Overview
William Casas is a primary care provider, practicing in Family Medicine in La Verne, California.
Dr. Casas is highly rated in 11 conditions, according to our data. His clinical expertise encompasses Obesity, Obesity in Children, Sitosterolemia, and High Cholesterol.
Specialties
Licenses
Hospital Affiliations
Languages Spoken
Gender
Insurance
Accepted insurance can change. Please verify directly with the provider.
Accepted insurance plans:
- EPO
- HMO
- POS
- PPO
- MEDICARE MAPD
- MEDICARE SNP
- OTHER MEDICARE
- OTHER MEDICARE PART D
- EPO
- HMO
- POS
- PPO
- 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
- HMO
- POS
- PPO
- OTHER MEDICARE
- OTHER MEDICARE PART D
- EPO
- HMO
- PPO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- OTHER COMMERCIAL
- OTHER MEDICARE PART D
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- PPO
Accepted plan types not found. Please verify directly with the provider.
- HMO
- PPO
- HMO
- INDEMNITY
- POS
- PPO
- EPO
- POS
- PPO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER MEDICARE
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- OTHER MEDICARE
- POS
- PPO
- HMO
- MANAGED MEDICAID PLAN
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER MANAGED MEDICAID
- OTHER MEDICAID
- STATE MEDICAID
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- INSURANCE PLAN
- MEDICARE MAPD
- OTHER COMMERCIAL
- PPO
- INSURANCE PLAN
- MEDICARE MAPD
- EPO
- HMO
- POS
- PPO
- MEDICARE DISCOUNT CARD
- MEDICARE PDP
- OTHER MEDICARE
- EPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER MEDICARE
- OTHER MEDICARE PART D
Locations
2333 Foothill Blvd, La Verne, CA 91750
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Frequently Asked Questions about Dr. William Casas
How do I make an appointment with Dr. William Casas?
You can book an appointment with Dr. William Casas by calling their office at 909-392-6501. MediFind provides direct contact information so you can schedule visits, second opinions, or consultations without navigating third-party calendars.
Is Dr. William Casas a top-rated expert for Obesity?
MediFind is an objective health platform that identifies experts based on real-world data. Dr. William Casas is classified as an Advanced expert for Obesity, 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 Casas specialize in?
While Dr. William Casas is a Family Medicine, they have specific expertise in Obesity, Obesity in Children, and Sitosterolemia. MediFind analyzes a doctor's articles and referral patterns to identify their specific areas of focus within Family Medicine.
Does Dr. William Casas accept my insurance?
Dr. William Casas accepts most major insurance plans, including Aetna and Alignment Health Plan. We recommend calling the office directly at 909-392-6501 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
- Advanced
- Familial HypertensionDr. Casas isAdvanced. Learn about Familial Hypertension.
- Glucocorticoid-Remediable Aldosteronism
- High CholesterolDr. Casas isAdvanced. Learn about High Cholesterol.
- HypertensionDr. Casas isAdvanced. Learn about Hypertension.
- NecrosisDr. Casas isAdvanced. Learn about Necrosis.
- ObesityDr. Casas isAdvanced. Learn about Obesity.
- Obesity in ChildrenDr. Casas isAdvanced. Learn about Obesity in Children.
- Peptic UlcerDr. Casas isAdvanced. Learn about Peptic Ulcer.
- SitosterolemiaDr. Casas isAdvanced. Learn about Sitosterolemia.
- TracheitisDr. Casas isAdvanced. Learn about Tracheitis.
- Type 2 Diabetes (T2D)Dr. Casas isAdvanced. Learn about Type 2 Diabetes (T2D).
- Experienced
- AcneDr. Casas isExperienced. Learn about Acne.
- Acute Kidney FailureDr. Casas isExperienced. Learn about Acute Kidney Failure.
- Acute Mountain SicknessDr. Casas isExperienced. Learn about Acute Mountain Sickness.
