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Dr. John Reyes-Castano, MD

Woodbridge, VA

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Reyes-Castano, Endocrinologist in Woodbridge, VA?

    Dr. John Reyes-Castano, MD is an Endocrinologist, who primarily practices in Woodbridge, VA with 2 additional practice locations. He is board certified. Dr. Reyes-Castano graduated from Universidad del Cauca Facultad de Ciencias de la Salud and completed his residency at Georgetown University Hospital/Washington Hospital Center Program. Dr. Reyes-Castano is fluent in English and Spanish, and is currently seeing new patients. Dr. Reyes-Castano’s practice accepts Kaiser Permanente and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Reyes-Castano’s office at (202) 877-9137.

    Where did Dr. Reyes-Castano go to medical school and complete their residency?

    • Residency: Georgetown University Hospital/Washington Hospital Center Program

    • Medical School: Universidad del Cauca Facultad de Ciencias de la Salud

    Is Dr. Reyes-Castano board certified as an Endocrinologist?

    Yes, Dr. John Reyes-Castano, MD is board certified by the American Board of Internal Medicine

    What languages does Dr. Reyes-Castano speak?

    Dr. Reyes-Castano and their clinical team can communicate with patients in the following languages:

    • English

    • Spanish

    What conditions does an Endocrinologist like Dr. Reyes-Castano typically treat?

    As an Endocrinologist, Dr. Reyes-Castano 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. Reyes-Castano. 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.

    Also known as:

    • Graves' Disease
    • Hyperthyroidism
    • Graves' disease
    • Graves Disease
    • Hyperthyroidism (Overactive Thyroid)
    • Hyperthyroidism with Goiter
    • Toxic Diffuse Goiter
    • Overactive Thyroid with Enlarged Gland
    • Overactive Thyroid
    • Thyrotoxicosis
    • High Thyroid Function

    ICD-10 Codes:

    • E0500: Thyrotoxicosis with diffuse goiter without thyrotoxic crisis or storm
    • E0590: Thyrotoxicosis, unspecified without thyrotoxic crisis or storm

    Also known as:

    • Type 1 Diabetes with High Blood Sugar
    • Diabetes Type 1
    • Hyperglycemia
    • Type 1 diabetes
    • Diabetic Hyperglycemia
    • High Glucose in Type 1 Diabetes
    • High Blood Sugar Episode

    ICD-10 Codes:

    • E1065: Type 1 diabetes mellitus with hyperglycemia

    Also known as:

    • Transgender Identity
    • Gender Dysphoria
    • Transsexual Identity
    • Gender Transition

    ICD-10 Codes:

    • F640: Transsexualism

    Also known as:

    • Type 2 Diabetes with High Blood Sugar
    • Diabetes Type 2
    • Hyperglycemia
    • Type 2 diabetes
    • Diabetic Hyperglycemia
    • High Blood Glucose
    • High Sugar Levels

    ICD-10 Codes:

    • E1165: Type 2 diabetes mellitus with hyperglycemia

    What procedures does an Endocrinologist like Dr. Reyes-Castano typically perform?

    As an Endocrinologist, Dr. Reyes-Castano performs a variety of medical procedures. This procedure information is derived from anonymized insurance claims and highlights the medical procedures most commonly performed by Dr. Reyes-Castano. 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.

    Also known as:

    • Ultrasound-Guided Fine Needle Biopsy
    • Ultrasound-Guided Fine Needle Aspiration Biopsy
    • Biopsy
    • Ultrasound
    • FNA Biopsy with Ultrasound
    • Image-Guided Biopsy
    • Fine Needle Aspiration
    • First Lesion Biopsy
    • Needle Biopsy with Ultrasound

    CPT Codes:

    • 10005: Fine needle aspiration biopsy, including ultrasound guidance; first lesion
    • 10006: Fine needle aspiration biopsy, including ultrasound guidance; each additional lesion (List separately in addition to code for primary procedure)

    Does Dr. Reyes-Castano accept my insurance?

    Dr. Reyes-Castano accepts most major insurance plans. Important: Please call our office at (202) 877-9137 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Reyes-Castano accept in Woodbridge, VA?

    Dr. Reyes-Castano in Woodbridge, VA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • Cigna Group

    • Kaiser Permanente

    • Unknown

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    Where is Dr. Reyes-Castano's office located?

    Dr. John Reyes-Castano's Primary Practice

    13285 Minnieville Rd

    Woodbridge, VA 22192

    (202) 877-9137

    Get Directions

    Dr. John Reyes-Castano's Practice 2

    1701 Twin Springs Rd

    Halethorpe, MD 21227

    Get Directions

    Dr. John Reyes-Castano's Practice 3

    1221 Mercantile Ln

    Largo, MD 20774

    Get Directions

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

    Dr. Reyes-Castano's National Provider Identifier (NPI) number is 1073770145.

    What common questions do patients ask about Dr. Reyes-Castano?

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

    What is Dr. John Reyes-Castano's specialty?

    Dr. Reyes-Castano is a Endocrinologist near Woodbridge, VA.

    What does an Endocrinologist do?

    An internist specializing in disorders of the endocrine glands, including the thyroid and adrenal glands. This specialist also manages a range of conditions such as diabetes, metabolic and nutritional disorders, obesity, pituitary disorders, and menstrual and sexual health issues.

    Is this Dr. John Reyes-Castano affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Reyes-Castano is affiliated with Medstar Washington Hospital 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 Endocrinologist?: Guides for symptoms, conditions, and treatments

    Understand your symptoms and know when it’s time to see an Endocrinologist. 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 John Reyes-Castano accepting new patients in Woodbridge, VA?

    Yes, Dr. John Reyes-Castano is accepting new patients at this time.

    Does Dr. John Reyes-Castano offer online booking?

    Please contact Dr. Reyes-Castano's office at (202) 877-9137 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with John Reyes-Castano?

    Please contact Dr. Reyes-Castano's office at (202) 877-9137 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. John Reyes-Castano have?

    Dr. John Reyes-Castano is certified by the American Board of Internal Medicine.

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