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Dr. Allen Castillo, MD

Dr. Allen Castillo, MD

Harvard, IL

34 Years of Experience

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Castillo, Pediatrician in Harvard, IL?

    Dr. Allen Castillo, MD is a Pediatrician, who primarily practices in Harvard, IL with 1 additional practice location. He has been practicing for over 34 years. Dr. Castillo graduated from University of Santo Tomas Faculty of Medicine and Surgery and completed his residency at St Louis University School of Medicine Program. Dr. Castillo is fluent in English and Spanish, and is currently seeing new patients. To book an appointment or to confirm insurance options, please call Dr. Castillo’s office at (815) 943-1122.

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

    • Residency: St Louis University School of Medicine Program

    • Medical School: University of Santo Tomas Faculty of Medicine and Surgery

    What languages does Dr. Castillo speak?

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

    • English

    • Spanish

    What conditions does a Pediatrician like Dr. Castillo typically treat?

    As a Pediatrician, Dr. Castillo 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. Castillo. 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:

    • Routine Child Health Examination (Normal Findings)
    • Health Checkup
    • Normal Well-Child Checkup
    • Child Physical Exam (No Issues)
    • Routine Pediatric Exam (Clear)

    ICD-10 Codes:

    • Z00129: Encounter for routine child health examination without abnormal findings

    Also known as:

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

    ICD-10 Codes:

    • Z23: Encounter for immunization

    Also known as:

    • Ear Infection
    • Otitis Media
    • Middle Ear Infection
    • Ear Inflammation

    ICD-10 Codes:

    • H66003: Acute suppurative otitis media without spontaneous rupture of ear drum, bilateral

    Also known as:

    • Sinusitis
    • Sinus Infection
    • Rhinosinusitis
    • Acute Sinus Infection

    ICD-10 Codes:

    • J0190: Acute sinusitis, unspecified

    Also known as:

    • Fever
    • High temperature
    • Pyrexia
    • Elevated body temperature

    ICD-10 Codes:

    • R509: Fever, unspecified

    Also known as:

    • Sore Throat
    • Acute pharyngitis
    • Throat inflammation
    • Acute throat infection

    ICD-10 Codes:

    • J029: Acute pharyngitis, unspecified

    Also known as:

    • Common Cold
    • Upper Respiratory Infection
    • Head Cold
    • Cold Symptoms

    ICD-10 Codes:

    • J069: Acute upper respiratory infection, unspecified

    Also known as:

    • Viral Intestinal Infection
    • Gastroenteritis
    • Viral Infection
    • Viral Gastroenteritis (Stomach Flu)
    • Viral stomach flu
    • Viral enteritis
    • Viral gut infection

    ICD-10 Codes:

    • A084: Viral intestinal infection, unspecified

    Also known as:

    • Tonsillitis
    • Inflamed Tonsils
    • Tonsil Infection
    • Sore Tonsils

    ICD-10 Codes:

    • J0390: Acute tonsillitis, unspecified

    Also known as:

    • Pink Eye
    • Conjunctivitis
    • Red Eye
    • Eye Infection
    • Sore Eye

    ICD-10 Codes:

    • H109: Unspecified conjunctivitis

    What procedures does a Pediatrician like Dr. Castillo typically perform?

    As a Pediatrician, procedures performed by Dr. Allen Castillo may include:

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

    Does Dr. Castillo accept my insurance?

    Dr. Castillo accepts most major insurance plans. Important: Please call our office at (815) 943-1122 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Castillo accept in Harvard, IL?

    Dr. Castillo in Harvard, IL accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • State of Illinois

    • Unknown

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    Where is Dr. Castillo's office located?

    Dr. Allen Castillo's Primary Practice

    348 S Division St

    Harvard, IL 60033

    (815) 943-1122

    Get Directions

    Dr. Allen Castillo's Practice 2

    875 S Il Route 31

    Crystal Lake, IL 60014

    Get Directions

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

    Dr. Castillo's National Provider Identifier (NPI) number is 1396881850.

    What common questions do patients ask about Dr. Castillo?

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

    What is Dr. Allen Castillo's specialty?

    Dr. Castillo is a Pediatrician near Harvard, IL.

    What does a Pediatrician do?

    A pediatrician focuses on the physical, emotional, and social health of children from birth through young adulthood. Their care includes a wide range of health services, from preventive healthcare to diagnosing and treating acute and chronic diseases. Pediatricians consider the biological, social, and environmental influences on a child's development, as well as how diseases and dysfunctions can impact growth and overall development.

    Is this Dr. Allen Castillo affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Castillo is affiliated with Northwestern Medicine Mchenry Hospital 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 a Pediatrician?: Guides for symptoms, conditions, and treatments

    Understand your symptoms and know when it’s time to see a Pediatrician. 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 Allen Castillo accepting new patients in Harvard, IL?

    Yes, Dr. Allen Castillo is accepting new patients at this time.

    Does Dr. Allen Castillo offer online booking?

    Please contact Dr. Castillo's office at (815) 943-1122 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Allen Castillo?

    Please contact Dr. Castillo's office at (815) 943-1122 for information regarding telehealth appointment availability or for scheduling assistance.

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