Overview
William Loudon is a Neurosurgery specialist and a General Surgeon practicing medicine in Fullerton, California.
Dr. Loudon is highly rated in 47 conditions, according to our data. His clinical expertise encompasses Bulging Fontanelles, Hydrocephalus, Sunken Fontanelles, and Cerebellum Agenesis Hydrocephaly.
Dr. Loudon is board certified in American Board Of Neurological Surgery. He is actively involved in clinical research, co-authoring 25 peer reviewed articles and participating in 1 clinical trial. Dr. Loudon is currently accepting new patients.
Graduate Institution
Specialties
Licenses
Board Certifications
Hospital Affiliations
Languages Spoken
Gender
Insurance
Accepted insurance can change. Please verify directly with the provider.
Accepted insurance plans:
- EPO
- HMO
- POS
- PPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE-MEDICAID PLAN
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- PPO
- EPO
- HMO
- PPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- OTHER COMMERCIAL
Accepted plan types not found. Please verify directly with the provider.
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- OTHER MEDICARE
- POS
- PPO
- OTHER MEDICAID
- STATE MEDICAID
Locations
1010 W La Veta Ave, Orange, CA 92868
Additional Areas of Focus
Dr. Loudon has provided the following conditions as areas of focus. Please note that we may not have enough data to validate their experience in some of these conditions.
Clinical Research
Clinical research consists of overseeing clinical studies of patients undergoing new treatments and therapies, and publishing articles in peer reviewed medical journals. Providers who actively participate in clinical research are generally at the forefront of the fields and aware of the most up-to-date advances in treatments for their patients.
1 Clinical Trials
Keck Hospital Of USC
Gabriel Zada, MD, MS, FAANS, FACS, is Professor of Neurological Surgery, Otolaryngology, and Physiology & Neuroscience at the Keck School of Medicine of USC and an internationally recognized leader in brain, skull base, and pituitary tumor surgery. He serves as Vice Chair of Education and Residency Program Director, Surgical Director of the USC Brain Tumor Center, and Director of the USC Endoscopic Skull Base Surgery Program.Dr. Zada has performed more than 3,000 cranial operations, specializing in minimally invasive and endoscopic approaches for brain, pituitary, and skull base tumors. He completed fellowship training under Dr. Edward Laws at Harvard/Brigham and Women’s Hospital and advanced training under Dr. Paolo Cappabianca in Naples, Italy.An NIH-funded investigator, Dr. Zada has authored more than 400 peer-reviewed publications and 3 surgical textbooks. He is Editor of *Neurosurgical Focus* and President-Elect of the AANS/CNS Joint Section on Tumors. FindExpertMD ranks him the **#1 neurosurgeon in California for pituitary tumors, meningiomas, skull base neoplasms, and neuroendoscopy**. He has treated patients from around the world including Mexico, Guam, Hawaii, Europe. South America, and Canada. Dr. Zada is highly rated in 44 conditions, according to our data. His clinical expertise encompasses Pituitary Tumor, Hypothalamic Tumor, Brain Tumor, Endoscopic Transnasal Transsphenoidal Surgery, and Gamma Knife Radiosurgery. Dr. Zada is board certified in American Board Of Neurological Surgery.
Michael Muhonen is a Neurosurgery specialist and a General Surgeon practicing medicine in Fullerton, California. Dr. Muhonen is highly rated in 29 conditions, according to our data. His clinical expertise encompasses Hydrocephalus, Cerebellum Agenesis Hydrocephaly, Sunken Fontanelles, Bulging Fontanelles, and Endovascular Embolization. Dr. Muhonen is currently accepting new patients.
UCLA Health Westwood Neurosurgery
Marvin Bergsneider is a Neurosurgery provider practicing medicine in Los Angeles, California. Dr. Bergsneider is highly rated in 39 conditions, according to our data. His clinical expertise encompasses Pituitary Tumor, Hypothalamic Tumor, Brain Tumor, Endoscopic Transnasal Transsphenoidal Surgery, and Balloon Sinuplasty.
Frequently Asked Questions about Dr. William G. Loudon
How do I make an appointment with Dr. William G. Loudon?
You can book an appointment with Dr. William G. Loudon by calling their office at 714-734-3280. MediFind provides direct contact information so you can schedule visits, second opinions, or consultations without navigating third-party calendars.
Is Dr. William G. Loudon a top-rated expert for Bulging Fontanelles?
MediFind is an objective health platform that identifies experts based on real-world data. Dr. William G. Loudon is classified as an Distinguished expert for Bulging Fontanelles, meaning they are among the top experts in the country for this condition. This ranking is based on their volume of patients, published research, and peer connections.
