Experienced in Heart Failure

Dr. Juan Alejos

Pediatric Cardiology
Office
200 Med Plz Ste 330, 
Los Angeles, CA 

Experienced in Heart Failure
Office
200 Med Plz Ste 330, 
Los Angeles, CA 
OverviewInsuranceLocationsClinical ResearchSimilar Doctors

Overview

Juan Alejos is a Pediatric Cardiologist in Los Angeles, California. Dr. Alejos is rated as an Experienced provider by MediFind in the treatment of Heart Failure. His top areas of expertise are Giant Cell Myocarditis, Myocarditis, Cerebral Hypoxia, Congenital Heart Disease (CHD), and Heart Transplant.

His clinical research consists of co-authoring 34 peer reviewed articles. MediFind looks at clinical research from the past 15 years. In particular, he has co-authored 9 articles in the study of Heart Failure.

Specialties
Pediatric Cardiology
Licenses
Pediatric Cardiology in CA
Languages Spoken
English
Gender
Male

Insurance

Accepted insurance can change. Please verify directly with the provider.

Find your insurance
Find your insuranceClose

Accepted insurance plans:

Aetna
  • EPO
  • HMO
  • POS
  • PPO
Anthem
  • EPO
  • HMO
  • POS
  • PPO
Blue Cross Blue Shield
  • EPO
  • HMO
  • POS
  • PPO
Blue Shield of California
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE-MEDICAID PLAN
  • OTHER COMMERCIAL
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
  • PPO
Cigna
  • EPO
  • HMO
  • PPO
Community Health Group
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
Health Care Services Corporation
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • OTHER COMMERCIAL
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
  • PPO
Health Net

Accepted plan types not found. Please verify directly with the provider.

LA Care
  • HMO
  • MANAGED MEDICAID PLAN
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
Medicaid
  • OTHER MEDICAID
  • STATE MEDICAID
UnitedHealthcare
  • EPO
  • HMO
  • POS
  • PPO
View 6 Less Insurance Carriers -

Locations

Office
200 Med Plz Ste 330, Los Angeles, CA 90095
Call: 310-267-7667
Other Locations
UCLA Department of Surgery
10833 Le Conte Ave, Los Angeles, CA 90095
Call: 310-206-3952

Clinical Research

Clinical research consists of overseeing clinical studies of patients undergoing new treatments and therapies, and publishing articles in peer reviewed medical journals. Providers who actively participate in clinical research are generally at the forefront of the fields and aware of the most up-to-date advances in treatments for their patients.


34 Total Publications

Everolimus and Low-Dose Tacrolimus After Heart Transplant in Children: A Randomized Clinical Trial.
Everolimus and Low-Dose Tacrolimus After Heart Transplant in Children: A Randomized Clinical Trial.
Journal: JAMA
Published: September 17, 2025
View All 34 Publications
Similar Doctors
Advanced in Heart Failure
Dr. Paul Kantor
Pediatric Cardiology
Advanced in Heart Failure
Dr. Paul Kantor
Pediatric Cardiology

Children's Hospital Los Angeles

4650 W Sunset Blvd, 
Los Angeles,, CA 
 (9.0 miles away)
323-361-2461
Languages Spoken:
English
See accepted insurances

Paul Kantor is a Pediatric Cardiologist in Los Angeles,, California. Dr. Kantor is rated as a Distinguished provider by MediFind in the treatment of Heart Failure. His top areas of expertise are Cardiomyopathy, Dilated Cardiomyopathy (DCM), Hypertrophic Cardiomyopathy (HCM), Tetralogy of Fallot, and Heart Transplant.

Experienced in Heart Failure
Dr. Leigh Reardon
Pediatric Cardiology
Experienced in Heart Failure
Dr. Leigh Reardon
Pediatric Cardiology

Office

100 UCLA Medical Plz Ste 630, 
Los Angeles,, CA 
 (0.5 miles away)
310-794-2727
Languages Spoken:
English
See accepted insurances
Offers Telehealth

Leigh Reardon is a Pediatric Cardiologist in Los Angeles,, California. Dr. Reardon is rated as a Distinguished provider by MediFind in the treatment of Heart Failure. His top areas of expertise are Double Discordia, Congenital Heart Disease (CHD), Tricuspid Atresia, Heart Transplant, and Thrombectomy.

