Andrew W. Walter, MD

Hematology/Oncology

Primary Office

Nemours Children's Hospital, Delaware Nemours Children's Hospital, Delaware 1600 Rockland Road Wilmington, DE 19803 Appointment: (800) 416-4441

Get to Know Me

I grew up in the New York City area. As a child, I was something of a science geek. I enjoyed applying what I learned to real life situations. As a pediatric cancer specialist, I always focus on helping kids with cancer and brain tumors enjoy the best possible quality of life.

Why I Treat Children

I have tremendous respect for the children in my care. Although most are very sick, they handle adversity amazingly well. They don’t complain and just want to be done with treatment so they can go on with their lives.

How I Try to Make A Difference

I try to make a difference through hope and healing. The fact that Nemours is so active in cancer research means we have access to experimental treatment options that offer real hope for a cure. Just as important, we do everything we can to make a terrible process less terrible by alleviating any suffering.

Education & Training

Fellowship

  • Pediatric Hematology/Oncology - University of Michigan, 1992

Internship

  • Pediatrics - The Children's Hospital of Philadelphia, 1987

Residency

  • Pediatrics - The Children's Hospital of Philadelphia, 1989

Medical/Dental School

  • MD - University of Rochester, 1986

Board Certifications

  • American Board of Pediatrics/Pediatric Hematology-Oncology

Awards & Recognition

  • 2014 Best Doctors in America
  • 2013 Best Doctors in America
  • 2011 Best Doctors in America

Insurance Accepted

  • Aetna Better Health PA Kids HMO
  • Aetna HMO
  • Aetna PPO/POS/EPO
  • Amerihealth Caritas Delaware
  • Carefirst MD Community Health Plan Mcaid
  • Cigna Lifesource Transplant
  • Cigna/Great West HMO EPO POS
  • Cigna/Great West PPO
  • Delaware First Health
  • Delaware Medicaid/Diamond State
  • Delaware Medicare
  • Devon Health Services
  • Fidelis Care NJ Medicaid HMO
  • First Health/Affordable PPO
  • Geisinger Health Plan Commercial
  • Health Partners Medicaid/Kidz Partner HMO
  • Highmark Blue Cross Blue Shield of Delaware
  • Highmark Medicaid Health Options
  • Horizon Blue Cross Blue Shield of New Jersey
  • Independance Blue Cross/Amerihealth/Keystone Health Plan
  • Insurance Administrators of America
  • INTEGRA Administrative Group (ClaimsBridge)
  • Keystone First Medicaid HMO
  • Lifetrac Transplant
  • Maryland Medicaid
  • Multiplan PPO
  • New Jersey Medicaid
  • Pennsylvania Medicaid
  • Plan Vista/NPPN PPO
  • Preferred Healthcare PPO
  • Private Health Care Systems (PHCS)
  • Qualcare HMO/POS/PPO
  • Star Healthcare Network
  • Three Rivers Provider Network
  • Tricare/Humana Military Health Services/CHAMPVA
  • United Healthcare of the Mid-Atlantic
  • UPMC MCAID/CHIP PA DE
  • Wellpoint Maryland Medcaid

  • Brain Tumors
  • Cancer Care
  • Solid Tumors

Research Activities

In my research I helped describe and measure the learning problems that brain tumor patients can have following radiation therapy.

Medical Interests

  • Brain stem gliomas
  • Brain tumors
  • Chemotherapy
  • Gorlin syndrome
  • Low grade gliomas
  • Malignant gliomas
  • Medulloblastoma ependymoma

  • The Rise of WNT-Activated Medulloblastoma?; Unknown Source; (2024).

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  • Larotrectinib imaging response in low‐grade glioma; Pediatric Blood & Cancer; (2020).

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  • Medulloblastoma and secondary acute myeloid leukemia in a patient with Turner syndrome; Pediatric Blood & Cancer; (2019).

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  • Bone marrow transplant and pediatric multiple myeloma; Pediatric Blood & Cancer; (2019).

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  • English