What conditions does Dr. William G. Loudon specialize in?
While Dr. William G. Loudon is a Neurosurgery, they have specific expertise in Bulging Fontanelles, Hydrocephalus, and Sunken Fontanelles. MediFind analyzes a doctor's articles and referral patterns to identify their specific areas of focus within Neurosurgery.
Does Dr. William G. Loudon participate in research or clinical trials?
Yes. Dr. William G. Loudon has published 25 articles and abstracts on conditions like Bulging Fontanelles. You can view a list of Dr. William G. Loudon's latest peer-reviewed publications and clinical trial participation on their profile to see if they are active in new treatments.
Does Dr. William G. Loudon accept my insurance?
Dr. William G. Loudon accepts most major insurance plans, including Anthem BCBS and Blue Shield of California. We recommend calling the office directly at 714-734-3280 to verify that your specific plan is currently accepted before your visit.
Areas of Expertise
MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.
Learn more about MediFind’s expert tiers
- Distinguished
- Bulging FontanellesDr. Loudon isDistinguished. Learn about Bulging Fontanelles.
- HydrocephalusDr. Loudon isDistinguished. Learn about Hydrocephalus.
- Advanced
- Arachnoid CystsDr. Loudon isAdvanced. Learn about Arachnoid Cysts.
- Arteriovenous MalformationDr. Loudon isAdvanced. Learn about Arteriovenous Malformation.
- AstrocytomaDr. Loudon isAdvanced. Learn about Astrocytoma.
- Baller-Gerold SyndromeDr. Loudon isAdvanced. Learn about Baller-Gerold Syndrome.
- Binder's SyndromeDr. Loudon isAdvanced. Learn about Binder's Syndrome.
- Brain HerniationDr. Loudon isAdvanced. Learn about Brain Herniation.
- Brain Stem CancerDr. Loudon isAdvanced. Learn about Brain Stem Cancer.
- Brain TumorDr. Loudon isAdvanced. Learn about Brain Tumor.
- Cerebellum Agenesis HydrocephalyDr. Loudon isAdvanced. Learn about Cerebellum Agenesis Hydrocephaly.
- Cerebral Arteriovenous Malformation
- Chiari MalformationDr. Loudon isAdvanced. Learn about Chiari Malformation.
- Chiari Malformation Type 1Dr. Loudon isAdvanced. Learn about Chiari Malformation Type 1.
- Chiari Malformation Type 2Dr. Loudon isAdvanced. Learn about Chiari Malformation Type 2.
- Choroid Plexus CystDr. Loudon isAdvanced. Learn about Choroid Plexus Cyst.
- Choroid Plexus PapillomaDr. Loudon isAdvanced. Learn about Choroid Plexus Papilloma.
- CraniosynostosisDr. Loudon isAdvanced. Learn about Craniosynostosis.
- Dandy-Walker SyndromeDr. Loudon isAdvanced. Learn about Dandy-Walker Syndrome.
- Diffuse Midline Glioma H3 K27M-Mutant
- Dysembryoplastic Neuroepithelial Tumors (DNET)
- Embryonal Tumor with Multilayered Rosettes
- Familial PorencephalyDr. Loudon isAdvanced. Learn about Familial Porencephaly.
- Frontonasal DysplasiaDr. Loudon isAdvanced. Learn about Frontonasal Dysplasia.
- GlioblastomaDr. Loudon isAdvanced. Learn about Glioblastoma.
- GliomaDr. Loudon isAdvanced. Learn about Glioma.
- Increased Head CircumferenceDr. Loudon isAdvanced. Learn about Increased Head Circumference.
- Lambdoid SynostosisDr. Loudon isAdvanced. Learn about Lambdoid Synostosis.
- Legius SyndromeDr. Loudon isAdvanced. Learn about Legius Syndrome.
- Metopic RidgeDr. Loudon isAdvanced. Learn about Metopic Ridge.
- NeurofibromatosisDr. Loudon isAdvanced. Learn about Neurofibromatosis.
- Neurofibromatosis Type 1 (NF1)Dr. Loudon isAdvanced. Learn about Neurofibromatosis Type 1 (NF1).
- Neurofibromatosis Type 2 (NF2)Dr. Loudon isAdvanced. Learn about Neurofibromatosis Type 2 (NF2).
- Optic GliomaDr. Loudon isAdvanced. Learn about Optic Glioma.
- OsteochondromaDr. Loudon isAdvanced. Learn about Osteochondroma.
