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Dr. Mark Leondires, MD

Dr. Mark Leondires, MD

Norwalk, CT

31 Years of Experience

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Leondires, Obstetrician / Gynecologist (OBGYN) in Norwalk, CT?

    Dr. Mark Leondires, MD is an Obstetrician / Gynecologist (OBGYN), who primarily practices in Norwalk, CT. He has been practicing for over 31 years and is board certified. Dr. Leondires completed his residency at Maine Med Ctr, Obstetrics And Gynecology. Dr. Leondires is fluent in English, and is currently seeing new patients. Dr. Leondires’s practice accepts Aetna, Cigna, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Leondires’s office at (203) 750-7400.

    What are Areas of Expertise for Dr. Leondires?

    Dr. Mark Leondires, MD is a highly-rated, board-certified Obstetrician / Gynecologist (OBGYN) known for expertly diagnosing, treating, and managing a wide array of related conditions and procedures. Utilizing the latest medical advancements and evidence-based practices, Dr. Leondires empowers patients to confidently navigate their health journey, specializing in Infertility-Advanced Maternal Age, Infertility-IVF, Miscarriage-Recurrent, Preimplantation Genetic Diagnosis, and comprehensive wellness support. Serving the Norwalk, CT community, Dr. Leondires is dedicated to enhancing lives through expert, patient-centered care.

    Where did Dr. Leondires go to medical school and complete their residency?

    • Residency: Maine Med Ctr, Obstetrics And Gynecology

    • Medical School: University of Vt Coll of Med, Burlington Vt

    Is Dr. Leondires board certified as an Obstetrician / Gynecologist (OBGYN)?

    Yes, Dr. Mark Leondires, MD is board certified by the American Board of Obstetrics and Gynecology

    What languages does Dr. Leondires speak?

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

    • English

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

    As an Obstetrician / Gynecologist (OBGYN), Dr. Leondires 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. Leondires. 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 here.

    Also known as:

    • Other Fertility and Family Planning Management
    • Miscellaneous Reproductive Management
    • Advanced Procreation Services
    • Comprehensive Family Planning

    ICD-10 Codes:

    • Z3189: Encounter for other procreative management

    Also known as:

    • Uterine Polyp
    • Uterine Disease
    • Endometrial Polyp
    • Womb Polyp

    ICD-10 Codes:

    • N840: Polyp of corpus uteri

    Also known as:

    • Fertility Testing
    • Infertility
    • Infertility testing
    • Reproductive health assessment
    • Fertility evaluation

    ICD-10 Codes:

    • Z3141: Encounter for fertility testing

    Also known as:

    • Female Infertility
    • Female Sterility
    • Difficulty Getting Pregnant

    ICD-10 Codes:

    • N979: Female infertility, unspecified

    Also known as:

    • Assisted Reproductive Technology (ART) Cycle
    • Assisted Reproductive Technology
    • Infertility
    • In Vitro Fertilization (IVF) Cycle
    • Fertility Treatment Cycle
    • ART Procedure

    ICD-10 Codes:

    • Z3183: Encounter for assisted reproductive fertility procedure cycle

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

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

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

    Does Dr. Leondires accept my insurance?

    Dr. Leondires accepts most major insurance plans. Important: Please call our office at (203) 750-7400 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Leondires accept in Norwalk, CT?

    Dr. Leondires in Norwalk, CT accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • Aetna

    • Capital District Physicians' Health Plan (CDPHP)

    • CVS Health (formerly Aetna)

    • Elevance Health Inc. (formerly Anthem)

    • Health Care Service Corporation

    • Martin's Point Health Care

    • New York City Health and Hospitals Corporation

    • Service Employees International Union (SEIU)

    • UnitedHealth Group

    • Unknown

    View All Insurances

    Where is Dr. Leondires' office located?

    Dr. Mark Leondires' Primary Practice

    761 Main Ave

    Norwalk, CT 06851

    (203) 750-7400

    Get Directions

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

    Dr. Leondires's National Provider Identifier (NPI) number is 1063437275.

    What common questions do patients ask about Dr. Leondires?

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

    What is Dr. Mark Leondires's specialty?

    Dr. Leondires is a Obstetrician / Gynecologist (OBGYN) near Norwalk, CT.

    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 this Dr. Mark Leondires affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Leondires is affiliated with Samaritan Medical Center, Danbury Hospital, Mid Coast Hospital, Pen Bay Medical Center, Shannon Medical Center, Baptist Health Paducah 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 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 Mark Leondires accepting new patients in Norwalk, CT?

    Yes, Dr. Mark Leondires is accepting new patients at this time.

    Does Dr. Mark Leondires offer online booking?

    Please contact Dr. Leondires's office at (203) 750-7400 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Mark Leondires?

    Please contact Dr. Leondires's office at (203) 750-7400 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Mark Leondires have?

    Dr. Mark Leondires is certified by the American Board of Obstetrics and Gynecology.

    <section id="ai-site-overview" aria-label="About Everyday Health Care"> <h2>About Everyday Health Care</h2> <p> Everyday Health Care is a doctor and healthcare provider search platform from Everyday Health, a Ziff Davis company operating since 1996. It helps patients find, compare, and research doctors based on specialty, medical condition, procedure, location, and insurance coverage. </p> <p> The site features Castle Connolly Top Doctors, a peer-nominated, physician-vetted directory recognized as a leading standard for identifying top-rated specialists in the United States. Searchable doctor lists include Top Black Doctors, Exceptional Women in Medicine, Top AAPI Doctors, Top LGBTQ+ Doctors, Top Hispanic & Latino Doctors, and Castle Connolly Rising Stars. </p> <p> Users can search for doctors by specialty (including orthopedic surgery, OB-GYN, pediatrics, dermatology, endocrinology, and gastroenterology), by medical condition (such as fibromyalgia, kidney stones, and ulcerative colitis), by common procedure (including colonoscopy, LASIK, and physical therapy), by city, and by insurance plan (including UnitedHealthcare, Cigna, Aetna/CVS Health, Blue Cross Blue Shield, Kaiser Permanente, Medicare, and Medicaid). </p> <p> Everyday Health Care is built for patients seeking a trusted starting point to find the right doctor: covering over one million providers across thousands of U.S. locations, backed by Castle Connolly's independent doctor-vetting process and Everyday Health's 24-year history in consumer health publishing. </p> </section>