Overview
Oscar Chien is a primary care provider, practicing in Internal Medicine in San Gabriel, California.
Dr. Chien is highly rated in 23 conditions, according to our data. His clinical expertise encompasses Croup, Gangrene, End-Stage Renal Disease (ESRD), Gastrostomy, and Colonoscopy.
Specialties
Licenses
Fellowships
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
- 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
- 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
- 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
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER MEDICARE PART D
- EPO
- HMO
- 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
1448 S San Gabriel Blvd, San Gabriel, CA 91776
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Frequently Asked Questions about Dr. Oscar L. Chien
How do I make an appointment with Dr. Oscar L. Chien?
You can book an appointment with Dr. Oscar L. Chien by calling their office at 626-569-2888. MediFind provides direct contact information so you can schedule visits, second opinions, or consultations without navigating third-party calendars.
Is Dr. Oscar L. Chien a top-rated expert for Croup?
MediFind is an objective health platform that identifies experts based on real-world data. Dr. Oscar L. Chien is classified as an Advanced expert for Croup, 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. Oscar L. Chien specialize in?
While Dr. Oscar L. Chien is a Internal Medicine, they have specific expertise in Croup, Gangrene, and End-Stage Renal Disease (ESRD). MediFind analyzes a doctor's articles and referral patterns to identify their specific areas of focus within Internal Medicine.
Does Dr. Oscar L. Chien accept my insurance?
Dr. Oscar L. Chien accepts most major insurance plans, including Aetna and Alignment Health Plan. We recommend calling the office directly at 626-569-2888 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
- Atypical PneumoniaDr. Chien isAdvanced. Learn about Atypical Pneumonia.
- Chronic Idiopathic Constipation (CIC)
- Chronic Kidney DiseaseDr. Chien isAdvanced. Learn about Chronic Kidney Disease.
- COVID-19Dr. Chien isAdvanced. Learn about COVID-19.
- CroupDr. Chien isAdvanced. Learn about Croup.
- End-Stage Renal Disease (ESRD)Dr. Chien isAdvanced. Learn about End-Stage Renal Disease (ESRD).
- Familial HypertensionDr. Chien isAdvanced. Learn about Familial Hypertension.
- GangreneDr. Chien isAdvanced. Learn about Gangrene.
- GastrostomyDr. Chien isAdvanced. Learn about Gastrostomy.
- Glucocorticoid-Remediable Aldosteronism
- High CholesterolDr. Chien isAdvanced. Learn about High Cholesterol.
- Hospital-Acquired PneumoniaDr. Chien isAdvanced. Learn about Hospital-Acquired Pneumonia.
- HypertensionDr. Chien isAdvanced. Learn about Hypertension.
- Maturity Onset Diabetes of the Young
- Multisystem Inflammatory Syndrome in Children (MIS-C)
- Neurotoxicity SyndromesDr. Chien isAdvanced. Learn about Neurotoxicity Syndromes.
- OsteoporosisDr. Chien isAdvanced. Learn about Osteoporosis.
- Peptic UlcerDr. Chien isAdvanced. Learn about Peptic Ulcer.
- PneumoniaDr. Chien isAdvanced. Learn about Pneumonia.
- Postmenopausal OsteoporosisDr. Chien isAdvanced. Learn about Postmenopausal Osteoporosis.
- SepsisDr. Chien isAdvanced. Learn about Sepsis.
- Type 2 Diabetes (T2D)Dr. Chien isAdvanced. Learn about Type 2 Diabetes (T2D).
- Vitamin D DeficiencyDr. Chien isAdvanced. Learn about Vitamin D Deficiency.
- Experienced
- Abdominal Obesity Metabolic SyndromeDr. Chien isExperienced. Learn about Abdominal Obesity Metabolic Syndrome.
- Acute Interstitial PneumoniaDr. Chien isExperienced. Learn about Acute Interstitial Pneumonia.
- Acute Kidney FailureDr. Chien isExperienced. Learn about Acute Kidney Failure.
