Dr. John Leung, MD
Allergy & Immunology ·
Male ·
Age 40
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Dr. John Leung, MD is an allergy & immunology specialist in Boston, MA and has been practicing for 5 years. He graduated from University Of Michigan Medical School in 2004 and specializes in allergy & immunology, gastroenterology, and more.Read his story
Insurance Accepted
- Aetna
- Blue Cross Blue Shield of Massachusetts
- CeltiCare Health
- Cigna
- Commonwealth Care
- Fallon Community Health Plan
- Harvard Pilgrim Health Care
- Health Net
- Humana
- + 4 More
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Learn about Dr. Leung
Be confident in your decisions by checking out your provider's top areas of care, education, patient reviews and more. Learn about finding the right doctor for you.
Top Care Areas
See how frequently Dr. Leung performs your care needs compared to other doctors.
Food Poisoning
very high
more than 99% of peers
All Types of Food Poisoning
very high
more than 97% of peers
Gastrointestinal Malabsorption
very high
more than 95% of peers
Dr. Leung's percentages are based on the rate of treatment compared to peers nationwide from insurance data. Learn more info about our data and this Top Care Areas component.
Dr. Leung's bio
This content was provided by Dr. Leung "Dr. John Leung is a kind and trusted gastroenterologist, immunologist and allergist treating patients living in Boston, MA. Dr. Leung is an alumnus of the University of Michigan, where he earned his medical degree. He completed both his internship and residency in internal medicine at the University of Iowa and a fellowship in gastroenterology at Tufts Medical Center. He continued his training by finishing another fellowship in allergy and immunology at Massachusetts General Hospital. Dr. Leung is affiliated with Tufts Medical Center in Boston, MA. He is the first US-trained physician triple board-certified in allergy and immunology, internal medicine, and gastroenterology. He is the founding physician of Boston Food Allergy Center at Tufts Medical Center and the co-director of the Pediatric Food Allergy center at Floating Hospital for Children. Dr. Leung is an active member of the Phi Kappa Phi Honor Society, Golden Key National Honor Society, American College of Physicians, American Association of Immunologists, and American College of Gastroenterology. He sees patients for gastroenterology consultations as well as other common and specialized reasons. Dr. Leung's dedication to serving others has earned him several honors and awards. He is committed to helping his patients enjoy a healthier lifestyle. Dr. Leung understands the fears and sensitivities his patients face, and he works hard to help his patients overcome their health challenges."
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Care Philosophy
This content was provided by Dr. Leung "We assist new patients to obtain outside medical records, and Dr. Leung carefully reviews these documents prior to you or your child's visit. Upon reviewing your clinical history, physical exam, and previous laboratory, histological, and endoscopic data, we confirm a diagnosis and provide you with a customized therapy plan."
3 Specialties
- Allergy & Immunology
- Gastroenterology
- Internal Medicine
3 Board Certifications
- Allergy & ImmunologyAccredited by: American Board of Allergy & Immunology*
- GastroenterologyAccredited by: American Board of Internal Medicine*
- Internal MedicineAccredited by: American Board of Internal Medicine*
107 Conditions Treated
- Abdominal Disorders
- Abdominal Pain
- Abscess
- Acute Pharyngitis
- All Types of Food Poisoning
- Allergic Reaction
- Allergic Rhinitis
- Allergies
- Anal or Rectal Pain
- Anal Prolapse
- Anaphylactic Food Allergies
- Anaphylactic Peanut Allergy
- Anaphylaxis
- Anemia
- Angioedema
- Animal Allergies
- Asthma
- Atopic Dermatitis (Eczema)
- Autoimmune Diseases
- Barrett's Esophagus
- Benign Neoplasm of the Digestive System
- Celiac Disease
- Cholecystitis and Gallstones
- Cholelithiasis
- Chronic Pharyngitis
- Chronic Sinusitis
- Cirrhosis
- Colorectal Cancer
- Common Variable Immune Deficiency (CVID)
- Constipation
- COPD (Chronic Obstructive Pulmonary Disease)
- Crohn's Disease
- Dehydration
- Dermatitis
- Dermatitis Due to Food
- Dermatitis Due to Substances Taken Internally
- Diaphragmatic and-or Hiatal Hernia
- Diarrhea
- Diverticulitis, Intestinal
- Diverticulosis, Intestinal
- Duodenal Ulcer
- Duodenitis
- Dysentery
- Dysphagia
- Eczema and Contact Dermatitis Due to Cosmetics
- Eczema and Contact Dermatitis Due to Metals
- Enteritis
- Eosinophilia
- Eosinophilic Esophagitis
- Esophageal Achalasia and Cardiospasm
- Esophageal Cancer
- Esophageal Diseases
- Esophageal Diverticulum