- Acute PancreatitisDr. Casas isExperienced. Learn about Acute Pancreatitis.
- Allergic RhinitisDr. Casas isExperienced. Learn about Allergic Rhinitis.
- Alopecia AreataDr. Casas isExperienced. Learn about Alopecia Areata.
- AmenorrheaDr. Casas isExperienced. Learn about Amenorrhea.
- AnemiaDr. Casas isExperienced. Learn about Anemia.
- ApoplexyDr. Casas isExperienced. Learn about Apoplexy.
- Aseptic and Alopecic Nodules of Scalp (AANS)
- AsthmaDr. Casas isExperienced. Learn about Asthma.
- Asthma in ChildrenDr. Casas isExperienced. Learn about Asthma in Children.
- AtherosclerosisDr. Casas isExperienced. Learn about Atherosclerosis.
- Attention Deficit Hyperactivity Disorder (ADHD)
- Autosomal Recessive HypotrichosisDr. Casas isExperienced. Learn about Autosomal Recessive Hypotrichosis.
- Bacterial GastroenteritisDr. Casas isExperienced. Learn about Bacterial Gastroenteritis.
- Bell's PalsyDr. Casas isExperienced. Learn about Bell's Palsy.
- Benign Paroxysmal Positional VertigoDr. Casas isExperienced. Learn about Benign Paroxysmal Positional Vertigo.
- CellulitisDr. Casas isExperienced. Learn about Cellulitis.
- Cerebellar Multiple System AtrophyDr. Casas isExperienced. Learn about Cerebellar Multiple System Atrophy.
- Cheilitis GlandularisDr. Casas isExperienced. Learn about Cheilitis Glandularis.
- Childhood Hypophosphatasia (HPP)Dr. Casas isExperienced. Learn about Childhood Hypophosphatasia (HPP).
- Childhood Iron Deficiency AnemiaDr. Casas isExperienced. Learn about Childhood Iron Deficiency Anemia.
- Childhood PancreatitisDr. Casas isExperienced. Learn about Childhood Pancreatitis.
- Chronic Inflammatory Response Syndrome (CIRS)
- Chronic Obstructive Pulmonary Disease (COPD)
- Chronic PainDr. Casas isExperienced. Learn about Chronic Pain.
- CirrhosisDr. Casas isExperienced. Learn about Cirrhosis.
- ConcussionDr. Casas isExperienced. Learn about Concussion.
- Congenital Sucrase-Isomaltase Deficiency
- Conjunctivitis (Pink Eye)Dr. Casas isExperienced. Learn about Conjunctivitis (Pink Eye).
- Contact DermatitisDr. Casas isExperienced. Learn about Contact Dermatitis.
- Coronary Heart DiseaseDr. Casas isExperienced. Learn about Coronary Heart Disease.
- CostochondritisDr. Casas isExperienced. Learn about Costochondritis.
- COVID-19Dr. Casas isExperienced. Learn about COVID-19.
- Cramp-Fasciculation SyndromeDr. Casas isExperienced. Learn about Cramp-Fasciculation Syndrome.
- DeliriumDr. Casas isExperienced. Learn about Delirium.
- DementiaDr. Casas isExperienced. Learn about Dementia.
- Diabetic NeuropathyDr. Casas isExperienced. Learn about Diabetic Neuropathy.
- DiarrheaDr. Casas isExperienced. Learn about Diarrhea.
- Diverticular DiseaseDr. Casas isExperienced. Learn about Diverticular Disease.
- EmpyemaDr. Casas isExperienced. Learn about Empyema.
- Enlarged LiverDr. Casas isExperienced. Learn about Enlarged Liver.
- Enlarged Prostate (BPH)Dr. Casas isExperienced. Learn about Enlarged Prostate (BPH).
- Epidural LipomatosisDr. Casas isExperienced. Learn about Epidural Lipomatosis.