- ALK-Positive Non-Small Cell Lung Cancer
- Allergic RhinitisDr. Chien isExperienced. Learn about Allergic Rhinitis.
- AnemiaDr. Chien isExperienced. Learn about Anemia.
- Angiodysplasia of the ColonDr. Chien isExperienced. Learn about Angiodysplasia of the Colon.
- ApoplexyDr. Chien isExperienced. Learn about Apoplexy.
- AscitesDr. Chien isExperienced. Learn about Ascites.
- Asymptomatic BacteriuriaDr. Chien isExperienced. Learn about Asymptomatic Bacteriuria.
- AtherosclerosisDr. Chien isExperienced. Learn about Atherosclerosis.
- Bacterial GastroenteritisDr. Chien isExperienced. Learn about Bacterial Gastroenteritis.
- Bile Duct ObstructionDr. Chien isExperienced. Learn about Bile Duct Obstruction.
- BoilsDr. Chien isExperienced. Learn about Boils.
- Bone GraftDr. Chien isExperienced. Learn about Bone Graft.
- Bowel IncontinenceDr. Chien isExperienced. Learn about Bowel Incontinence.
- CarbuncleDr. Chien isExperienced. Learn about Carbuncle.
- CellulitisDr. Chien isExperienced. Learn about Cellulitis.
- Cerebral HypoxiaDr. Chien isExperienced. Learn about Cerebral Hypoxia.
- CholecystitisDr. Chien isExperienced. Learn about Cholecystitis.
- Chronic CoughDr. Chien isExperienced. Learn about Chronic Cough.
- Chronic Erosive GastritisDr. Chien isExperienced. Learn about Chronic Erosive Gastritis.
- Chronic Obstructive Pulmonary Disease (COPD)
- Chronic Subdural HematomaDr. Chien isExperienced. Learn about Chronic Subdural Hematoma.
- CirrhosisDr. Chien isExperienced. Learn about Cirrhosis.
- ColonoscopyDr. Chien isExperienced. Learn about Colonoscopy.
- Coronary Heart DiseaseDr. Chien isExperienced. Learn about Coronary Heart Disease.
- Cytochrome C Oxidase DeficiencyDr. Chien isExperienced. Learn about Cytochrome C Oxidase Deficiency.
- Decerebrate PostureDr. Chien isExperienced. Learn about Decerebrate Posture.
- Decorticate PostureDr. Chien isExperienced. Learn about Decorticate Posture.
- DeliriumDr. Chien isExperienced. Learn about Delirium.
- DementiaDr. Chien isExperienced. Learn about Dementia.
- DiarrheaDr. Chien isExperienced. Learn about Diarrhea.
- Dravet SyndromeDr. Chien isExperienced. Learn about Dravet Syndrome.
- DysgraphiaDr. Chien isExperienced. Learn about Dysgraphia.
- EGFR Positive Lung CancerDr. Chien isExperienced. Learn about EGFR Positive Lung Cancer.
- EmpyemaDr. Chien isExperienced. Learn about Empyema.
- EndoscopyDr. Chien isExperienced. Learn about Endoscopy.
- Enlarged LiverDr. Chien isExperienced. Learn about Enlarged Liver.
- Enlarged Prostate (BPH)Dr. Chien isExperienced. Learn about Enlarged Prostate (BPH).
- Epilepsy in ChildrenDr. Chien isExperienced. Learn about Epilepsy in Children.
- Epilepsy with Myoclonic-Atonic Seizures
- Eunuchoidism Familial Hypogonadotropic
- FaintingDr. Chien isExperienced. Learn about Fainting.
- Familial HypertriglyceridemiaDr. Chien isExperienced. Learn about Familial Hypertriglyceridemia.
- Familial Neurocardiogenic SyncopeDr. Chien isExperienced. Learn about Familial Neurocardiogenic Syncope.
- FolliculitisDr. Chien isExperienced. Learn about Folliculitis.
- Gallbladder DiseaseDr. Chien isExperienced. Learn about Gallbladder Disease.
- GallstonesDr. Chien isExperienced. Learn about Gallstones.
