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Dr. Mario Castellanos, MD

Staten Island, NY

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Castellanos, Internist in Staten Island, NY?

    Dr. Mario Castellanos, MD is an Internist, who primarily practices in Staten Island, NY with 2 additional practice locations. He is board certified by the American Board of Internal Medicine. Dr. Castellanos graduated from Albany Medical College and completed his residency at Staten Island University Hospital. Dr. Castellanos is fluent in English and Spanish, and is currently seeing new patients. Dr. Castellanos’s practice accepts Medicaid, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Castellanos’s office.

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

    • Residency: Staten Island University Hospital | Staten Island University Hospital

    • Medical School: Albany Medical College

    Is Dr. Castellanos board certified in Internist?

    Yes, Dr. Mario Castellanos, MD is board certified by the American Board of Internal Medicine

    What languages does Dr. Castellanos speak?

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

    • English

    • Spanish

    What conditions does Dr. Castellanos treat?

    As a Internist, Dr. Castellanos 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. Castellanos. 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:

    • Type 2 Diabetes
    • Diabetes Type 2
    • Type 2 diabetes
    • Diabetes Mellitus Type 2
    • Adult-Onset Diabetes
    • Non-Insulin Dependent Diabetes

    ICD-10 Codes:

    • E119: Type 2 diabetes mellitus without complications

    Also known as:

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

    ICD-10 Codes:

    • I10: Essential (primary) hypertension

    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:

    • High Cholesterol
    • Cholesterol
    • Triglycerides
    • Hyperlipidemia
    • High lipids
    • Dyslipidemia

    ICD-10 Codes:

    • E785: Hyperlipidemia, unspecified

    Also known as:

    • Mammogram for Breast Cancer Screening
    • Health Screening
    • Mammography
    • Breast Cancer Screening (PDQ®)
    • Mammograms
    • Breast X-ray
    • Breast Cancer Check

    ICD-10 Codes:

    • Z1231: Encounter for screening mammogram for malignant neoplasm of breast

    Also known as:

    • Prediabetes
    • Insulin Resistance & Prediabetes
    • Borderline diabetes
    • Insulin resistance
    • High blood sugar (not yet diabetes)

    ICD-10 Codes:

    • R7303: Prediabetes

    Also known as:

    • Back Pain
    • Backache
    • Dorsalgia
    • Spinal Pain

    ICD-10 Codes:

    • M549: Dorsalgia, unspecified

    Also known as:

    • Anxiety Disorder
    • Anxiety
    • General Anxiety
    • Anxiety Problems
    • Nervous Disorder

    ICD-10 Codes:

    • F419: Anxiety disorder, unspecified

    Also known as:

    • Chest Pain
    • Chest discomfort
    • Thoracic pain
    • Upper body pain

    ICD-10 Codes:

    • R079: Chest pain, unspecified

    Also known as:

    • Anemia
    • Low Red Blood Cell Count
    • Low Hemoglobin
    • Iron deficiency

    ICD-10 Codes:

    • D649: Anemia, unspecified

    Also known as:

    • Abnormal Breast Imaging Results
    • Mammography
    • Inconclusive mammogram
    • Unclear breast scan results
    • Abnormal breast scan

    ICD-10 Codes:

    • R928: Other abnormal and inconclusive findings on diagnostic imaging of breast

    Also known as:

    • Asthma
    • Reactive Airway Disease
    • Bronchial Asthma
    • Allergic Asthma

    ICD-10 Codes:

    • J45909: Unspecified asthma, uncomplicated

    Also known as:

    • Routine Gynecological Exam (Normal Findings)
    • Women's Health Checkup
    • Women's checkup, all clear
    • Pelvic exam, normal results
    • OB/GYN visit, no issues

    ICD-10 Codes:

    • Z01419: Encounter for gynecological examination (general) (routine) without abnormal findings

    Also known as:

    • Abdominal Pain
    • Stomach Ache
    • Belly Pain
    • Stomach Pain

    ICD-10 Codes:

    • R109: Unspecified abdominal pain

    Also known as:

    • Hardening of the Arteries in the Heart without Chest Pain
    • Atherosclerosis
    • Coronary Artery Disease
    • Silent Coronary Artery Disease
    • Asymptomatic Atherosclerosis

    ICD-10 Codes:

    • I2510: Atherosclerotic heart disease of native coronary artery without angina pectoris

    Also known as:

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

    ICD-10 Codes:

    • E039: Hypothyroidism, unspecified

    Also known as:

    • Epilepsy
    • Seizure disorder
    • Convulsive disorder
    • Falling sickness

    ICD-10 Codes:

    • G40909: Epilepsy, unspecified, not intractable, without status epilepticus

    Also known as:

    • Immunization Visit
    • Vaccines
    • Vaccination appointment
    • Shot visit
    • Immunization encounter

    ICD-10 Codes:

    • Z23: Encounter for immunization

    Also known as:

    • Vitamin D Deficiency
    • Low Vitamin D Levels
    • Lack of Vitamin D
    • Hypovitaminosis D

    ICD-10 Codes:

    • E559: Vitamin D deficiency, unspecified

    Also known as:

    • Other Chronic Pain Condition
    • Chronic Pain
    • Various chronic pain
    • Unspecified long-term pain
    • Persistent pain disorders

    ICD-10 Codes:

    • G8929: Other chronic pain

    Which procedures does Dr. Castellanos perform as a Internist?

    As a Internist, procedures performed by an Dr. Mario Castellanos may include:

    For detailed information, please contact Dr. Castellanos' office.

    Does Dr. Castellanos accept my insurance?

    Dr. Castellanos accepts most major insurance plans. Important: Please call our office at before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Castellanos accept in Staten Island, NY?

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

    Top Insurances

    • Centene

    • Centers Plan for Healthy Living

    • CVS Health (formerly Aetna)

    • Express Scripts

    • Healthfirst

    • Humana

    • Medicaid

    • Medicare

    • National Benefit Fund

    • Service Employees International Union (SEIU)

    View All Insurances

    Where is Dr. Castellanos' office located?

    Dr. Mario Castellanos' Primary Practice

    242 Mason Ave

    Staten Island, NY 10305

    Get Directions

    Floor - Payer Relations

    1 Edgewater St Fl 6

    Staten Island, NY 10305

    Get Directions

    Dr. Mario Castellanos' Practice 3

    475 Seaview Ave

    Staten Island, NY 10305

    Get Directions

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

    Dr. Castellanos's National Provider Identifier (NPI) number is 1548243611.

    What common questions do patients ask about Dr. Castellanos?

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

    What is Dr. Mario Castellanos's specialty?

    Dr. Castellanos is a Internist near Staten Island, 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. Castellanos to book an appointment today.

    Is this Dr. Mario Castellanos affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Castellanos is affiliated with Staten Island University Hospital - North 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 Mario Castellanos accepting new patients in Staten Island, NY?

    Yes, Dr. Mario Castellanos is accepting new patients at this time.

    Does Dr. Mario Castellanos offer online booking?

    Please contact Dr. Castellanos's office for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Mario Castellanos?

    Please contact Dr. Castellanos's office for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Mario Castellanos have?

    Dr. Mario Castellanos is certified by the American Board of Internal Medicine.

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