- EpilepsyDr. Casas isExperienced. Learn about Epilepsy.
- Eyelid BumpDr. Casas isExperienced. Learn about Eyelid Bump.
- Facial ParalysisDr. Casas isExperienced. Learn about Facial Paralysis.
- FaintingDr. Casas isExperienced. Learn about Fainting.
- Familial HypertriglyceridemiaDr. Casas isExperienced. Learn about Familial Hypertriglyceridemia.
- Familial HypopituitarismDr. Casas isExperienced. Learn about Familial Hypopituitarism.
- Familial Neurocardiogenic SyncopeDr. Casas isExperienced. Learn about Familial Neurocardiogenic Syncope.
- FibromyalgiaDr. Casas isExperienced. Learn about Fibromyalgia.
- Folate DeficiencyDr. Casas isExperienced. Learn about Folate Deficiency.
- FolliculitisDr. Casas isExperienced. Learn about Folliculitis.
- Food AllergyDr. Casas isExperienced. Learn about Food Allergy.
- Gallbladder DiseaseDr. Casas isExperienced. Learn about Gallbladder Disease.
- GallstonesDr. Casas isExperienced. Learn about Gallstones.
- Gas Bloat SyndromeDr. Casas isExperienced. Learn about Gas Bloat Syndrome.
- GastritisDr. Casas isExperienced. Learn about Gastritis.
- Gastroesophageal Reflux Disease (GERD)
- Gastrointestinal PerforationDr. Casas isExperienced. Learn about Gastrointestinal Perforation.
- Generalized Anxiety Disorder (GAD)Dr. Casas isExperienced. Learn about Generalized Anxiety Disorder (GAD).
- Glucose Phosphate Isomerase Deficiency
- Glucose-Galactose Malabsorption Deficiency
- GoutDr. Casas isExperienced. Learn about Gout.
- Grass AllergyDr. Casas isExperienced. Learn about Grass Allergy.
- Heart AttackDr. Casas isExperienced. Learn about Heart Attack.
- Heart FailureDr. Casas isExperienced. Learn about Heart Failure.
- Heart Failure with Preserved Ejection Fraction (HFpEF)
- Heart MurmursDr. Casas isExperienced. Learn about Heart Murmurs.
- Helicobacter Pylori InfectionDr. Casas isExperienced. Learn about Helicobacter Pylori Infection.
- HemiplegiaDr. Casas isExperienced. Learn about Hemiplegia.
- HepatitisDr. Casas isExperienced. Learn about Hepatitis.
- Hepatocerebral DegenerationDr. Casas isExperienced. Learn about Hepatocerebral Degeneration.
- Hepatorenal SyndromeDr. Casas isExperienced. Learn about Hepatorenal Syndrome.
- HivesDr. Casas isExperienced. Learn about Hives.
- HyperhidrosisDr. Casas isExperienced. Learn about Hyperhidrosis.
- Hypertensive Heart DiseaseDr. Casas isExperienced. Learn about Hypertensive Heart Disease.
- Hypophosphatasia (HPP)Dr. Casas isExperienced. Learn about Hypophosphatasia (HPP).
- HypophosphatemiaDr. Casas isExperienced. Learn about Hypophosphatemia.
- HypothyroidismDr. Casas isExperienced. Learn about Hypothyroidism.
- Idiopathic EdemaDr. Casas isExperienced. Learn about Idiopathic Edema.
- ImpetigoDr. Casas isExperienced. Learn about Impetigo.
- Inappropriate Sinus Tachycardia (IST)Dr. Casas isExperienced. Learn about Inappropriate Sinus Tachycardia (IST).
- InsomniaDr. Casas isExperienced. Learn about Insomnia.
- IntertrigoDr. Casas isExperienced. Learn about Intertrigo.
- Iron Deficiency AnemiaDr. Casas isExperienced. Learn about Iron Deficiency Anemia.