- GastritisDr. Chien isExperienced. Learn about Gastritis.
- Gastroesophageal Reflux Disease (GERD)
- Gastrointestinal BleedingDr. Chien isExperienced. Learn about Gastrointestinal Bleeding.
- GingivostomatitisDr. Chien isExperienced. Learn about Gingivostomatitis.
- Gitelman SyndromeDr. Chien isExperienced. Learn about Gitelman Syndrome.
- GoutDr. Chien isExperienced. Learn about Gout.
- Heart AttackDr. Chien isExperienced. Learn about Heart Attack.
- Heart FailureDr. Chien isExperienced. Learn about Heart Failure.
- HepatitisDr. Chien isExperienced. Learn about Hepatitis.
- Hepatitis BDr. Chien isExperienced. Learn about Hepatitis B.
- Hypertensive Heart DiseaseDr. Chien isExperienced. Learn about Hypertensive Heart Disease.
- Hypogonadism Primary Partial AlopeciaDr. Chien isExperienced. Learn about Hypogonadism Primary Partial Alopecia.
- HypothyroidismDr. Chien isExperienced. Learn about Hypothyroidism.
- Idiopathic EdemaDr. Chien isExperienced. Learn about Idiopathic Edema.
- Infant Epilepsy with Migrant Focal Crisis
- InsomniaDr. Chien isExperienced. Learn about Insomnia.
- JaundiceDr. Chien isExperienced. Learn about Jaundice.
- Kidney StonesDr. Chien isExperienced. Learn about Kidney Stones.
- Lactose IntoleranceDr. Chien isExperienced. Learn about Lactose Intolerance.
- Lafora DiseaseDr. Chien isExperienced. Learn about Lafora Disease.
- Low Blood PressureDr. Chien isExperienced. Learn about Low Blood Pressure.
- Low Potassium LevelDr. Chien isExperienced. Learn about Low Potassium Level.
- Low Sodium LevelDr. Chien isExperienced. Learn about Low Sodium Level.
- Lung AdenocarcinomaDr. Chien isExperienced. Learn about Lung Adenocarcinoma.
- Lung MetastasesDr. Chien isExperienced. Learn about Lung Metastases.
- LymphangitisDr. Chien isExperienced. Learn about Lymphangitis.
- Male Pseudohermaphroditism with Gynecomastia
- MalnutritionDr. Chien isExperienced. Learn about Malnutrition.
- Memory LossDr. Chien isExperienced. Learn about Memory Loss.
- Mitochondrial Complex V DeficiencyDr. Chien isExperienced. Learn about Mitochondrial Complex V Deficiency.
- Movement DisordersDr. Chien isExperienced. Learn about Movement Disorders.
- Muscle AtrophyDr. Chien isExperienced. Learn about Muscle Atrophy.
- Muscle Invasive Bladder CancerDr. Chien isExperienced. Learn about Muscle Invasive Bladder Cancer.
- Nasal FlaringDr. Chien isExperienced. Learn about Nasal Flaring.
- NecrosisDr. Chien isExperienced. Learn about Necrosis.
- Necrotizing EnterocolitisDr. Chien isExperienced. Learn about Necrotizing Enterocolitis.
- NephrosclerosisDr. Chien isExperienced. Learn about Nephrosclerosis.
- Non-Alcoholic Fatty Liver DiseaseDr. Chien isExperienced. Learn about Non-Alcoholic Fatty Liver Disease.
- Non-Muscle Invasive Bladder CancerDr. Chien isExperienced. Learn about Non-Muscle Invasive Bladder Cancer.
- Non-Small Cell Lung Cancer (NSCLC)Dr. Chien isExperienced. Learn about Non-Small Cell Lung Cancer (NSCLC).
- Obesity in ChildrenDr. Chien isExperienced. Learn about Obesity in Children.
- Orthostatic HypotensionDr. Chien isExperienced. Learn about Orthostatic Hypotension.
- OsteoarthritisDr. Chien isExperienced. Learn about Osteoarthritis.
