1. Home
  2. Directory
  3. Massachusetts
  4. Boston
  5. Internal Medicine
  6. NPI Profile

DR. JOHN LEUNG M.D.
NPI 1447328711
Internal Medicine - Gastroenterology in Boston, MA

Active since December 02, 2006PECOS EnrolledAccepts Medicare Assignment
65 HARRISON AVE STE 201, BOSTON, MA 02111(617) 804-6767(877) 726-8492 Get Directions Write a Review

NPPES record last updated: July 28, 2022. Verified against the NPPES registry weekly; last sync: August 30, 2026.

Record update history: Jul 28, 2022, Jul 18, 2022, Jul 15, 2022 (3 updates tracked since 2022).

About Dr. John Leung M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. JOHN LEUNG M.D. (NPI 1447328711) is an individual gastroenterology provider in Boston, Massachusetts, licensed in Massachusetts (230907) and active in the NPI registry since December 2006. He is enrolled in Medicare PECOS, is affiliated with Beth Israel Deaconess Hospital - Needham, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1447328711
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameDR. JOHN LEUNGCredential: M.D.
Location Address65 HARRISON AVE STE 201Boston, MA 02111-1924
Mailing Address1 Nassau St Unit 1906Boston, MA 02111-1587 · (617) 804-6767 · Fax (877) 726-8492
Phone(617) 804-6767
Fax(877) 726-8492
Sole ProprietorNo
Medical School CMSUniversity Of Michigan Medical SchoolGraduated 2004
Enumeration DateDecember 2, 2006
Last NPPES UpdateJuly 28, 20223 updates tracked since enumeration
NPPES CertifiedJuly 28, 2022
✔ NPI 1447328711 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in MA · 230907
Definition
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.
Also ListedAllergy & ImmunologyTaxonomy 207K00000X · License 230907 (MA)
Also ListedAllergy & Immunology · Clinical & Laboratory ImmunologyTaxonomy 207KI0005X · License 230907 (MA)
Also ListedInternal MedicineTaxonomy 207R00000X · License 230907 (MA)
65 HARRISON AVE STE 201, Boston, MA 02111
Open in Google Maps ↗

Secondary Practice Locations 2

Location 11 Nassau St Unit 1906Boston, MA 02111-1587 · Phone (617) 804-6767 · Fax (877) 726-8492
Location 2800 Washington Street, Box 1013Boston, MA 02111-1542 · Phone (734) 846-4910

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. John Leung M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3779585468
PECOS Enrollment IDI20100727000640
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Test for allergy using allergenic extract 95004
An allergy test with allergenic extract is a diagnostic method to identify substances causing allergic reactions. Small amounts of common allergens are introduced to your body, usually through skin pricks or blood tests. Your body's response helps determine your allergies.
753 services14 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
173 services77 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
69 services69 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
51 services21 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Beth Israel Deaconess Hospital - Needham

Acute Care Hospitals · Needham, MA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220083
Location148 Chestnut StreetNeedham, MA 02494 · Norfolk County
Emergency services

Tufts Medical Center

Acute Care Hospitals · Boston, MA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220116
Location800 Washington StreetBoston, MA 02111 · Suffolk County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02111 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$144.11 typical visit price
range $63.72 – $189.86
Typical copayment $36.02 (range $15.93 – $47.46)
Most-billed visit code 99204
Established Patient
$111.18 typical visit price
range $21.07 – $155.29
Typical copayment $27.79 (range $5.26 – $38.82)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 4

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

BOSTON SPECIALISTS - STEWARDS NETWORK LLC
Internal Medicine (Gastroenterology)
65 HARRISON AVE STE 201
BOSTON, MA 02111
Suffolk County (734) 846-4910
BOSTON FOOD ALLERGY CENTER LLC
Internal Medicine (Gastroenterology)
65 HARRISON AVE STE 201
BOSTON, MA 02111
Suffolk County (617) 636-8858
BOSTON FOOD ALLERGY CENTER
Allergy & Immunology
65 HARRISON AVE STE 201
BOSTON, MA 02111
Suffolk County (617) 804-6767
BOSTON SPECIALISTS - NWH LLC
Allergy & Immunology
65 HARRISON AVE STE 201
BOSTON, MA 02111
Suffolk County (617) 804-6767

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is John Leung's NPI number?

The NPI number for John Leung is 1447328711. It was assigned to this individual provider in the NPPES registry on December 2, 2006.

Where is John Leung located?

John Leung practices at 65 Harrison Ave Ste 201, Boston, MA 02111. The listed phone number is (617) 804-6767.

What is John Leung's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is John Leung enrolled in Medicare?

Yes. John Leung is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does John Leung accept?

Health plans from Anthem Blue Cross and Blue Shield list John Leung as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is John Leung affiliated with any hospitals?

According to CMS data, John Leung is affiliated with Beth Israel Deaconess Hospital - Needham and Tufts Medical Center.

When was this NPI record last updated?

The NPPES record for John Leung was last updated on July 28, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.