COVID-19 Vaccine Updates

If you are currently eligible to receive the vaccine (Phase 1A or Phase 1B, tier 1) and need to get your first dose, please call our automated vaccine line at 833-770-0530 to add yourself to the wait list for a first-dose appointment and request updates. More information


Mauricio A Escobar, Jr., MD, FACS

Mauricio A Escobar, Jr., MD, FACS

Mauricio A Escobar, Jr., MD, FACS

Pediatric Surgery

Accepting New Patients

Phone: 253-403-4613    Fax: 253-864-3939

Call For an Appointment

Provider Details

Medical Association Memberships: American College of Surgeons, British Association of Paediatric Surgeons, American Pediatric Surgical Association, Specialty Fellow, Section on Surgery, American Academy of Pediatrics, Clinical Instructor, Department of Surgery, University of Washington

Practice Philosophy: I partner with patients and their families to help them make health care choices that align with their goals. I am honored and humbled to serve children and infants, and strive to foster a caring and trusting environment. My hope is that parents know I will care for their children as if they were my own, using the latest in minimally-invasive techniques to ease recovery and provide comfort.

Professional School: Baylor College of Medicine - Houston

Residency: Indiana University

Fellowship: State University of New York

Internship: Indiana University

Research & Publications

Lammers DT, Marenco CW, Do WS, Conner JR, Horton JD, Martin MJ, Escobar MA, Bingham JR, Eckert MJ. Pediatric Adjusted Reverse Shock Index Multiplied by Glasgow Coma Scale as a Prospective Predictor for Mortality in Pediatric Trauma. J Trauma Acute Care Surg. 2020 Sep 23. doi: 10.1097/TA.0000000000002946. Epub ahead of print. PMID: 32976326. 

Mitchell IC, Norat BJ, Auerbach M, Bressler CJ, Como J, Escobar MA Jr, Flynn-O'Brien KT, Lindberg DM, Nickoles T, Rosado N, Weeks K, Maguire S. Identifying Maltreatment in Infants and Young Children Presenting with Fractures: Does Age Matter? Acad Emerg Med. 2020 Sep 5. doi: 10.1111/acem.14122. Epub ahead of print. PMID: 32888348. 

Kuckelman JP, Do WS, Escobar MA Jr, Holland R. A simple technique for neoumbilical reconstruction for congenital hernia associated proboscis deformity. J Pediatr Surg. 2020 May;55(5):964-966. doi: 10.1016/j.jpedsurg.2019.09.034. Epub 2019 Oct 24. PMID: 31676075. 

Rosenfeld, E.H., Vogel, A.M., Jafri, M. et al. Management and Outcomes of Peripancreatic Fluid Collections and Pseudocysts Following Non-operative Management of Pancreatic Injuries in Children. Pediatr Surg Int. 2019;35:861.

Do WS, Marenco CW, Horton JD, Escobar MA Jr. Predictors of Bowel Resection During Nonelective Ladd Procedure for Pediatric Malrotation. J Surg Res. 2019 Nov;243:419-426. doi: 10.1016/j.jss.2019.05.052. Epub 2019 Jul 3.

Escobar MA Jr, Wallenstein KG, Christison-Lagay ER, Naiditch JA, Petty JK. Child abuse and the pediatric surgeon: A position statement from the Trauma Committee, the Board of Governors and the Membership of the American Pediatric Surgical Association. J Pediatr Surg. 2019 Jul;54(7):1277-1285. doi:10.1016/j.jpedsurg.2019.03.009. Epub 2019 Mar 21

Booth BJ, Bowman SM, Escobar MA Jr, Sharar SR. Long-term sustainability of Washington State's quality improvement initiative for the management of pediatric spleen injuries. J Pediatr Surg. 2018 Nov;53(11):2209-2213. doi: 10.1016/j.jpedsurg.2018.05.002. Epub 2018 May 12. 

Escobar MA Jr, McClellan JM, Thomas W. Solid pseudopapillary tumour (Frantz's tumour) of the pancreas in childhood: successful management of late liver metastases with sunitinib and chemoembolisation. BMJ Case Rep. 2017 Dec 22;2017. pii: bcr-2017-221906. doi: 10.1136/bcr-2017-221906

Escobar MA Jr, Flynn-OʼBrien KT, Auerbach M, Tiyyagura G, Borgman MA, DuffySJ, Falcone KS, Burke RV, Cox JM, Maguire SA. The association of nonaccidental trauma with historical factors, examination findings, and diagnostic testing during the initial trauma evaluation. J Trauma Acute Care Surg. 2017 Jun;82(6):1147-1157. doi: 10.1097/TA.0000000000001441.

Pflugeisen BM, Escobar MA, Haferbecker D, Duralde Y, Pohlson E. Impact on Hospital Resources of Systematic Evaluation and Management of Suspected Nonaccidental Trauma in Patients Less Than 4 Years of Age. Hosp Pediatr. 2017 Apr;7(4):219-224. doi: 10.1542/hpeds.2016-0157. Epub 2017 Mar 21.

Kniery KR, Kay JT, Escobar MA. The fatty spleen: Severe hypertriglyceridemia leading to splenomegaly in a child. J Ped Surg Case Reports. 2017 17: 25-27.

Escobar MA Jr, Caty MG. Complications in neonatal surgery. Semin Pediatr Surg. 2016 Dec;25(6):347-370. doi: 10.1053/j.sempedsurg.2016.10.005. Epub 2016 Nov 1.

Escobar MA Jr, Morris CJ. Using a multidisciplinary and evidence-based approach to decrease undertriage and overtriage of pediatric trauma patients. J Pediatr Surg. 2016 Sep;51(9):1518-25. doi: 10.1016/j.jpedsurg.2016.04.010. Epub 2016 Apr 22.

Escobar MA Jr, Pflugeisen BM, Duralde Y, Morris CJ, Haferbecker D, Amoroso PJ, Lemley H, Pohlson EC. Development of a systematic protocol to identify victims of non-accidental trauma. Pediatr Surg Int. 2016 Apr;32(4):377-86. doi:10.1007/s00383-016-3863-8. Epub 2016 Jan 25.

Learn more about ongoing studies and medical research at the MultiCare Institute for Research & Innovation.

More Info

Mauricio A. Escobar, Jr., MD, FACS, FAAP, is a board-certified general surgeon with Special Qualifications in Pediatric Surgery from the American Board of Surgery. In addition to pediatric surgical conditions, such as appendicitis and hernias, he has clinical interests in pediatric urological conditions, trauma, and tumors. In his free time, he collects comic books.

The services Dr. Escobar provides include:

  • Neonatal surgery
  • Pediatric surgical oncology
  • Pediatric trauma
  • General pediatric surgery
  • Pediatric thoracic surgery


Get to know Dr. Escobar and find out what he enjoys about practicing medicine.

Return to Search

Other Locations