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Dr. John Leung, MD

Gastroenterology
4.3 (31)
Accepting new patients
19 years of experience

Offers telehealth

Overview of Dr. John Leung, MD

Dr. John Leung, MD is a Gastroenterology Specialist in Boston, MA. They specialize in Gastroenterology, has 19 years of experience, and is board certified in Allergy & Immunology. They graduated from UNIV OF MI MED SCH|University of Michigan Medical School and is affiliated with Tufts Medical Center.

Dr. Leung works at Boston Specialists in Boston, MA. They frequently treat conditions like Food Poisoning, All Types of Food Poisoning and Gastritis along with other conditions at varying frequencies. They are accepting new patients and accepts Aetna, Anthem and Blue Cross Blue Shield as well as other major insurance plans. Please call ahead to schedule an appointment and to confirm all accepted insurance plans.

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Dr. Leung's Office Locations

  1. 1
    Boston Food Allergy Center
    65 Harrison Ave Ste 201, Boston, MA 02111 Icon Directions Right Arrow Directions Phone Icon (617) 636-5000
    Monday
    9:00am - 5:00pm
    Tuesday
    8:00am - 5:00pm
    Wednesday
    9:00am - 5:00pm
    Thursday
    8:00am - 5:00pm
    Friday
    8:00am - 5:00pm
    Saturday
    8:00am - 12:00pm
  2. 2
    Gastroenterology
    800 Washington St, Boston, MA 02111 Icon Directions Right Arrow Directions Phone Icon (617) 636-5883

Hospital Affiliations
Admitting Hospitals

Admitting hospitals are where the provider is credentialed to see patients, perform procedures, and send patients for continuous care.

  • Tufts Medical Center

Experience & Treatment Frequency

NEW FEATURE

What is treatment frequency?

Our treatment frequency feature helps you understand howoften a provider performs or treats a specificprocedure/condition compared to other doctors. Providersrank in one of four frequency categories:

Very HighFrequency
HighFrequency
NormalFrequency
May Perform

Specific procedures/conditions that don’t haveenough data are indicated with “May Perform”. We encourageyou to contact the provider with questions about theirexperience.

Search for conditions or procedures.
Food Poisoning
All Types of Food Poisoning
Gastritis