- PlagiocephalyDr. Loudon isAdvanced. Learn about Plagiocephaly.
- Posterior Fossa TumorDr. Loudon isAdvanced. Learn about Posterior Fossa Tumor.
- Primary Basilar ImpressionDr. Loudon isAdvanced. Learn about Primary Basilar Impression.
- Primitive Neuroectodermal Tumor (PNET)
- Pulmonary Arteriovenous Malformation (PAVM)
- RASopathiesDr. Loudon isAdvanced. Learn about RASopathies.
- Sunken FontanellesDr. Loudon isAdvanced. Learn about Sunken Fontanelles.
- SyringobulbiaDr. Loudon isAdvanced. Learn about Syringobulbia.
- SyringomyeliaDr. Loudon isAdvanced. Learn about Syringomyelia.
- Tethered Cord SyndromeDr. Loudon isAdvanced. Learn about Tethered Cord Syndrome.
- Vein of Galen AneurysmDr. Loudon isAdvanced. Learn about Vein of Galen Aneurysm.
- Wyburn-Mason SyndromeDr. Loudon isAdvanced. Learn about Wyburn-Mason Syndrome.
- Experienced
- Abdominal Cystic LymphangiomaDr. Loudon isExperienced. Learn about Abdominal Cystic Lymphangioma.
- AchondroplasiaDr. Loudon isExperienced. Learn about Achondroplasia.
- Acoustic NeuromaDr. Loudon isExperienced. Learn about Acoustic Neuroma.
- AcrocephalopolydactylyDr. Loudon isExperienced. Learn about Acrocephalopolydactyly.
- Acromegaloid Facial Appearance SyndromeDr. Loudon isExperienced. Learn about Acromegaloid Facial Appearance Syndrome.
- Adrenal Insufficiency PediatricDr. Loudon isExperienced. Learn about Adrenal Insufficiency Pediatric.
- ALK-Positive Non-Small Cell Lung CancerDr. Loudon isExperienced. Learn about ALK-Positive Non-Small Cell Lung Cancer.
- Apert SyndromeDr. Loudon isExperienced. Learn about Apert Syndrome.
- ApoplexyDr. Loudon isExperienced. Learn about Apoplexy.
- Aseptic and Alopecic Nodules of Scalp (AANS)
- Atresia of Small IntestineDr. Loudon isExperienced. Learn about Atresia of Small Intestine.
- Atypical Teratoid Rhabdoid Tumor (ATRT)Dr. Loudon isExperienced. Learn about Atypical Teratoid Rhabdoid Tumor (ATRT).
- Brain AbscessDr. Loudon isExperienced. Learn about Brain Abscess.
- Caudal Regression SyndromeDr. Loudon isExperienced. Learn about Caudal Regression Syndrome.
- Cavernous LymphangiomaDr. Loudon isExperienced. Learn about Cavernous Lymphangioma.
- Cavernous Sinus ThrombosisDr. Loudon isExperienced. Learn about Cavernous Sinus Thrombosis.
- Cerebral Cavernous MalformationDr. Loudon isExperienced. Learn about Cerebral Cavernous Malformation.
- Cerebral Ventricle CancerDr. Loudon isExperienced. Learn about Cerebral Ventricle Cancer.
- CHARGE SyndromeDr. Loudon isExperienced. Learn about CHARGE Syndrome.
- Choroid Plexus CarcinomaDr. Loudon isExperienced. Learn about Choroid Plexus Carcinoma.
- Chronic Subdural HematomaDr. Loudon isExperienced. Learn about Chronic Subdural Hematoma.
- ConcussionDr. Loudon isExperienced. Learn about Concussion.
- Congenital Cardiovascular ShuntDr. Loudon isExperienced. Learn about Congenital Cardiovascular Shunt.
- Corpus Callosum Dysgenesis Hypopituitarism
- Cortical DysplasiaDr. Loudon isExperienced. Learn about Cortical Dysplasia.
- CraniopharyngiomaDr. Loudon isExperienced. Learn about Craniopharyngioma.
- Crouzon SyndromeDr. Loudon isExperienced. Learn about Crouzon Syndrome.
- Cystic HygromaDr. Loudon isExperienced. Learn about Cystic Hygroma.
- DeliriumDr. Loudon isExperienced. Learn about Delirium.
- Dextrocardia with Situs InversusDr. Loudon isExperienced. Learn about Dextrocardia with Situs Inversus.
- Diabetes Insipidus (DI)Dr. Loudon isExperienced. Learn about Diabetes Insipidus (DI).
