 Codes:

    • R635: Abnormal weight gain

    Also known as:

    • Joint Pain
    • Joint Disorder
    • Pain
    • Arthralgia
    • Aching joints
    • Sore joints

    ICD-10 Codes:

    • M2550: Pain in unspecified joint

    Also known as:

    • Chronic Fatigue Syndrome (CFS)
    • Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
    • Myalgic encephalomyelitis (ME)
    • Long-term tiredness
    • Persistent fatigue

    ICD-10 Codes:

    • R5382: Chronic fatigue, unspecified

    Which procedures does Dr. Rybak perform as an Internist?

    As an Internist, procedures performed by Dr. Mary Rybak may include:

    For detailed information, please contact Dr. Rybak's office.

    Does Dr. Rybak accept my insurance?

    Dr. Rybak accepts most major insurance plans. Important: Please call our office at (618) 257-6200 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Rybak accept in Belleville, IL?

    Dr. Rybak in Belleville, IL accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • Centene

    • Chevron

    • CVS Health (formerly Aetna)

    • Department of Veterans Affairs

    • Elevance Health Inc. (formerly Anthem)

    • Express Scripts

    • Health Care Service Corporation (HCSC)

    • Medicare

    • State of Tennessee

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Rybak's office located?

    Dr. Mary Rybak's Primary Practice

    4550 Memorial Dr Ste 340

    Belleville, IL 62226

    (618) 257-6200

    Get Directions

    Dr. Mary Rybak's Practice 2

    1418 Cross St

    Shiloh, IL 62269

    Get Directions

    Dr. Mary Rybak's Practice 3

    1 Memorial Dr

    Alton, IL 62002

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

    Dr. Rybak's National Provider Identifier (NPI) number is 1962665059.

    What common questions do patients ask about Dr. Rybak?

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

    What is Dr. Mary Rybak's specialty?

    Dr. Rybak is a Internist near Belleville, IL.

    A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

    Contact Dr. Rybak to book an appointment today.

    Is this Dr. Mary Rybak affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Rybak is affiliated with Northwestern Memorial Hospital which is a Castle Connolly Top Hospital. 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

    Where can I learn more about Internist?

    Explore Internist with 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 Mary Rybak accepting new patients in Belleville, IL?

    Yes, Dr. Mary Rybak is accepting new patients at this time.

    Does Dr. Mary Rybak offer online booking?

    Please contact Dr. Rybak's office at (618) 257-6200 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Mary Rybak?

    Please contact Dr. Rybak's office at (618) 257-6200 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Mary Rybak have?

    Dr. Mary Rybak is certified by the American Board of Internal Medicine.

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