Treatment frequency



Many providers have expertise treating multiple conditions or procedures. FindCare uses a variety of data sources to determine which conditions or procedures a provider treats and their level of experience.
Food Poisoning Chevron Icon
All Types of Food Poisoning Chevron Icon
Gastritis Chevron Icon
Esophagitis Chevron Icon
Food Allergy Chevron Icon
Irritable Bowel Syndrome Chevron Icon
Vaginitis and-or Vaginosis Chevron Icon
Abdominal Pain Chevron Icon
Allergic Conjunctivitis Chevron Icon
Allergic Rhinitis Chevron Icon
Allergy Testing Chevron Icon
Anemia Chevron Icon
  • View other providers who treat Anemia
Animal Allergies Chevron Icon
Asthma Chevron Icon
  • View other providers who treat Asthma
Atopic Dermatitis (Eczema) Chevron Icon
Barrett's Esophagus Chevron Icon
Benign Neoplasm of the Digestive System Chevron Icon
Blood Allergy Testing Chevron Icon
Constipation Chevron Icon
Contact Dermatitis Chevron Icon
COPD (Chronic Obstructive Pulmonary Disease) Chevron Icon
Dermatitis Chevron Icon
Diarrhea Chevron Icon
  • View other providers who treat Diarrhea
Diverticulitis, Intestinal Chevron Icon
Diverticulosis, Intestinal Chevron Icon
Drug Allergy Testing Chevron Icon
Duodenitis Chevron Icon
Dysphagia Chevron Icon
Eosinophilic Esophagitis Chevron Icon
Gas-Bloat Syndrome Chevron Icon
Gastroesophageal Reflux Disease (GERD) Chevron Icon
Gastrointestinal Malabsorption Chevron Icon
Heart Disease Chevron Icon
Heartburn Chevron Icon
Hemorrhoids Chevron Icon
Hives Chevron Icon
  • View other providers who treat Hives
Impedance Testing Chevron Icon
Itchy Skin Chevron Icon
Nausea Chevron Icon
  • View other providers who treat Nausea
Noninfectious Gastroenteritis and Colitis Chevron Icon
Patch Testing Chevron Icon
Reflux Esophagitis Chevron Icon
Sexually Transmitted Diseases (STDs) Chevron Icon
Shortness of Breath Chevron Icon
Tobacco Use Disorder Chevron Icon
Urinary Tract Infection (UTI) Chevron Icon
VAP Lipid Testing Chevron Icon
Wheezing Chevron Icon
  • View other providers who treat Wheezing
Wireless pH Testing Chevron Icon
Abdominal Disorders Chevron Icon
Abscess Chevron Icon
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Acidosis Chevron Icon
  • View other providers who treat Acidosis
Acne Chevron Icon
  • View other providers who treat Acne
Acute Pharyngitis Chevron Icon
Acute Sinusitis Chevron Icon
Acute Upper Respiratory Infection Chevron Icon
All Headaches (incl. Migraine) Chevron Icon
Allergic Reaction Chevron Icon
Allergies Chevron Icon
Allergy Shots Chevron Icon
Anal or Rectal Pain Chevron Icon
Anal Prolapse Chevron Icon
Anaphylactic Food Allergies Chevron Icon
Anaphylactic Peanut Allergy Chevron Icon
Anaphylaxis Chevron Icon
Angioedema Chevron Icon
Anxiety Chevron Icon
  • View other providers who treat Anxiety
Arthritis Chevron Icon
Arthritis of the Elbow Chevron Icon
Asymptomatic Post-Menopausal Status Chevron Icon
Autoimmune Diseases Chevron Icon
Back Pain Chevron Icon
Biliary Drainage Chevron Icon
Blood in Urine (Hematuria) Chevron Icon
Calcium Metabolism Disorders Chevron Icon
Canker Sore Chevron Icon
Celiac Disease Chevron Icon
Chest Pain Chevron Icon
Cholecystitis and Gallstones Chevron Icon
Chronic Pain Chevron Icon
Chronic Pharyngitis Chevron Icon
Chronic Sinusitis Chevron Icon
Cirrhosis Chevron Icon
Colorectal Cancer Chevron Icon
Combined Immunity Deficiency Chevron Icon
Common Variable Immune Deficiency (CVID) Chevron Icon
Cough Chevron Icon
  • View other providers who treat Cough
Crohn's Disease Chevron Icon
Dehydration Chevron Icon
Dermatitis Due to Food Chevron Icon
Dermatitis Due to Substances Taken Internally Chevron Icon
Desensitization Chevron Icon
Diabetes Chevron Icon
  • View other providers who treat Diabetes
Diabetes Mellitus, Secondary Chevron Icon
Diabetes Type 2 Chevron Icon
Diabetes With Renal Manifestations Chevron Icon
Diabetic Polyneuropathy Chevron Icon