- Esophageal Ulcer
- Esophageal Varices
- Esophagitis
- Eye Infections
- Food Poisoning
- Gas-Bloat Syndrome
- Gastric Ulcer
- Gastritis
- Gastroesophageal Reflux Disease (GERD)
- Gastrointestinal Bleeding
- Gastrointestinal Diseases
- Gastrointestinal Malabsorption
- Gastroparesis
- Heartburn
- Hemochromatosis
- Hemorrhoids
- Hepatopulmonary Syndrome
- Hepatorenal Syndrome
- Hernia
- Hives
- Hypogammaglobulinemia
- IgA Deficiency
- Ileus
- Immunodeficiency Syndromes
- Indigestion
- Inflammatory Bowel Disease
- Intestinal Abscess
- Intestinal Ischemia
- Intestinal Obstruction
- Irritable Bowel Syndrome
- Itchy Skin
- Lactose Intolerance
- Latex Allergy
- Liver Damage from Alcohol
- Malnutrition
- Nausea
- Neoplasm of Gastrointestinal Tract
- Non-Alcoholic Fatty Liver Disease
- Noninfectious Gastroenteritis and Colitis
- Penicillin Allergy
- Pollen Allergy
- Postnasal Drip
- Rash
- Reflux Esophagitis
- Salmonella Food Poisoning
- Sinusitis
- Skin Infections
- Stomach Diseases
- Stomal Ulcer
- Ulcer
- Ulcerative Colitis
- Unexplained Weight Loss
- Viral Enteritis
- Vomiting Disorders
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17 Procedures
- Allergy Shots
- Allergy Skin Testing
- Allergy Testing
- Allergy Treatment
- Anoscopy
- Bile Duct Procedure
- Biliary Drainage
- Capsule Endoscopy
- Colonoscopy
- Colonoscopy, Proctosigmoidoscopy, and Sigmoidoscopy
- Desensitization
- Drug or Food Challenge
- Endoscopy (Esophagus, Stomach, Small Intestine)
- ERCP (Endoscopic Retrograde Cholangiopancreatography)
- Gastroenterology Procedures
- Hemorrhoidectomy or Excision of Anal Tags
- Patch Testing
Background Check
0 Malpractice Claims
No malpractice history found for Massachusetts.
0 Sanctions
No sanctions history found for the years that Healthgrades collects data.
0 Board Actions
No board actions found for the years that Healthgrades collects data.
Education
- University Of Michigan / Ann ArborUndergraduate School | Graduated 1999
- University Of Michigan Medical SchoolMedical School | Graduated 2004
- University Of Iowa Hospitals and ClinicsInternship Hospital | Completed 2005
- University Of Iowa Hospitals and ClinicsResidency Hospital | Completed 2007
- Massachusetts General Hospital, Harvard Medical SchoolFellowship Hospital | Completed 2013
- Tufts Medical CenterFellowship Hospital | Completed 2010
Awards & Recognition
Awards & Honors
- Healthgrades Honor Roll
Media & Publications
Dr. Leung has no media or publications listed.
Languages Spoken
- English
- Chinese, Cantonese
- Spanish
Memberships & Professional Affiliations
Dr. Leung does not have any memberships or affiliations listed. If you are Dr. Leung and would like to add memberships or affiliations, please update your profile.
Dr. Leung's Reviews
Likelihood to recommend Dr. Leung
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Average Wait Time
- 10 – 15 minutes
Dr. Leung's Performance
Office & Staff Performance
What People Say About Dr. John Leung, MD
ReplyFlag Comment
Dr. Leung was very experienced and sure of himself. His confidence and attentiveness made me feel heard and reassured me that I was in good hands. He got to know me as a person and I got the sense he cared. Even when there is no action to be taken, he finds the time to stay and chat for a while!
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3David in Everett, MA – Jul 21, 2017
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I did my immigration medical exam here. The visit itself cost $180 and does NOT include any of the required lab tests. That's just the amount the doctor charges to fill in the form. I have already paid over $400 out of pocket, and just got another bill from my insurance company claiming that I owe...Read More
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2Cambridge, MA – Apr 14, 2017
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Fantastic! He was prompt, helpful and incredibly knowledgable. He shared information at our level, not way over our heads and not too dumbed down. We were able to get a quick appointment which was incredibly helpful AND he is open on Saturday!
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7Kate in Billerica, MA – Mar 20, 2016
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Next Day
Evening
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Dr. Leung accepts 13 insurance carriers
- Aetna
- Blue Cross Blue Shield of Massachusetts
- CeltiCare Health
- Cigna
- Commonwealth Care
- Fallon Community Health Plan
- Harvard Pilgrim Health Care
- Health Net
- Humana
- Neighborhood Health Plan
- Tufts Health PlanTufts Health Plans
- UniCare
- UnitedHealthCareUnited Healthcare
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*Please verify this information when scheduling an appointment.