Dr. Leonel Hernandez Aya, MD

Dr. Leonel Hernandez Aya, MD

Oncology  ·  
Dr. Leonel Hernandez Aya, MD is an oncology specialist in Saint Louis, MO. He specializes in oncology and medical oncology.

4921 Parkview Pl Fl 7th

Saint Louis, MO 63110

Contact Information

(314) 454-8330

Insurance Accepted

  • Aetna
  • Anthem Blue Cross Blue Shield
  • Blue Cross Blue Shield
  • Cigna
  • HealthLink
  • Humana
  • MultiPlan

*Please verify this information when scheduling an appointment.

Learn about Dr. Hernandez Aya

Be confident in your decisions by checking out your provider's top areas of care, education, patient reviews and more. Learn about finding the right doctor for you.

Top Care Areas

See how frequently Dr. Hernandez Aya performs your care needs compared to other doctors.

very high
more than 98% of peers
very high
more than 96% of peers
Secondary Malignancies
very high
more than 96% of peers

Dr. Hernandez Aya's percentages are based on the rate of treatment compared to peers nationwide from insurance data. Learn more info about our data and this Top Care Areas component.

2  Specialties

  • Oncology
  • Medical Oncology

2  Board Certifications

  • Internal Medicine
    Accredited by: American Board of Internal Medicine*
  • Medical Oncology
    Accredited by: American Board of Internal Medicine*

57  Conditions Treated

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Background Check

Malpractice Claims not available

Healthgrades does not collect malpractice information for Missouri.

0 Sanctions

No sanctions history found for the years that Healthgrades collects data.

0 Board Actions

No board actions found for the years that Healthgrades collects data.


Education data for Dr. Hernandez Aya is unavailable at this time.

Awards & Recognition

Awards & Honors
  • Healthgrades Honor Roll
Media & Publications

Dr. Hernandez Aya has no media or publications listed.

Languages Spoken

  • English

Memberships & Professional Affiliations

Dr. Hernandez Aya does not have any memberships or affiliations listed. If you are Dr. Hernandez Aya and would like to add memberships or affiliations, please update your profile.

Dr. Hernandez Aya's Reviews

Likelihood to recommend Dr. Hernandez Aya


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Average Wait Time
  • Over 45 minutes
Dr. Hernandez Aya's Performance
  • Trustworthiness
  • Explains condition(s) well
  • Answers questions
  • Time well spent
Office & Staff Performance
  • Scheduling
  • Office environment
  • Staff friendliness
What People Say About Dr. Leonel Hernandez Aya, MD
Most caring, competent, wonderful doctor I have ever seen. I probably owe my left to Dr. Hernandez. Highly recommend him for oncology. He listens and answers questions thoroughly and with compassion, never making you feel rushed or silly.
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