Diaphragmatic and-or Hiatal Hernia Chevron Icon
Diverticulitis Chevron Icon
Diverticulosis Chevron Icon
Down Syndrome Chevron Icon
Duodenal Ulcer Chevron Icon
Dysentery Chevron Icon
Dyslipidemia Chevron Icon
Earwax Buildup Chevron Icon
Eczema and Contact Dermatitis Due to Cosmetics Chevron Icon
Eczema and Contact Dermatitis Due to Metals Chevron Icon
Enlarged Prostate (BPH) Chevron Icon
Enteritis Chevron Icon
Eosinophilia Chevron Icon
Esophageal Diseases Chevron Icon
Esophageal Diverticulum Chevron Icon
Esophageal Motility Disorders Chevron Icon
Esophageal Ulcer Chevron Icon
Esophageal Varices Chevron Icon
Eye Infections Chevron Icon
Familial Adenomatous Polyposis Chevron Icon
Fibromyalgia Chevron Icon
Gallstones Chevron Icon
Gastric Ulcer Chevron Icon
Gastroenterology Procedures Chevron Icon
Gastrointestinal Bleeding Chevron Icon
Gastrointestinal Diseases Chevron Icon
Gastrojejunal Ulcer Chevron Icon
Gastroparesis Chevron Icon
Gout Chevron Icon
  • View other providers who treat Gout
Headache Chevron Icon
  • View other providers who treat Headache
Hemochromatosis Chevron Icon
Hernia Chevron Icon
  • View other providers who treat Hernia
Hiatal Hernia Chevron Icon
HIV (Human Immunodeficiency Virus) Chevron Icon
Hypercalcemia Chevron Icon
Hyperlipidemia Chevron Icon
Hypertension Chevron Icon
Hypogammaglobulinemia Chevron Icon
Hypokalemia Chevron Icon
Hypothyroidism Chevron Icon
Ileus Chevron Icon
  • View other providers who treat Ileus
Immunodeficiency Syndromes Chevron Icon
Indigestion Chevron Icon
Inflammatory Bowel Disease Chevron Icon
Influenza (Flu) Chevron Icon
Insomnia Chevron Icon
  • View other providers who treat Insomnia
Intestinal Abscess Chevron Icon
Intestinal Obstruction Chevron Icon
Ischemic Colitis Chevron Icon
Joint Pain Chevron Icon
Lactose Intolerance Chevron Icon
Latex Allergy Chevron Icon
Leg and Foot Ulcers Chevron Icon
Limb Pain Chevron Icon
Lipid Disorders Chevron Icon
Liver Damage from Alcohol Chevron Icon
Low Back Pain Chevron Icon
Low Blood Oxygen Level Chevron Icon
Malaise and Fatigue Chevron Icon
Malnutrition Chevron Icon
Menstrual Disorders (incl. Dysmenorrhea) Chevron Icon
Mineral Metabolism Disorders Chevron Icon
Neoplasm of Gastrointestinal Tract Chevron Icon
Non-Alcoholic Fatty Liver Disease Chevron Icon
Nosebleed Chevron Icon
Obesity Chevron Icon
  • View other providers who treat Obesity
Osteoarthritis Chevron Icon
Osteoarthritis of Ankle and Foot Chevron Icon
Osteoarthritis of Shoulder Chevron Icon
Osteoporosis Chevron Icon
Overweight Chevron Icon
Patellofemoral Pain Syndrome or Knee Pain Chevron Icon
Pharyngitis Chevron Icon
Phosphorus Metabolism Disorders Chevron Icon
Pneumonia Chevron Icon
Pollen Allergy Chevron Icon
Polyneuropathy Chevron Icon
Polyuria Chevron Icon
  • View other providers who treat Polyuria
Potassium Deficiency Chevron Icon
Purpura Chevron Icon
  • View other providers who treat Purpura
Rash Chevron Icon
  • View other providers who treat Rash
Restless Leg Syndrome Chevron Icon
Salmonella Food Poisoning Chevron Icon
Sinus Tachycardia Chevron Icon
Sinusitis Chevron Icon
Skin Infections Chevron Icon
Sleep Apnea Chevron Icon
Stomach Diseases Chevron Icon
Stomal Ulcer Chevron Icon
Strep Throat Chevron Icon
Swine Flu Chevron Icon
Tension Headache Chevron Icon
Throat Pain Chevron Icon
Thyroid Goiter Chevron Icon
Trigeminal Neuralgia Chevron Icon
Ulcer Chevron Icon
  • View other providers who treat Ulcer
Ulcerative Colitis Chevron Icon
Unexplained Weight Loss Chevron Icon
Urinary Incontinence Chevron Icon
Urinary Stones Chevron Icon
Vascular Insufficiency of Intestines Chevron Icon
Venous Embolism and Thrombosis Chevron Icon
Viral Enteritis Chevron Icon
Vitamin B Deficiency Chevron Icon
Vitamin D Deficiency Chevron Icon
Vomiting Disorders Chevron Icon
Check your insurance
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    Please double-check when making an appointment.

