Mr. William J. Morrissey, MD, FAAP, FACEP?
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Mr. William J. Morrissey, MD, FAAP, FACEP, Pediatrician
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Mr. William J. Morrissey, MD, FAAP, FACEP

Emergency Physician (Pediatric) | Pediatric Emergency Medicine

11550 Legacy Dr Frisco TX, 75034

About

Dr. William J. Morrissey, FAAP, FACEP, is a dedicated pediatric emergency medicine physician at Cook Children’s Medical Center – Prosper. With extensive experience in caring for critically ill and injured children, he is committed to providing expert, compassionate care during urgent and challenging situations. Board-certified by the American Board of Pediatrics, Dr. Morrissey specializes in trauma management, respiratory emergencies, and treating complex pediatric conditions. His passion for pediatrics and emergency medicine drives his efforts to ensure that every child receives the highest standard of medical attention. Known for his empathetic approach, Dr. Morrissey also supports families during stressful times, striving to make a positive impact on the Texas community.

Education and Training

Universidad Catholica Nordestana, Dominican Republic MD 1986

Board Certification

American Board of Pediatrics - Certified in Pediatric Emergency Medicine

American Board of Pediatrics - Certified in Pediatrics

Provider Details

MaleEnglish

Faculty Titles & Positions

  • Pediatric Emergency Medicine Physician Cook Children’s Medical Center - Present

Fellowships

  • Mount Sinai Medical Center in New York Pediatric Emergency Medicine 

Fellowships

  • Mount Sinai Medical Center in New York0Pediatric Emergency Medicine

What do you attribute your success to?

  • hard work...truly caring about my patients great mentor Dr Donald Barton

Mr. William J. Morrissey, MD, FAAP, FACEP's Practice location

Urgent Care for Kids

11550 Legacy Dr -
Frisco, TX 75034
Get Direction
New patients: 912-222-9799

Cook Children's Medical Center - Prosper

4100 W University Dr -
Prosper, TX 75078
Get Direction
New patients: 945-204-4100
https://www.cookchildrens.org/doctors/emergency-medicine/dr-william-morrissey/

Kaiser Permanente Panola Medical Center

5440 Hillandale Drive Kaiser Permanente Pa -
Lithonia, GA 30058
Get Direction
New patients: 404-616-2265

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Dedicated to Providing Exceptional Care for Critically Ill and Injured Children

With a steadfast commitment to the critically ill and injured children in the Texas community, Dr. Morrissey brings a wealth of knowledge and experience to the emergency department at Cook Children’s Medical Center - Prosper, ensuring that young patients receive the highest quality of care.

With a broad educational background, he earned his medical degree from Universidad Catolica Nordestana in the Dominican Republic, where he developed a passion for pediatrics and emergency medicine. He completed his residency at Elmhurst Hospital/Mount Sinai Medical Center in Elmhurst, NY, where he honed his skills in acute care for children. Furthering his expertise, he completed a fellowship at Mount Sinai Medical Center in New York, specializing in pediatric emergency medicine.

“My goal is to provide compassionate, expert care to children in urgent need and to support their families during challenging times. I believe that every child deserves the best possible medical attention, and I am dedicated to making a positive impact in our community, expressed Dr. Morrissey”

Passionate about his profession, the doctor is board-certified by the American Board of Pediatrics and is well-versed in the latest advancements in pediatric emergency care. His clinical interests include trauma management, respiratory emergencies, and the treatment of complex pediatric conditions.

Cook Children’s Medical Center - Prosper is dedicated to providing specialized care for children in a family-centered environment. The addition of Dr. Morrissey enhances the hospital’s commitment to excellence in pediatric emergency services, ensuring that families have access to top-tier medical professionals in their time of need.

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