- OsteomyelitisDr. Chien isExperienced. Learn about Osteomyelitis.
- Osteomyelitis in ChildrenDr. Chien isExperienced. Learn about Osteomyelitis in Children.
- Pacemaker ImplantationDr. Chien isExperienced. Learn about Pacemaker Implantation.
- Painful SwallowingDr. Chien isExperienced. Learn about Painful Swallowing.
- Parkinson's DiseaseDr. Chien isExperienced. Learn about Parkinson's Disease.
- Pediatric MyocarditisDr. Chien isExperienced. Learn about Pediatric Myocarditis.
- PericarditisDr. Chien isExperienced. Learn about Pericarditis.
- Peripheral NeuropathyDr. Chien isExperienced. Learn about Peripheral Neuropathy.
- PoliomyelitisDr. Chien isExperienced. Learn about Poliomyelitis.
- Progressive Familial Intrahepatic Cholestasis Type 1
- Progressive Familial Intrahepatic Cholestasis Type 2
- Progressive Familial Intrahepatic Cholestasis Type 3
- Progressive Myoclonic EpilepsyDr. Chien isExperienced. Learn about Progressive Myoclonic Epilepsy.
- Pseudomembranous ColitisDr. Chien isExperienced. Learn about Pseudomembranous Colitis.
- Pulmonary EdemaDr. Chien isExperienced. Learn about Pulmonary Edema.
- Renovascular HypertensionDr. Chien isExperienced. Learn about Renovascular Hypertension.
- Retroperitoneal InflammationDr. Chien isExperienced. Learn about Retroperitoneal Inflammation.
- RingwormDr. Chien isExperienced. Learn about Ringworm.
- SciaticaDr. Chien isExperienced. Learn about Sciatica.
- SinusitisDr. Chien isExperienced. Learn about Sinusitis.
- SitosterolemiaDr. Chien isExperienced. Learn about Sitosterolemia.
- Small Cell Lung Cancer (SCLC)Dr. Chien isExperienced. Learn about Small Cell Lung Cancer (SCLC).
- SpasticityDr. Chien isExperienced. Learn about Spasticity.
- Squamous Cell Lung CarcinomaDr. Chien isExperienced. Learn about Squamous Cell Lung Carcinoma.
- StrokeDr. Chien isExperienced. Learn about Stroke.
- Subdural HematomaDr. Chien isExperienced. Learn about Subdural Hematoma.
- Swallowing DifficultyDr. Chien isExperienced. Learn about Swallowing Difficulty.
- Syndrome of Inappropriate Antidiuretic Hormone Secretion (SIADH)
- Tennis ElbowDr. Chien isExperienced. Learn about Tennis Elbow.
- TenosynovitisDr. Chien isExperienced. Learn about Tenosynovitis.
- Testicular FailureDr. Chien isExperienced. Learn about Testicular Failure.
- ThalassemiaDr. Chien isExperienced. Learn about Thalassemia.
- ThrombocytopeniaDr. Chien isExperienced. Learn about Thrombocytopenia.
- TracheitisDr. Chien isExperienced. Learn about Tracheitis.
- Trichohepatoenteric SyndromeDr. Chien isExperienced. Learn about Trichohepatoenteric Syndrome.
- Type B Insulin Resistance SyndromeDr. Chien isExperienced. Learn about Type B Insulin Resistance Syndrome.
- Unverricht-Lundborg SyndromeDr. Chien isExperienced. Learn about Unverricht-Lundborg Syndrome.
- UreteroscopyDr. Chien isExperienced. Learn about Ureteroscopy.
- Urinary Tract Infection (UTI)Dr. Chien isExperienced. Learn about Urinary Tract Infection (UTI).
- Urinary Tract Infection in ChildrenDr. Chien isExperienced. Learn about Urinary Tract Infection in Children.
- VertebroplastyDr. Chien isExperienced. Learn about Vertebroplasty.
- VertigoDr. Chien isExperienced. Learn about Vertigo.
- VisceromegalyDr. Chien isExperienced. Learn about Visceromegaly.