Dr. William Gunter Loudon
Dr. William G. Loudon
Last updated: Feb 12, 2026

Dr. William G. Loudon

  • Gender: Male
  • Experience: 30 years
  • Graduated from: University Of Texas Medical School At Houston
  • Graduation year: 1991
  • Sole propriator: No
  • NPI: 1437265816

Dr. William G. Loudon MD

Neurosurgeon

He is located at 30131 Town Center Drive Suite 195 in Laguna Niguel, CA 92677. Can help patients with the following: Allergic Reaction, Fever, Influenza, Kawasaki Disease, Sudden Infant Death Syndrome (SIDS), Turner Syndrome. His National Provider Identifier (NPI) number is 1437265816. Appointment can be made via the phone number (714) 677-9463. He is affiliated with 2 practices and 2 hospitals.

Conditions treated

Dr. William Gunter Loudon, being an neurosurgeon, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. William G. Loudon.

  • Abdominal Pain
  • Acoustic Neuroma
  • Allergic Reaction
  • Anemia
  • Anencephaly
  • Asthma
  • Autism
  • Bee and Wasp Stings
  • Birth Defects
  • Brain Aneurysm
  • Brain Cancer
  • Brain Damage
  • Brain Hemorrhage
  • Brain Lesions
  • Bronchitis
  • Cauda Equina Syndrome
  • Cerebral Aneurysm
  • Cerebral Palsy (CP)
  • Cervical Radiculopathy
  • Childhood Behavioral and Emotional Disorders
  • Childhood Obesity
  • Chronic Cough
  • Cleft Palate and Cleft Lip
  • Colic
  • Common Cold
  • Concussion
  • Croup
  • Developmental Delays
  • Down Syndrome
  • Dyslexia
  • Eczema
  • Edwards Syndrome
  • Enuresis
  • Fetal Alcohol Syndrome (FAS)
  • Fever
  • Food Poisoning
  • Fragile X Syndrome (FXS)
  • General Care
  • Hay Fever
  • Head Lice
  • Headache
  • Herniated Disc
  • Hives
  • Hydrocephalus
  • Infant Care
  • Influenza
  • Jaundice
  • Kawasaki Disease
  • Learning Disability
  • Migraine
  • Muscular Dystrophy
  • Nausea and Vomiting
  • Neck Pain
  • Noonan Syndrome
  • Paralysis
  • Parenting
  • Peripheral Nerve Tumors
  • Pervasive Developmental Disorders (PDD)
  • Phenylketonuria (PKU)
  • Pinched Nerve
  • Pinworm Infection
  • Prescription Refill
  • Pseudotumor Cerebri
  • Quadriplegia
  • Reye Syndrome
  • Rickets
  • Sinusitis
  • Skin Rash
  • Sore Throat
  • Speech Disorders
  • Spinal Cord Injury
  • Spinal Stenosis
  • Spondylosis
  • Stuttering
  • Sudden Infant Death Syndrome (SIDS)
  • Tourette Syndrome
  • Traumatic Brain Injury
  • Turner Syndrome
  • Upper Respiratory Infection (URI)
  • Urinary Tract Infection (UTI)
  • Williams Syndrome
  • Wilson-Turner Syndrome

Medicare Enrollment

Dr. William G. Loudon is enrolled to bill Medicare as a Practitioner - Pediatric Medicine (also registered under: Practitioner - Neurosurgery) .

Bills through: Childrens Hospital Of Orange County

Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.

Payments received

Drug payment

Medtronic $467
Jazz Pharmaceuticals $406
Baxter Healthcare $184

Other

Food and Beverage $1797

Studies

UNIVERSITY OF TEXAS MEDICAL SCHOOL AT HOUSTON

Graduated in 1991

Additional Specialities

  • Pediatrician

Affiliated practices

Children's Hospital of Orange County
455 South Main Street
Orange, 92868 CA
(714) 939-6118
West Coast Pediatric Neurosurgical
1010 West LA Veta Avenue
Orange, 92868 CA
(714) 835-2724

Affiliated hospitals

ST JOSEPH HOSPITAL
1100 WEST STEWART DR
ORANGE, 92868 CA
(714) 633-9111
SAN ANTONIO REGIONAL HOSPITAL
999 SAN BERNARDINO ROAD
UPLAND, 91786 CA
(714) 985-2811

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Questions & Answers

What conditions does Dr. William Gunter Loudon treat?

Dr. William Gunter Loudon provides treatment for Allergic Reaction, Fever, Influenza, Kawasaki Disease, Sudden Infant Death Syndrome (SIDS), Turner Syndrome. For the full list see this list.

Has Dr. William Gunter Loudon affiliation with hospitals?

Dr. William Gunter Loudon is affiliated with ST JOSEPH HOSPITAL. For the full list of hospitals see this list.

Where can you meet with Dr. William Gunter Loudon?

Dr. William Gunter Loudon's office is located at 30131 Town Center Drive Suite 195 in Laguna Niguel, CA 92677.

Does Dr. William Gunter Loudon have affiliation with practices?

Dr. William Gunter Loudon is affiliated with Children's Hospital of Orange County. For the full list of practices see this list.

Does Dr. William Gunter Loudon accept insurance?

Unfortunately we don't have any information if Dr. William Gunter Loudon accepts insurance.