Experienced in Heart Failure
Dr. Nancy Halnon
Pediatric Cardiology
Experienced in Heart Failure
Dr. Nancy Halnon
Pediatric Cardiology

Office

200 Medical Plz Ste 330, 
Los Angeles,, CA 
 (0.4 miles away)
310-267-7667
Languages Spoken:
English
See accepted insurances

Nancy Halnon is a Pediatric Cardiologist in Los Angeles,, California. Dr. Halnon is rated as an Advanced provider by MediFind in the treatment of Heart Failure. Her top areas of expertise are Duchenne Muscular Dystrophy, Becker Muscular Dystrophy, Right Ventricle Hypoplasia, Congenital Contractural Arachnodactyly, and Heart Transplant.

VIEW MORE HEART FAILURE DOCTORS

Areas of Expertise

MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.

Learn more about MediFind’s expert tiers

Find Dr. Alejos's expertise for a condition
ConditionClose
    • Distinguished
    • Heart Transplant
      Dr. Alejos is
      Distinguished
      . Learn about Heart Transplant.
      See more Heart Transplant experts
    • Advanced
    • Giant Cell Myocarditis
      Dr. Alejos is
      Advanced
      . Learn about Giant Cell Myocarditis.
      See more Giant Cell Myocarditis experts
    • Experienced
    • Anomalous Left Coronary Artery from the Pulmonary Artery
      Dr. Alejos is
      Experienced
      . Learn about Anomalous Left Coronary Artery from the Pulmonary Artery.
      See more Anomalous Left Coronary Artery from the Pulmonary Artery experts
    • Atrioventricular Septal Defect
      Dr. Alejos is
      Experienced
      . Learn about Atrioventricular Septal Defect.
      See more Atrioventricular Septal Defect experts
    • Cardiofaciocutaneous Syndrome
      Dr. Alejos is
      Experienced
      . Learn about Cardiofaciocutaneous Syndrome.
      See more Cardiofaciocutaneous Syndrome experts
    • Cardiomyopathic Lentiginosis
      Dr. Alejos is
      Experienced
      . Learn about Cardiomyopathic Lentiginosis.
      See more Cardiomyopathic Lentiginosis experts
    • Cardiomyopathy
      Dr. Alejos is
      Experienced
      . Learn about Cardiomyopathy.
      See more Cardiomyopathy experts
    • Cerebral Hypoxia
      Dr. Alejos is
      Experienced
      . Learn about Cerebral Hypoxia.
      See more Cerebral Hypoxia experts
    View All 29 Experienced Conditions
    Want to save this doctor for later?
    Sign Up
    Is this your doctor?
    Find A Second Opinion
    Not sure about your diagnosis?
    Check Your Symptoms
     
     
     
     
    Learn about our expert tiers
    Learn More
    Are you the provider on this profile?
    Claim Profile
    For Patients
    • Our Story
    • How MediFind Works
    • Conditions A-Z
    • Doctor Directory
    • Symptoms Directory
    • Procedures Directory
    • Treatment Directory
    • Drug Directory
    • Infusion Center Finder
    • FAQ
    • Contact Us
    For Providers and Practices
    • Claim Your Profile
    • Newsroom
    Business Solutions
    • Provider
    • Network Solutions
    Additional Resources
    • Consumer Health Data Privacy Policy
    • Privacy Policy
    • Terms of Use
    • Advertising Policy
    • Content Policy
    Subscribe to our newsletter

    Sign up to stay informed about MediFind and get wellness sent your way.

    Close

      By subscribing, I agree to MediFind's Terms of Use, Privacy Policy and Consumer Health Data Privacy Policy, as applicable.

      Bullet PinMediFind
      Follow us on
      This information is not intended as a substitute for informed medical advice. You should work with a licensed professional to diagnose and treat health conditions. We let the data speak for itself, MediFind does not endorse any healthcare providers.
      © 2026 All Rights Reserved

      Request an Appointment

      If you are experiencing a medical emergency, call 9-1-1.

      MediFind will contact the provider for your appointment request. You’ll receive status updates by email. Your provider or MediFind will reach out to you directly by phone or email to schedule your appointment or request additional information.

      Patient Details

      This information is for the patient who will be seen at the appointment.

        Close

        Returning patient? Use your address on file with the provider.

        Insurance Details

        Please provide information of the primary insurance holder as the practice may require this information to schedule.

        Insurance Provider *
        Insurance ProviderClose

        Appointments Details

        Let’s get more information about your appointment.

                0 / 1000
                0 / 1000
                By pressing the Submit button you are agreeing to MediFind’s Terms of Use, Privacy Policy and Consumer Health Data Privacy Policy, as applicable.