    View All Accepted Carriers

    • Aetna
    • Anthem
    • Blue Cross and Blue Shield of Massachusetts
    • Blue Cross Blue Shield
    • CareFirst Blue Cross Blue Shield
    • CeltiCare Health
    • Cigna
    • Commonwealth Care
    • Coventry Health Care
    • Fallon Community Health Plan
    • First Health
    • Harvard Pilgrim Health Care
    • Health Net
    • Humana
    • Medicare
    • MultiPlan
    • Neighborhood Health Plan
    • Tufts Health Plan
    • UniCare
    • UnitedHealthCare

    * Please verify this information when scheduling an appointment.

    Ratings & Reviews
    Reviews are displayed in date order and collected from patients who have agreed to reporting accurate and fair reviews. Providers with no reviews may have a new FindCare profile, or no submitted reviews on FindCare yet.

    Learn more about how FindCare's ratings and reviews work

    4.3
    Average provider rating
    Based on 31 ratings
    Patient Ratings (31)
    5 Star
    (25)
    4 Star
    (0)
    3 Star
    (0)
    2 Star
    (3)
    1 Star
    (3)
    Leave a review

    How was your appointment with Dr. Leung?

    Aug 09, 2021
    Dr Leung is an excellent physician
    — Aug 09, 2021
    Read more reviews on Healthgrades
    Photo: Dr. John Leung, MD
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    Dr. Leung's Office & Staff

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    • Level of trust in provider's decisions
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    About Dr. John Leung, MD

    Specialties
    • Gastroenterology
    Specialties
    Years of Experience
    • 19 years of experience
    Years of Experience
    Years of experience represents how long a provider has been practicing in their field since graduating from medical school. Not all providers will have this information available.

    Languages Spoken
    • English, Cantonese, Chinese and Spanish
    Languages Spoken
    NPI Number
    • 1447328711
    NPI Number
    A National Provider Identifier (NPI) is a unique 10-digit identifier issued by the government to healthcare providers.

    Education & Certifications

    Fellowship
    • Massachusetts General Hospital, Harvard Medical School|Tufts Medical Center
    Fellowship
    Residency
    • UNIVERSITY OF IOWA HOSPITALS AND CLINICS
    Residency
    Internship
    • UNIVERSITY OF IOWA HOSPITALS AND CLINICS
    Internship
    Medical Education
    • UNIV OF MI MED SCH|University of Michigan Medical School
    Medical Education
    Board Certifications
    • Allergy & Immunology
    Board Certifications
    What’s a board certification and why is it important that my provider has one?

    A board certification represents a provider’s dedication to ongoing training in one or more specialties, including the completion of intensive exams. While not all specialties have board certifications, if your provider does have one they’ve taken the extra step to master their specialty and to keep up with the latest advancements in their field.

    Frequently Asked Questions

    Dr. John Leung, MD is accepting new patients on Healthline FindCare. You can check to see if Dr. Leung is offering online scheduling or call the provider’s office for more information.

    Dr. Leung has an average wait time of 31 – 45 minutes at their office(s).

    Dr. Leung has indicated that they do offer telehealth services. Please call the provider’s office at for more information.

    Dr. Leung has seen patients for Food Poisoning, All Types of Food Poisoning and Gastritis, and more. You can see other conditions treated by Dr. Leung on their profile. Please call the provider’s office to confirm all visit reasons.

    Dr. Leung speaks Cantonese, Chinese and Spanish.

    31 patients have reviewed Dr. Leung. The overall rating for this provider is 4.3. You can read verified reviews and ratings and leave your own review based on your experience with Dr. Leung.

    Whether a person prefers to schedule an appointment online or over the phone with Dr. Leung, there are benefits to both methods. A person calling to schedule an with Dr. Leung appointment can ask questions about the practice, provider availability, conditions treated, procedures performed, and if their insurance carrier is accepted. While online scheduling is quicker, easier, allows one to view a wide range of appointment times, and may provide the ability to sync with a personal calendar.

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