National Provider Identifier Database

JOHN LEUNG, MD – NPI #1447328711
Gastroenterology

An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.


Contact Information

JOHN LEUNG, MD
65 HARRISON AVE STE 201
BOSTON, MA02111-1924
Phone: 617-804-6767
Fax: 877-726-8492
Website:
Specialty Taxonomy Code
* Gastroenterology 207RG0100X
Allergy & Immunology 207K00000X
Clinical & Laboratory Immunology 207KI0005X
Internal Medicine 207R00000X

* Indicates primary specialty

NPI Profile & details for JOHN LEUNG

NPI Number 1447328711
Credentials MD
Entity Individual
Enumeration date 12/02/2006
Last updated 07/28/2022 - About 4 years ago
Sole proprietor1 No
Identifiers
  • MA License #: 230907
Hospital affiliation n/a

1 A sole proprietor/sole proprietorship is an individual, and as such, is eligible for a single NPI number. The sole proprietor must apply for the NPI number using his or her own Social Security Number (SSN), not an Employer Identification Number (EIN) even if he/she has an EIN.

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