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Dr. Sydney Thayer, MD

Obstetrician / Gynecologist (OBGYN), Maternal & Fetal Medicine Specialist

Saint Louis, MO

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Thayer, Obstetrician / Gynecologist (OBGYN) in Saint Louis, MO?

    Dr. Sydney Thayer, MD is an Obstetrician / Gynecologist (OBGYN), who primarily practices in Saint Louis, MO with 2 additional practice locations. Dr. Thayer is fluent in English and Spanish, and is currently seeing new patients. Dr. Thayer’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Thayer’s office at (503) 494-8211.

    What languages does Dr. Thayer speak?

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

    • English
    • Spanish

    What conditions does an Obstetrician / Gynecologist (OBGYN) like Dr. Thayer typically treat?

    As an Obstetrician / Gynecologist (OBGYN), conditions treated by Dr. Sydney Thayer may include:

    Please contact Dr. Thayer's office directly to confirm care for your specific condition, for more information, or to schedule a consultation.

    What procedures does an Obstetrician / Gynecologist (OBGYN) like Dr. Thayer typically perform?

    As an Obstetrician / Gynecologist (OBGYN), procedures performed by Dr. Sydney Thayer may include:

    Please contact Dr. Thayer's office directly to confirm care for your specific procedure, for more information, or to schedule a consultation.

    Does Dr. Thayer accept my insurance?

    Dr. Thayer accepts most major insurance plans. Important: Please call our office at (503) 494-8211 before your appointment to verify that your specific plan and network are accepted.

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

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

    Top Insurances

    • Corporate Services

    • Medicare

    • Other Health Care Provider

    • State of Illinois

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    Where is Dr. Thayer's office located?

    Div Obgyn Mfm / Ultrasound

    4901 Forest Park Ave Ste 710

    Saint Louis, MO 63108

    (503) 494-8211

    Get Directions

    Dr. Sydney Thayer's Practice 2

    20 Progress Point Pkwy Ste 126

    O Fallon, MO 63368

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    Dr. Sydney Thayer's Practice 3

    3023 N Ballas Rd Ste 450

    Saint Louis, MO 63131

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    What hospitals are Dr. Thayer affiliated with?

    CastleConnolyTopDoctors

    Castle Connolly Top Hospital

    This doctor is affiliated with a Castle Connolly Top Hospital.

    Dr. Thayer has admitting privileges at the following hospitals:

    Washington University School Of Medicine,Saint Louis, MO
    Barnes - Jewish Hospital,Saint Louis, MO

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

    Dr. Thayer's National Provider Identifier (NPI) number is 1427581768.

    What common questions do patients ask about Dr. Thayer?

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

    What is Dr. Sydney Thayer's specialty?

    Dr. Thayer is an Obstetrician / Gynecologist (OBGYN) near Saint Louis, MO.

    What does an Obstetrician / Gynecologist (OBGYN) do?

    An obstetrician/gynecologist has specialized knowledge, skills, and expertise in the medical and surgical management of the female reproductive system and related disorders. This physician acts as a consultant to other healthcare providers while also serving as a primary care physician for women, addressing their unique health needs throughout various stages of life.

    Is Dr. Sydney Thayer affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Thayer is affiliated with Missouri Baptist Medical Center 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

    When to see an Obstetrician / Gynecologist (OBGYN)?: Guides for symptoms, conditions, and treatments

    Understand your symptoms and know when it’s time to see an Obstetrician / Gynecologist (OBGYN). 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. Sydney Thayer accepting new patients in Saint Louis, MO?

    Yes, Dr. Sydney Thayer is accepting new patients at this time.

    Does Dr. Sydney Thayer offer online booking?

    Please contact Dr. Thayer's office at (503) 494-8211 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Dr. Sydney Thayer?

    Please contact Dr. Thayer's office at (503) 494-8211 to schedule an appointment.

    Where is Dr. Thayer's office located?

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