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  • Internal Medicine
  • 56 years of experience
  • Advocate Medical Group Primary Care 27750 W Il Route 22 Ste 240, Barrington, IL 60010
  • (847) 382-6633

Brief Intro

Dr. Leong graduated from the Yong Loo Lin School of Medicine National University of Singapore in 1969. He works in Barrington, IL and 1 other location and specializes in Internal Medicine. Dr. Leong is affiliated with Advocate Good Shepherd Hospital.

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Education Background

RESIDENCY

Mount Sinai Hospital

MEDICAL SCHOOL

Yong Loo Lin School Of Medicine National University Of Singapore - 1969

Languages Spoken

  • Chinese
  • English

Location & Hours

  • Advocate Medical Group
  • 27750 W Il Route 22 Ste 240, Barrington, IL 60010
  • Mon:8:00 am - 5:00 pm
    Tue:8:00 am - 5:00 pm
    Wed:8:00 am - 5:00 pm
    Thu:8:00 am - 5:00 pm
    Fri:8:00 am - 5:00 pm
    Sat:Closed
    Sun:Closed

Specialties Treated

  • Internal Medicine

Conditions Addressed

  • Endocarditis
  • Candidiasis
  • Esophagitis
  • Systemic Lupus Erythematosus
  • Pneumonia
  • Malignant Neoplasm of Female Breast
  • Herpes Zoster
  • Uterine Leiomyoma
  • Atherosclerosis
  • Cholelethiasis or Cholecystitis
  • Inguinal Hernia
  • Macular Degeneration
  • Eczema
  • Appendicitis
  • Cardiac Arrhythmia
  • Cataract
  • Hearing Loss
  • Hypothyroidism
  • Pulmonary Embolism
  • Transient Cerebral Ischemia
  • Meningitis
  • Mitral Valvular Disease
  • Acute Bronchitis
  • Urinary Tract Infection (UTI)
  • Phlebitis and Thrombophlebitis
  • Ankylosing Spondylitis (AS)
  • Paroxysmal Supraventricular Tachycardia (PSVT)
  • Intracranial Injury
  • Spinal Stenosis
  • Emphysema
  • Bell's Palsy
  • Gastritis and Duodenitis
  • Benign Prostatic Hypertrophy (BPH)
  • Gastroesophageal Reflux Disease (GERD)
  • Calculus of the Urinary System
  • Lateral Epicondylitis
  • Internal Derangement of Knee
  • Restless Leg Syndrome
  • Plantar Warts
  • Herpes Genitalis
  • Acute Renal Failure
  • Epilepsy
  • Peptic Ulcer Disease
  • Sciatica
  • Acute Myocardial Infarction (AMI)
  • Metabolic Syndrome
  • Polycystic Ovarian Syndrome (PCOS)
  • Depressive Disorders
  • Infectious Liver Disease
  • Bipolar Disorder
  • Osteoarthritis
  • Cardiomyopathy
  • Ventral Hernia
  • Hemolytic Anemia
  • Congenital Anomalies of the Heart
  • Acute Sinusitis
  • Rosacea
  • Bacterial Pneumonia
  • Diverticulitis
  • Candidiasis of Vulva and Vagina
  • Acute Pancreatitis
  • Anxiety Phobic Disorders
  • Bronchial Asthma
  • Constipation
  • Burns
  • Skin and Subcutaneous Infections
  • Glaucoma
  • Abnormal Vaginal Bleeding
  • Acute Pharyngitis
  • Plantar Fasciitis
  • Benign Polyps of the Colon
  • Chronic Fatigue Syndrome
  • Gastrointestinal Hemorrhage
  • Rheumatoid Arthritis
  • Urinary Incontinence
  • Nephrotic Syndrome
  • Obstructive Sleep Apnea
  • Heart Failure
  • Erectile Dysfunction (ED)
  • Fractures, Dislocations, Derangement, and Sprains
  • Chronic Bronchitis
  • Diabetes Mellitus (DM)
  • Disorders of Lipoid Metabolism
  • Hypertension (HTN)
  • Acute Upper Respiratory Tract Infections
  • Anemia
  • Atrial Fibrillation and Atrial Flutter
  • Vitamin D Deficiency
  • Chronic Renal Disease
  • Acne
  • Ischemic Heart Disease
  • Obesity
  • Benign Paroxysmal Positional Vertigo
  • Carpal Tunnel Syndrome (CTS)
  • Contact Dermatitis
  • Irritable Bowel Syndrome (IBS)
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Procedures Performed

  • Acupuncture
  • Nutrition Therapy
  • Arthrocentesis
  • Acupuncture
  • Occupational Therapy Evaluation
  • Cardiac Stress Test
  • Inner Ear Tests
  • Venipuncture
  • Wound Care
  • Blood transfusion
  • Physical Therapy
  • Echocardiogram
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Insurance Accepted

* Insurance information may change frequently. Please verify directly with the provider (doctor/clinic).

  • UnitedHealthcare
  • AARP
  • Medicaid
  • Cigna-HealthSpring
  • Medicare
  • Aetna
  • Healthlink
  • Aetna Better Health
  • Mutual of Omaha
  • Nippon Life Benefits
  • Humana
  • Devoted Health
  • Magellan Health
  • Network Health Plan
  • State Farm
  • Blue Cross Blue Shield
  • Meritain Health
  • Blue Cross Blue Shield of Illinois
  • Blue Cross Blue Shield of Arizona
  • Blue Shield of California
  • GEHA
  • Tricare
  • Golden Rule
  • Cigna
  • First Health (Coventry Health Care)
  • CHAMPVA
  • Meridian Health Plan
  • HealthPartners
  • All Savers Insurance
  • Wellcare
  • Ambetter
  • Advocate Health Care
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  • Cancer 35
  • Cardiology, Heart & Vascular Surgery 35
  • Orthopedics 65
  • Neurology & Neurosurgery 48
  • Gastroenterology & GI Surgery 61
  • Pulmonology & Lung Surgery 65
  • Diabetes & Endocrinology 32
  • Children's Hospital 13
  • Urology 69
  • Psychiatry 64
  • Geriatrics 69
  • Rehabilitation 37
  • Obsterics & Gynecology 15
  • Ophthalmology 3
  • Ear, Nose & Throat 5
  • Rheumatology 2
  • Long Term Care 6
  • Maternity Care (Uncomplicated Pregnancy) 30