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Dr. Marissa Boniszewski

Buffalo, NY

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Boniszewski, Internist in Buffalo, NY?

    Dr. Marissa Boniszewski is an Internist, who primarily practices in Buffalo, NY with 1 additional practice location. She is board certified. Dr. Boniszewski is fluent in English, and is currently seeing new patients. Dr. Boniszewski’s practice accepts Medicaid, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Boniszewski’s office at (716) 898-3000.

    What languages does Dr. Boniszewski speak?

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

    • English

    What conditions does Dr. Boniszewski treat?

    As a Internist, Dr. Boniszewski 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. Boniszewski. 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:

    • High Blood Pressure
    • Hypertension
    • Primary Hypertension
    • Essential Hypertension

    ICD-10 Codes:

    • I10: Essential (primary) hypertension

    Also known as:

    • Urinary Tract Infection
    • UTI
    • Bladder infection
    • Kidney infection
    • Urine infection

    ICD-10 Codes:

    • N390: Urinary tract infection, site not specified

    Also known as:

    • Sepsis
    • Blood Poisoning
    • Septicemia
    • Systemic Bacterial Infection

    ICD-10 Codes:

    • A419: Sepsis, unspecified organism

    Also known as:

    • Other Cerebral Palsy
    • Cerebral Palsy
    • Mixed Cerebral Palsy
    • Atypical CP
    • Unspecified Cerebral Palsy

    ICD-10 Codes:

    • G808: Other cerebral palsy

    Also known as:

    • Fainting
    • Syncope
    • Passing out
    • Collapse

    ICD-10 Codes:

    • R55: Syncope and collapse

    Also known as:

    • Acute Kidney Failure
    • Kidney Failure
    • Acute Renal Failure
    • Sudden Kidney Failure

    ICD-10 Codes:

    • N179: Acute kidney failure, unspecified

    Which procedures does Dr. Boniszewski perform as a Internist?

    As a Internist, procedures performed by an Dr. Marissa Boniszewski may include:

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

    Does Dr. Boniszewski accept my insurance?

    Dr. Boniszewski accepts most major insurance plans. Important: Please call our office at (716) 898-3000 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Boniszewski accept in Buffalo, NY?

    Dr. Boniszewski in Buffalo, NY accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • Blue Cross and Blue Shield of Nebraska

    • Corporate Services

    • CVS Health (formerly Aetna)

    • Horizon BlueCross BlueShield

    • Humana

    • Independent Health

    • Martin's Point

    • Medicare

    • State of Tennessee

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Boniszewski's office located?

    Dr. Marissa Boniszewski's Primary Practice

    462 Grider St

    Buffalo, NY 14215

    (716) 898-3000

    Get Directions

    Dr. Marissa Boniszewski's Practice 2

    325 Essjay Rd

    Williamsville, NY 14221

    (716) 656-4868

    Get Directions

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

    Dr. Boniszewski's National Provider Identifier (NPI) number is 1780181347.

    What common questions do patients ask about Dr. Boniszewski?

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

    What is Dr. Marissa Boniszewski's specialty?

    Dr. Boniszewski is a Internist near Buffalo, NY.

    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. Boniszewski to book an appointment today.

    Is this Dr. Marissa Boniszewski affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Boniszewski is affiliated with Mercy Hospital of Buffalo, Kenmore Mercy Hospital, Olean General Hospital 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

    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 Marissa Boniszewski accepting new patients in Buffalo, NY?

    Yes, Dr. Marissa Boniszewski is accepting new patients at this time.

    Does Dr. Marissa Boniszewski offer online booking?

    Please contact Dr. Boniszewski's office at (716) 898-3000 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Marissa Boniszewski?

    Please contact Dr. Boniszewski's office at (716) 898-3000 for information regarding telehealth appointment availability or for scheduling assistance.

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