- Irritable Bowel Syndrome (IBS)Dr. Casas isExperienced. Learn about Irritable Bowel Syndrome (IBS).
- JaundiceDr. Casas isExperienced. Learn about Jaundice.
- Jock ItchDr. Casas isExperienced. Learn about Jock Itch.
- Juvenile Paget's DiseaseDr. Casas isExperienced. Learn about Juvenile Paget's Disease.
- Long Haul COVIDDr. Casas isExperienced. Learn about Long Haul COVID.
- Low Blood PressureDr. Casas isExperienced. Learn about Low Blood Pressure.
- Low Blood SugarDr. Casas isExperienced. Learn about Low Blood Sugar.
- Lung MetastasesDr. Casas isExperienced. Learn about Lung Metastases.
- LymphangitisDr. Casas isExperienced. Learn about Lymphangitis.
- Lymphofollicular HyperplasiaDr. Casas isExperienced. Learn about Lymphofollicular Hyperplasia.
- MacroamylasemiaDr. Casas isExperienced. Learn about Macroamylasemia.
- Male Genital SoresDr. Casas isExperienced. Learn about Male Genital Sores.
- Male Pattern BaldnessDr. Casas isExperienced. Learn about Male Pattern Baldness.
- Maturity Onset Diabetes of the YoungDr. Casas isExperienced. Learn about Maturity Onset Diabetes of the Young.
- Memory LossDr. Casas isExperienced. Learn about Memory Loss.
- MigraineDr. Casas isExperienced. Learn about Migraine.
- Migraine with Brainstem AuraDr. Casas isExperienced. Learn about Migraine with Brainstem Aura.
- Molluscum ContagiosumDr. Casas isExperienced. Learn about Molluscum Contagiosum.
- Morning SicknessDr. Casas isExperienced. Learn about Morning Sickness.
- Multiple Carboxylase DeficiencyDr. Casas isExperienced. Learn about Multiple Carboxylase Deficiency.
- Multisystem Inflammatory Syndrome in Children (MIS-C)
- Muscle SpasmsDr. Casas isExperienced. Learn about Muscle Spasms.
- NephrosclerosisDr. Casas isExperienced. Learn about Nephrosclerosis.
- NeuralgiaDr. Casas isExperienced. Learn about Neuralgia.
- Non-Alcoholic Fatty Liver DiseaseDr. Casas isExperienced. Learn about Non-Alcoholic Fatty Liver Disease.
- OpisthotonosDr. Casas isExperienced. Learn about Opisthotonos.
- OsteoarthritisDr. Casas isExperienced. Learn about Osteoarthritis.
- Osteomyelitis in ChildrenDr. Casas isExperienced. Learn about Osteomyelitis in Children.
- OtitisDr. Casas isExperienced. Learn about Otitis.
- Painful SwallowingDr. Casas isExperienced. Learn about Painful Swallowing.
- Parinaud Oculoglandular SyndromeDr. Casas isExperienced. Learn about Parinaud Oculoglandular Syndrome.
- Pediatric MyocarditisDr. Casas isExperienced. Learn about Pediatric Myocarditis.
- Periorbital CellulitisDr. Casas isExperienced. Learn about Periorbital Cellulitis.
- Peripheral NeuropathyDr. Casas isExperienced. Learn about Peripheral Neuropathy.
- Pilonidal Sinus DiseaseDr. Casas isExperienced. Learn about Pilonidal Sinus Disease.
- Plantar FasciitisDr. Casas isExperienced. Learn about Plantar Fasciitis.
- PneumoniaDr. Casas isExperienced. Learn about Pneumonia.
- ProctitisDr. Casas isExperienced. Learn about Proctitis.
- Pulmonary EdemaDr. Casas isExperienced. Learn about Pulmonary Edema.
- Pulmonary EmbolismDr. Casas isExperienced. Learn about Pulmonary Embolism.
