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Leonard Haas, MD

Leonard Haas, MD

Optum Provider

Specialty

Pediatric Gastroenterology

Languages

English

Seeing patients at

Patient Reviews

Patient review summary

Learn about our survey

5

4

3

2

1

5.0

6 reviews

    • Reviewed on Jul 27, 2026
    • Verified Review

    He is the best pediatric gastroenterologist! Very informative, compassionate to the children and their families, and easy to get in contact with when you need him.

    • Reviewed on May 19, 2026
    • Verified Review

    He was unbelievably kind and patient with my anxious son. I recommended him to a family member who is an adult GI for future referrals. Thank you Dr. Haas.

    • Reviewed on May 10, 2026
    • Verified Review

    Amazing doctor, goes beyond for his patients and cares for them as if they were family.

    • Reviewed on Jan 23, 2026
    • Verified Review

    Dr. Haas is a knowledgeable and compassionate physician who cared for my child with exceptional attentiveness. He made sure I understood every step of the process and showed genuine concern throughout our experience.

    • Reviewed on Jan 23, 2026
    • Verified Review

    Hes very compassionate and thorough

    • Reviewed on Nov 23, 2025
    • Verified Review

    He is very good on wnat he does and checks everything

  • About Leonard Haas, MD

    Dr. Leonard Haas is a pediatric gastroenterologist. He completed training at the Mayo Clinic, Weill Cornell, and Johns Hopkins and specializes in digestive and liver disorders in children. He has received awards for teaching and clinical excellence.

    Philosophy of care

    Dr. Haas partners with families through education, shared decision-making, and attentive listening.

    Gender

    Male

    Board certifications

    American Board of Pediatrics

    Licenses

    NY, 330110

    Network Name

    ProHealth

    NPI

    1073019584

  • Insurance Accepted

    This list is for informational purposes only and may not reflect the most current plans accepted by the provider. Optum accepts most major health insurance plans. Please contact your insurance company to confirm your coverage, eligibility, and the provider's participation in your plan.

    • 1199
    • Aetna
    • Affinity
    • Anthem BCBS
    • CHN
    • Centivo
    • Cigna
    • Coventry
    • EmblemHealth
    • First Health
    • Humana
    • MagnaCare
    • Medicaid
    • Medicare
    • MultiPlan
    • NYSHIP
    • Northwell Direct
    • Oscar
    • Oxford
    • TRICARE
    • UHC
    • UMR
  • Education

    Medical School

    • Mayo Clinic School of Medicine

    Residency

    • New York Presbyterian-Weill Cornell Medical Center