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Dr. Dionisio Fernandes, MD

San Leandro, CA

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Fernandes, Allergist & Immunologist in San Leandro, CA?

    Dr. Dionisio Fernandes, MD is an Allergist & Immunologist, who primarily practices in San Leandro, CA. He is board certified by the American Board of Allergy and Immunology and American Board of Pediatrics. Dr. Fernandes completed his residency at Med Ctr La New Orleans-Lsu, Pediatric Allergy; Baylor Coll Of Med, Pediatrics; Interfaith Med Ctr, Pediatrics. Dr. Fernandes is fluent in English and Portuguese, and is currently seeing new patients. Dr. Fernandes’s practice accepts UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Fernandes’s office at (510) 352-8585.

    What are Areas of Expertise for Dr. Fernandes?

    Dr. Dionisio Fernandes, MD is a highly-rated, board-certified Allergist & Immunologist known for expertly diagnosing, treating, and managing a wide array of related conditions or procedures. Utilizing the latest medical advancements and evidence-based practices, Dr. Fernandes empowers patients to confidently navigate their health journey, specializing in Asthma, Pediatric Allergy & Immunology, or comprehensive wellness support. Serving the San Leandro/CA community, Dr. Fernandes is dedicated to enhancing lives through expert, patient-centered care.

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

    • Residency: Med Ctr La New Orleans-Lsu, Pediatric Allergy; Baylor Coll Of Med, Pediatrics; Interfaith Med Ctr, Pediatrics

    Is Dr. Fernandes board certified in Allergist & Immunologist?

    Yes, Dr. Dionisio Fernandes, MD is board certified by the American Board of Allergy and Immunology , American Board of Pediatrics

    What languages does Dr. Fernandes speak?

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

    • English

    • Portuguese

    What conditions does Dr. Fernandes treat?

    As a Allergist & Immunologist, Dr. Fernandes 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. Fernandes. 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:

    • 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:

    • Child Health Checkup with Abnormal Findings
    • Health Checkup
    • Routine child exam with issues
    • Pediatric checkup with concerns
    • Child wellness visit with abnormal results

    ICD-10 Codes:

    • Z00121: Encounter for routine child health examination with abnormal findings

    Also known as:

    • Iron Deficiency Anemia
    • Anemia
    • Iron
    • Anemia from Iron Lack
    • Low Iron Anemia
    • Sideropenic Anemia

    ICD-10 Codes:

    • D508: Other iron deficiency anemias

    Also known as:

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

    ICD-10 Codes:

    • Z23: Encounter for immunization

    Also known as:

    • Adolescent Development Checkup
    • Teen Development
    • Teen development exam
    • Puberty checkup
    • Adolescent growth assessment

    ICD-10 Codes:

    • Z003: Encounter for examination for adolescent development state

    Which procedures does Dr. Fernandes perform as a Allergist & Immunologist?

    As a Allergist & Immunologist, procedures performed by an Dr. Dionisio Fernandes may include:

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

    Does Dr. Fernandes accept my insurance?

    Dr. Fernandes accepts most major insurance plans. Important: Please call our office at (510) 352-8585 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Fernandes accept in San Leandro, CA?

    Dr. Fernandes in San Leandro, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • Alameda Alliance

    • All Other Third Party

    • Blue Shield of California

    • Community Health Network

    • CVS Health (formerly Aetna)

    • Other Health Care Provider

    • State of California

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Fernandes' office located?

    Dr. Dionisio Fernandes' Primary Practice

    13847 E 14th St Ste 112

    San Leandro, CA 94578

    (510) 352-8585

    Get Directions

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

    Dr. Fernandes's National Provider Identifier (NPI) number is 1285691121.

    What common questions do patients ask about Dr. Fernandes?

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

    What is Dr. Dionisio Fernandes's specialty?

    Dr. Fernandes is a Allergist & Immunologist near San Leandro, CA. An allergist-immunologist is well-versed in the assessment, physical examination, laboratory diagnosis, and treatment of immune system disorders. These conditions include, but are not limited to, eczema, asthma, anaphylaxis, rhinitis, and adverse reactions to food, medication, and insect stings. Furthermore, they manage immune deficiency diseases, whether acquired or congenital, issues with host defense, and challenges associated with autoimmune diseases, organ transplantation, or immune system malignancies. Contact Dr. Fernandes to book an appointment today.

    Is this Dr. Dionisio Fernandes affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Fernandes is affiliated with Eden Medical 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

    Where can I learn more about Allergist & Immunologist?

    Explore Allergist & Immunologist 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 Dionisio Fernandes accepting new patients in San Leandro, CA?

    Yes, Dr. Dionisio Fernandes is accepting new patients at this time.

    Does Dr. Dionisio Fernandes offer online booking?

    Please contact Dr. Fernandes's office at (510) 352-8585 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Dionisio Fernandes?

    Please contact Dr. Fernandes's office at (510) 352-8585 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Dionisio Fernandes have?

    Dr. Dionisio Fernandes is certified by the American Board of Allergy and Immunology and American Board of Pediatrics.

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