- Recurrent Peripheral Facial PalsyDr. Casas isExperienced. Learn about Recurrent Peripheral Facial Palsy.
- Renovascular HypertensionDr. Casas isExperienced. Learn about Renovascular Hypertension.
- Rheumatoid VasculitisDr. Casas isExperienced. Learn about Rheumatoid Vasculitis.
- RingwormDr. Casas isExperienced. Learn about Ringworm.
- SciaticaDr. Casas isExperienced. Learn about Sciatica.
- ScoliosisDr. Casas isExperienced. Learn about Scoliosis.
- Scrotal SwellingDr. Casas isExperienced. Learn about Scrotal Swelling.
- Seasonal Affective Disorder (SAD)Dr. Casas isExperienced. Learn about Seasonal Affective Disorder (SAD).
- SepsisDr. Casas isExperienced. Learn about Sepsis.
- ShinglesDr. Casas isExperienced. Learn about Shingles.
- SinusitisDr. Casas isExperienced. Learn about Sinusitis.
- SplenomegalyDr. Casas isExperienced. Learn about Splenomegaly.
- Splinter HemorrhagesDr. Casas isExperienced. Learn about Splinter Hemorrhages.
- Stasis Dermatitis and UlcersDr. Casas isExperienced. Learn about Stasis Dermatitis and Ulcers.
- StrokeDr. Casas isExperienced. Learn about Stroke.
- Subacute Combined DegenerationDr. Casas isExperienced. Learn about Subacute Combined Degeneration.
- Swallowing DifficultyDr. Casas isExperienced. Learn about Swallowing Difficulty.
- Tennis ElbowDr. Casas isExperienced. Learn about Tennis Elbow.
- TenosynovitisDr. Casas isExperienced. Learn about Tenosynovitis.
- Tension HeadacheDr. Casas isExperienced. Learn about Tension Headache.
- ThrombocytopeniaDr. Casas isExperienced. Learn about Thrombocytopenia.
- Tietz SyndromeDr. Casas isExperienced. Learn about Tietz Syndrome.
- TinnitusDr. Casas isExperienced. Learn about Tinnitus.
- TMJ DisordersDr. Casas isExperienced. Learn about TMJ Disorders.
- Trichohepatoenteric SyndromeDr. Casas isExperienced. Learn about Trichohepatoenteric Syndrome.
- Type 1 Diabetes (T1D)Dr. Casas isExperienced. Learn about Type 1 Diabetes (T1D).
- Umbilical HerniaDr. Casas isExperienced. Learn about Umbilical Hernia.
- Urinary IncontinenceDr. Casas isExperienced. Learn about Urinary Incontinence.
- Urinary Tract Infection (UTI)Dr. Casas isExperienced. Learn about Urinary Tract Infection (UTI).
- Urinary Tract Infection in ChildrenDr. Casas isExperienced. Learn about Urinary Tract Infection in Children.
- Vaginal Bleeding Between PeriodsDr. Casas isExperienced. Learn about Vaginal Bleeding Between Periods.
- Vaginal CystsDr. Casas isExperienced. Learn about Vaginal Cysts.
- Vaginal DrynessDr. Casas isExperienced. Learn about Vaginal Dryness.
- Varicose VeinsDr. Casas isExperienced. Learn about Varicose Veins.
- Venous InsufficiencyDr. Casas isExperienced. Learn about Venous Insufficiency.
- VertigoDr. Casas isExperienced. Learn about Vertigo.
- VisceromegalyDr. Casas isExperienced. Learn about Visceromegaly.
- Vitamin B12 Deficiency AnemiaDr. Casas isExperienced. Learn about Vitamin B12 Deficiency Anemia.
- Vitamin D DeficiencyDr. Casas isExperienced. Learn about Vitamin D Deficiency.
- VitiligoDr. Casas isExperienced. Learn about Vitiligo.
- WartsDr. Casas isExperienced. Learn about Warts.