
Join to View Full Profile
30131 Town Center DrSte 195Laguna Niguel, CA 92677
Phone+1 714-677-9463
Fax+1 949-215-1555
Dr. Loudon is on Doximity
As a Doximity member, you’ll join more than three million U.S. healthcare professionals—including 85+% of physicians, and 2/3 of all NPs and PAs—in a private, secure network.
- Gain access to free telehealth tools, such as our “call shielding” and one-way patient texting.
- Connect with colleagues in the same hospital or clinic.
- Read the latest clinical news, personalized to your specialty.
Summary
- Dr. William Loudon, MD, is a dedicated neurosurgeon based in Orange, CA, with a subspecialty in pediatric neurosurgery. He completed his medical school training at University of Texas Health Sciences Center at Houston, his neurosurgical residency at Virginia Commonwealth University Health System his pediatric neurosurgical fellowship at the Children's Hospital of Philadelphia. He completed his PhD in Tumor Biology at the University of Texas M.D. Anderson Cancer Center and his post-doctoral fellowship at the Massey Cancer Center in Virginia.
He is highly experienced in neurosurgical oncology, minimally invasive stereotactic surgery, craniofacial surgery and Gamma Knife Radiosurgery. Dr. Loudon has contributed to numerous publications and clinical trials, reflecting his focus on continual research and development in his field. Recognized for his contributions, he is a Fellow of the American Association of Neurological Surgeons.
Education & Training
Children's Hospital of PhiladelphiaMD, Pediatric Neurosurgery, 1999 - 2000
University of Texas M.D. Anderson Cancer CenterPost-Doctoral Fellowship, 1994 - 1999
Virginia Commonwealth University Health SystemResidency, Neurological Surgery, 1992 - 1999
Virginia Commonwealth University Health SystemInternship, Transitional Year, 1991 - 1992
McGovern Medical School at UTHealthClass of 1991
Certifications & Licensure
CA State Medical License 2000 - 2028
PA State Medical License 1999 - 2000
VA State Medical License 1999 - 2000
American Board of Neurological Surgery Neurological Surgery
Awards, Honors, & Recognition
- Fellow (FAANS) American Association of Neurological Surgeons
Clinical Trials
- Study of a Drug [DCVax®-L] to Treat Newly Diagnosed GBM Brain Cancer Start of enrollment: 2006 Dec 01
- Neurological Surgery & Affiliated Services De-Identified Clinical Outcomes Database Start of enrollment: 2005 Aug 04
Publications & Presentations
PubMed
- Safety and feasibility of an irrigating external intracranial drain in children.Brandon Shin, Jordan Davies, Scott Self, Afshin Salehi, Gwenn Skar
Journal of Neurosurgery. Pediatrics. 2026-01-16 - Novel untethered micro-robotic platform developed for minimally invasive ultra-selective microsurgical procedures and targeted drug delivery: Preliminary characterizat...William Loudon, Michael Kardosh, Florent Cros, Be'eri Katznelson, Aviv Shtein
Surgical Neurology International. 2025-01-01 - 2 citationsEvaluation of Quantitative Pupillometry in Acute Postinjury Pediatric Concussion.Theodore Heyming, Chloe Knudsen-Robbins, John Schomberg, Jennifer Hayakawa, Bryan Lara
Pediatric Neurology. 2024-04-01
Journal Articles
- Single-Cell Transcriptomes Reveal the Mechanism for a Breast Cancer Prognostic Gene PanelChaitali S Nangia, Lilibeth Torno, William G Loudon, Mustafa H Kabeer, Ashley S Plant, Shengwen Calvin Li, Oncotarget
Press Mentions
Coast Magazine Readers’ Choice Women in Health Care: Ruth McCarthy, Acupuncture and Traditional Chinese MedicineJune 3rd, 2019
CliniCians Southern CaliforniaApril 4th, 2012
Professional Memberships
- Fellow
Viewing the full profile is available to verified healthcare professionals only.
Find your profile and take control of your online presence:









