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Dr. Wilfredo Alejo, MD

Diamond Bar, CA

32 Years of Experience

Accepting patients
Telehealth

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Alejo, Pediatrician in Diamond Bar, CA?

    Dr. Wilfredo Alejo, MD is a Pediatrician, who primarily practices in Diamond Bar, CA with 1 additional practice location. He has been practicing for over 32 years and is board certified by the American Board of Pediatrics. Dr. Alejo graduated from Dr. Nicanor Reyes Medical Foundation Institute of Medicine - Far Eastern University and completed his residency at Ucla Med Ctr/Ucla D Geffen Sch, Pediatrics; St John Hosp & Med Ctr, Pediatrics. Dr. Alejo is fluent in English and Tagalog, and is currently seeing new patients. Dr. Alejo’s practice accepts Cigna, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Alejo’s office at (909) 860-1144.

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

    • Residency: Ucla Med Ctr/Ucla D Geffen Sch, Pediatrics; St John Hosp & Med Ctr, Pediatrics

    • Medical School: Dr. Nicanor Reyes Medical Foundation Institute of Medicine - Far Eastern University | Dr. Nicanor Reyes Medical Foundation Institute of Medicine - Far Eastern University

    Is Dr. Alejo board certified in Pediatrician?

    Yes, Dr. Wilfredo Alejo, MD is board certified by the American Board of Pediatrics

    What languages does Dr. Alejo speak?

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

    • English

    • Tagalog

    What conditions does Dr. Alejo treat?

    As a Pediatrician, Dr. Alejo 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. Alejo. 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:

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

    ICD-10 Codes:

    • Z23: Encounter for immunization

    Also known as:

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

    ICD-10 Codes:

    • J069: Acute upper respiratory infection, 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:

    • Newborn Checkup (Under 8 Days Old)
    • Baby Health Checkup
    • Infant and Newborn Care
    • Early infant health exam
    • First week baby checkup
    • Post-delivery newborn exam

    ICD-10 Codes:

    • Z00110: Health examination for newborn under 8 days old

    Also known as:

    • Cough
    • Coughing
    • Persistent cough
    • Chronic cough

    ICD-10 Codes:

    • R059: Cough, unspecified

    Also known as:

    • Stuffy Nose
    • Nose Injuries and Disorder
    • Blocked nose
    • Nasal congestion
    • Congested nose

    ICD-10 Codes:

    • R0981: Nasal congestion

    Also known as:

    • Developmental Speech and Language Disorder
    • Speech and Communication Disorder
    • Childhood Language Delay
    • Global Speech Delay
    • Unspecified Communication Disorder

    ICD-10 Codes:

    • F809: Developmental disorder of speech and language, unspecified

    Also known as:

    • Follow-up After Treatment (Non-Cancer)
    • Post-Treatment Check-up
    • Aftercare Visit
    • Recovery Monitoring Exam

    ICD-10 Codes:

    • Z09: Encounter for follow-up examination after completed treatment for conditions other than malignant neoplasm

    Also known as:

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

    ICD-10 Codes:

    • H109: Unspecified conjunctivitis

    Also known as:

    • Skin Rash
    • Rashes
    • Skin Eruption
    • Hives
    • Dermatitis
    • Skin Inflammation

    ICD-10 Codes:

    • R21: Rash and other nonspecific skin eruption

    Also known as:

    • Vomiting
    • Nausea and Vomiting
    • Throwing up
    • Emesis
    • Puking

    ICD-10 Codes:

    • R1110: Vomiting, unspecified

    Also known as:

    • Wheezing
    • Breathing Problems
    • Whistling breath
    • Wheezy breathing
    • Asthmatic breathing

    ICD-10 Codes:

    • R062: Wheezing

    Also known as:

    • Non-Infectious Gastroenteritis and Colitis
    • Digestive Disease
    • Inflammation of Stomach and Intestines
    • Non-Bacterial Colitis
    • Gut Inflammation

    ICD-10 Codes:

    • K529: Noninfective gastroenteritis and colitis, unspecified

    Also known as:

    • Exposure to COVID-19
    • COVID-19 (Coronavirus Disease 2019)
    • COVID-19 contact
    • Suspected coronavirus exposure
    • SARS-CoV-2 exposure

    ICD-10 Codes:

    • Z20822: Contact with and (suspected) exposure to COVID-19

    Also known as:

    • Pneumonia
    • Lung Infection
    • Chest Infection
    • Pneumonitis

    ICD-10 Codes:

    • J189: Pneumonia, unspecified organism

    Also known as:

    • Autism
    • Autism Spectrum Disorder
    • Classic Autism', 'Kanner's Syndrome
    • Severe Autism

    ICD-10 Codes:

    • F840: Autistic disorder

    Also known as:

    • Acute Maxillary Sinus Infection
    • Sinusitis
    • Acute maxillary sinusitis
    • Short-term cheekbone sinus infection
    • Maxillary sinus inflammation

    ICD-10 Codes:

    • J0100: Acute maxillary sinusitis, unspecified

    Also known as:

    • Behavioral Changes
    • Mental Disorder
    • Changes in behavior
    • Unusual appearance
    • Behavioral symptoms

    ICD-10 Codes:

    • R4689: Other symptoms and signs involving appearance and behavior

    Which procedures does Dr. Alejo perform as a Pediatrician?

    As a Pediatrician, procedures performed by a Dr. Wilfredo Alejo may include:

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

    Does Dr. Alejo accept my insurance?

    Dr. Alejo accepts most major insurance plans. Important: Please call our office at (909) 860-1144 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Alejo accept in Diamond Bar, CA?

    Dr. Alejo in Diamond Bar, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • All Other Territories

    • All Other Third Party

    • CalOptima

    • Centene

    • Cigna

    • CVS Health (formerly Aetna)

    • Elevance Health Inc. (formerly Anthem)

    • Other Health Care Provider

    • St. Joseph Health System (CA)

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Alejo's office located?

    Dr. Wilfredo Alejo also offers virtual visits

    Dr. Wilfredo Alejo's Primary Practice

    1514 Valley Vista Dr

    Diamond Bar, CA 91765

    (909) 860-1144

    Get Directions

    Dr. Wilfredo Alejo's Practice 2

    420 W Rowland St

    Covina, CA 91723

    Get Directions

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

    Dr. Alejo's National Provider Identifier (NPI) number is 1114990785.

    What common questions do patients ask about Dr. Alejo?

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

    What is Dr. Wilfredo Alejo's specialty?

    Dr. Alejo is a Pediatrician near Diamond Bar, CA. 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. Contact Dr. Alejo to book an appointment today.

    Is this Dr. Wilfredo Alejo affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Alejo is affiliated with Providence St. Jude Medical Center, Providence St. Jude Medical Center, Providence St. Jude Medical Center 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 Pediatrician?

    Explore Pediatrician 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 Wilfredo Alejo accepting new patients in Diamond Bar, CA?

    Yes, Dr. Wilfredo Alejo is accepting new patients at this time.

    Does Dr. Wilfredo Alejo offer online booking?

    Please contact Dr. Alejo's office at (909) 860-1144 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Wilfredo Alejo?

    Please contact Dr. Alejo's office at (909) 860-1144 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Wilfredo Alejo have?

    Dr. Wilfredo Alejo is certified by the American Board of Pediatrics.

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