Siam Oottamasathien MD

Pediatric Urology

Associate Professor of Surgery, Harvard Medical School

300 Longwood AvenueHU-390Boston, MA 02115
Phone+1 617-355-7796

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Summary

Dr. Siam Oottamasathien is a pediatric urologist in Boston, MA and is affiliated with Boston Children's Hospital. He received his medical degree from the University of Colorado School of Medicine and completed his fellowship training from Vanderbilt University. He has been in practice 18 years.

Education & Training

Vanderbilt University Medical CenterFellowship, Pediatric Urology, 2005 - 2007
University of ColoradoResidency, Urology, 2001 - 2005
University of ColoradoResidency, Surgery, 1999 - 2001
University of Colorado School of Medicine Anschutz Medical CampusClass of 1999
University of Colorado BoulderBA, Molecular Biology and Biochemistry, Magna Cum Laude, 1990 - 1993

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Certifications & Licensure

MA State Medical License 2017 - 2028
ME State Medical License 2020 - 2021
UT State Medical License 2007 - 2020
CO State Medical License 2002 - 2005
American Board of Urology Urology
American Board of Urology Pediatric Urology

Awards, Honors, & Recognition

Early Career Investigator Representative Society of Pediatric Urology, 2013-2014
Second Place Honors American Urologic Association Early Career Investigators Forum, 2013
First Place Basic Science Prize American Academy of Pediatrics - Section on Urology, 2012

Publications & Presentations

PubMed

Recurrent idiopathic ischemic priapism in a healthy pediatric patient: A case report.
Daniel Ajabshir, Kenneth Softness, Siam Oottamasathien
Urology Case Reports. 2025-11-01
3 citations
Real-Time Bladder Volume Monitoring for Pediatric Patients Using a Commercially Available Wearable Ultrasound Device.
Peter Y Cai, Tanya Logvinenko, Badar Omar, Siam Oottamasathien, Michael Kurtz
Neurourology and Urodynamics. 2025-06-01
Editorial Comment.
Siam Oottamasathien
The Journal of Urology. 2023-08-01

Journal Articles

Unilateral open extravesical ureteral reimplantation with contralateral dextronomer/hyaluronic acid injection performed as an outpatient therapy
Lau G, Anderson R, Cartwright P, Wallis MC, Schaeffer A, Oottamasathien S, Snow B, Journal of Pediatric Urology, 1/1/2018
Combination of extracorporeal shockwave lithotripsy and ureteroscopy for large staghorn calculi in a pediatric patient: Case Report
Schults AJ, Jia W, Ost MC, Oottamasathien S, Journal of Endourology, 1/1/2017
Amniotic therapeutic biomaterials in urology: current and future applications
Oottamasathien S, Hotaling JM, Craig JR, Myers JB, Brant WO, Translational Andrology Urology, 1/1/2017

Books/Book Chapters

Abernathy�s Surgical Secrets
Chapter: Pediatric Urology, Chapter 104
Pessoa R, Oottamasathien S, Kim FEditors: Alden H. Harken and Ernest E. Moore.ElsevierEdition Seve,2017
The Kelalis-King-Belman Textbook of Clinical Pediatric Urology
Chapter: Office Pediatric Urology, (Revised) Chapter 10.
Cartwright PC, Oottamasathien S, Snow BWEditors: Docimo SG, Canning DA, Koury AE, (Supervising Editors), Austin P, Coplen D, Copp H, Herndon CDA, Lorenzo A, Merguerian P, Ost M, Park J, Shakula A.CRC PressEdition Sixt,2015
AUA Update Series
Chapter: Office Procedures for Pediatric Urology. (Lesson 31, v. 30)
Oottamasathien S, Snow BWAmerican Urologic Association2011

Abstracts/Posters

Silk-Elastinlike Polymers Enhance the Anti-inflammatory and Analgesic Properties of Semisynthetic Glycosaminoglycans.
Oottamasathien S, American Urologic Association Annual Meeting, San Francisco, CA, 1/1/2018
Controlled Delivery of a Therapeutic Glycosaminoglycan for Amelioration of Radiation-Induced Proctitis-Associated Pain. (moderated poster and podium presentation - awa...
Oottamasathien S, Institute of Biological Engineering Conference, Salt Lake City, UT, 1/1/2017
Localized Delivery of Semisynthetic Glycosaminoglycan Ethers via an Injectable Silk-Elastinlike Protein Polymer Matrix for Prevention of Radiation Induced Proctitis [A...
Jensen MM, Isaacson KJ, Jia W, Cappello J, Oottamasathien S, Ghandehari H, NanoDDS Annual Nanomedicine and Drug Delivery Symposium, Baltimore, MD, 1/1/2016

Lectures

Thermoresponsive Biopolymers and Urologic Applications.
Snowbird, UT - 1/1/2019
Lower Urinary Tract Genitourinary Injuries.
Massachusetts General Hospital/Harvard Medical School - 1/1/2018
Inflammation Pathways.
Phoenix, AZ - 1/1/2016

Other

Pediatric Urology Handbook for residents and students rotating on the pediatric urology service.
Wallis MC, Oottamasathien S, Primary Children's Hospital
Salt Lake City, UT

Grant Support

Localized Delivery of Glycosaminoglycan Ethers for the Treatment of Radiation-Induced ProctitisNational Institutes of Health - NCI2018–2023
Treatment of Bladder Pain by Novel Glycosaminoglycan DerivativesNational Institutes of Health - NIDDK2013–2015

Committees

New England Section Representative, American Urologic Association - Research Council 2019 - Present
Associate Section Editor, Journal of Urology - Editorial Board 2019 - Present