- Diencephalic SyndromeDr. Loudon isExperienced. Learn about Diencephalic Syndrome.
- Donohue SyndromeDr. Loudon isExperienced. Learn about Donohue Syndrome.
- Duodenal AtresiaDr. Loudon isExperienced. Learn about Duodenal Atresia.
- Empty Sella SyndromeDr. Loudon isExperienced. Learn about Empty Sella Syndrome.
- EncephaloceleDr. Loudon isExperienced. Learn about Encephalocele.
- EpendymomaDr. Loudon isExperienced. Learn about Ependymoma.
- Epidural AbscessDr. Loudon isExperienced. Learn about Epidural Abscess.
- Epidural HematomaDr. Loudon isExperienced. Learn about Epidural Hematoma.
- EpilepsyDr. Loudon isExperienced. Learn about Epilepsy.
- Familial Short Stature (FSS)Dr. Loudon isExperienced. Learn about Familial Short Stature (FSS).
- Fibrous DysplasiaDr. Loudon isExperienced. Learn about Fibrous Dysplasia.
- Focal DystoniaDr. Loudon isExperienced. Learn about Focal Dystonia.
- Focal or Multifocal Malformations in Neuronal Migration
- Fractured SpineDr. Loudon isExperienced. Learn about Fractured Spine.
- GanglioneuromaDr. Loudon isExperienced. Learn about Ganglioneuroma.
- Gliomatosis CerebriDr. Loudon isExperienced. Learn about Gliomatosis Cerebri.
- GliosarcomaDr. Loudon isExperienced. Learn about Gliosarcoma.
- Gorlin-Chaudhry-Moss SyndromeDr. Loudon isExperienced. Learn about Gorlin-Chaudhry-Moss Syndrome.
- HemangiomaDr. Loudon isExperienced. Learn about Hemangioma.
- Hydrocephalus Autosomal RecessiveDr. Loudon isExperienced. Learn about Hydrocephalus Autosomal Recessive.
- Hydrocephalus due to Congenital Stenosis of Aqueduct of Sylvius
- Hydrocephalus Skeletal AnomaliesDr. Loudon isExperienced. Learn about Hydrocephalus Skeletal Anomalies.
- Hygroma CervicalDr. Loudon isExperienced. Learn about Hygroma Cervical.
- Hypertrichosis-Acromegaloid Facial Appearance Syndrome
- HypochondroplasiaDr. Loudon isExperienced. Learn about Hypochondroplasia.
- Hypothalamic TumorDr. Loudon isExperienced. Learn about Hypothalamic Tumor.
- Idiopathic Short Stature (ISS)Dr. Loudon isExperienced. Learn about Idiopathic Short Stature (ISS).
- Increased Intracranial PressureDr. Loudon isExperienced. Learn about Increased Intracranial Pressure.
- Intraventricular Hemorrhage of the Newborn
- Isolated ACTH DeficiencyDr. Loudon isExperienced. Learn about Isolated ACTH Deficiency.
- Koolen De Vries SyndromeDr. Loudon isExperienced. Learn about Koolen De Vries Syndrome.
- Lhermitte-Duclos DiseaseDr. Loudon isExperienced. Learn about Lhermitte-Duclos Disease.
- MedulloblastomaDr. Loudon isExperienced. Learn about Medulloblastoma.
- MeningiomaDr. Loudon isExperienced. Learn about Meningioma.
- MeningitisDr. Loudon isExperienced. Learn about Meningitis.
- MeningoencephaloceleDr. Loudon isExperienced. Learn about Meningoencephalocele.
- Metastatic Brain TumorDr. Loudon isExperienced. Learn about Metastatic Brain Tumor.
- MicrotiaDr. Loudon isExperienced. Learn about Microtia.
- Mucopolysaccharidoses (MPS)Dr. Loudon isExperienced. Learn about Mucopolysaccharidoses (MPS).
- Mucopolysaccharidosis Type 4 (MPS IV, Morquio Syndrome)
- Mucopolysaccharidosis Type 4A (MPS IVA, Morquio Syndrome Type A)
- Multiple Epiphyseal DysplasiaDr. Loudon isExperienced. Learn about Multiple Epiphyseal Dysplasia.
- MyelomeningoceleDr. Loudon isExperienced. Learn about Myelomeningocele.
- Neural Crest TumorDr. Loudon isExperienced. Learn about Neural Crest Tumor.
- NeuroepitheliomaDr. Loudon isExperienced. Learn about Neuroepithelioma.
- Neurogenic BowelDr. Loudon isExperienced. Learn about Neurogenic Bowel.
- Normal Pressure HydrocephalusDr. Loudon isExperienced. Learn about Normal Pressure Hydrocephalus.
- OligodendrogliomaDr. Loudon isExperienced. Learn about Oligodendroglioma.
- OmphaloceleDr. Loudon isExperienced. Learn about Omphalocele.
- Oral CancerDr. Loudon isExperienced. Learn about Oral Cancer.
- Pallister-Hall SyndromeDr. Loudon isExperienced. Learn about Pallister-Hall Syndrome.
- Partial SeizureDr. Loudon isExperienced. Learn about Partial Seizure.
- Pediatric Low-Grade Glioma (pLGG)Dr. Loudon isExperienced. Learn about Pediatric Low-Grade Glioma (pLGG).
- Periventricular HeterotopiaDr. Loudon isExperienced. Learn about Periventricular Heterotopia.
- Pfeiffer SyndromeDr. Loudon isExperienced. Learn about Pfeiffer Syndrome.
- PIK3CA-Related Overgrowth SpectrumDr. Loudon isExperienced. Learn about PIK3CA-Related Overgrowth Spectrum.
- Pituitary ApoplexyDr. Loudon isExperienced. Learn about Pituitary Apoplexy.
- Pituitary TumorDr. Loudon isExperienced. Learn about Pituitary Tumor.
- PorencephalyDr. Loudon isExperienced. Learn about Porencephaly.
- Processing Deficient Progeroid Laminopathies (PDPL)
- ProgeriaDr. Loudon isExperienced. Learn about Progeria.
- ProlactinomaDr. Loudon isExperienced. Learn about Prolactinoma.
- Pseudotumor Cerebri SyndromeDr. Loudon isExperienced. Learn about Pseudotumor Cerebri Syndrome.
- Radiation Induced MeningiomaDr. Loudon isExperienced. Learn about Radiation Induced Meningioma.
- Rathke Cleft CystDr. Loudon isExperienced. Learn about Rathke Cleft Cyst.
- Saethre-Chotzen SyndromeDr. Loudon isExperienced. Learn about Saethre-Chotzen Syndrome.
- SchizencephalyDr. Loudon isExperienced. Learn about Schizencephaly.
- SchwannomaDr. Loudon isExperienced. Learn about Schwannoma.
- SchwannomatosisDr. Loudon isExperienced. Learn about Schwannomatosis.
- SeizuresDr. Loudon isExperienced. Learn about Seizures.
- Sheehan SyndromeDr. Loudon isExperienced. Learn about Sheehan Syndrome.
- Short Stature (Growth Disorders)Dr. Loudon isExperienced. Learn about Short Stature (Growth Disorders).
- Situs InversusDr. Loudon isExperienced. Learn about Situs Inversus.
- SpasticityDr. Loudon isExperienced. Learn about Spasticity.
- Spinal Cord AbscessDr. Loudon isExperienced. Learn about Spinal Cord Abscess.
- Spondylocarpotarsal Synostosis SyndromeDr. Loudon isExperienced. Learn about Spondylocarpotarsal Synostosis Syndrome.
- StrokeDr. Loudon isExperienced. Learn about Stroke.
- Subarachnoid HemorrhageDr. Loudon isExperienced. Learn about Subarachnoid Hemorrhage.
- Subcortical Band HeterotopiaDr. Loudon isExperienced. Learn about Subcortical Band Heterotopia.
- Subdural HematomaDr. Loudon isExperienced. Learn about Subdural Hematoma.
- Subependymal Nodular HeterotopiaDr. Loudon isExperienced. Learn about Subependymal Nodular Heterotopia.
- SubependymomaDr. Loudon isExperienced. Learn about Subependymoma.
- ThrombophlebitisDr. Loudon isExperienced. Learn about Thrombophlebitis.
- Trigeminal NeuralgiaDr. Loudon isExperienced. Learn about Trigeminal Neuralgia.
- Tuberous SclerosisDr. Loudon isExperienced. Learn about Tuberous Sclerosis.
- Tuberous Sclerosis ComplexDr. Loudon isExperienced. Learn about Tuberous Sclerosis Complex.
- Werner SyndromeDr. Loudon isExperienced. Learn about Werner Syndrome.
- Wiedemann-Rautenstrauch SyndromeDr. Loudon isExperienced. Learn about Wiedemann-Rautenstrauch Syndrome.
- Wolfram SyndromeDr. Loudon isExperienced. Learn about Wolfram Syndrome.
