What is John Leung's specialty?

John Leung (NPI 1447328711) is a Medicare-billing provider whose primary specialty is Gastroenterology in Boston, MA.

Where does John Leung practice?

John Leung practices in Boston, MA, based on the location reported in the CMS Medicare provider datasets for NPI 1447328711.

How much does Medicare pay John Leung?

John Leung (NPI 1447328711) received approximately $39K in total Medicare Part B payments, serving 136 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1447328711

John LeungM.D.

PRACTICEBOSTON FOOD ALLERGY CENTERSee all providers at this practice →

GastroenterologyBoston, MAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

181

Unique beneficiaries

—

Total services

1,046

Distinct HCPCS

Medicare payment

$29K

Peer benchmark

Total Medicare services vs. 483 Gastroenterology providers in MA — top quintile (cohort median 638).

PRESCRIBING · PART D · 2024

Total Rx claims

474

Beneficiaries

—

Total drug cost

$549K

Distinct drugs

Brand share

36.9%

Top prescribed drugs

Omeprazole56 claims

Dupilumab45 claims

Famotidine34 claims

Nortriptyline Hcl30 claims

Cromolyn Sodium29 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$154K

Payment records

292

By payment type

Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$117K

Travel and Lodging$15K

Consulting Fee$15K

Food and Beverage$7K

Education$34

Top paying entities

Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$117K

Travel and Lodging$15K

Consulting Fee$15K

Food and Beverage$7K

Education$34

REFERRAL NETWORK

Where John Leung's patients come from & go

Directional shared-patient flow from Medicare claims — who sends patients to this provider (inbound) and where this provider's patients go next (outbound). 6 inbound referrers · 18 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Shital Makim Diagnostic Radiology · Boston, MA	19	65
Hoon Ji Diagnostic Radiology · New York, NY	18	33
Quest Diagnostics Massachusetts Llc Clinical Laboratory · Marlborough, MA	17	58
HOMER, MARC	16	36
Robert Ward Diagnostic Radiology · Boston, MA	13	31
Masha Bilic Pathology · Boston, MA	11	24

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
TUFTS MEDICAL CENTER, INC.	145	889
Theodore Treibick Addiction Medicine · Burlington, MA	38	95
Eascare Llc Ambulance Service Provider · Weymouth, MA	19	65
Shital Makim Diagnostic Radiology · Boston, MA	18	64
Yvelisse Suarez Pathology · West Long Branch, NJ	16	33
Michael Kiernan Advanced Heart Failure and Transplant Cardiology · Boston, MA	16	44
BANKOFF, MARK	16	39
Jessica Kraeft Diagnostic Radiology · Sacramento, CA	16	33
PANDIAN, NATESA	15	57
Quest Diagnostics Massachusetts Llc Clinical Laboratory · Marlborough, MA	13	46
Hoon Ji Diagnostic Radiology · New York, NY	13	42
SOUTH COVE COMMUNITY HEALTH CENTER, INC.	12	43

Source: CMS Physician Shared Patient Patterns (30-day window, Medicare FFS). Direction = a beneficiary seen by the first provider, then the second, within 30 days; a proxy for referral, not a documented referral. Pairs with fewer than 11 shared beneficiaries are suppressed.

CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore

OIG/SAM exclusion screening, sanctions history

Healthparse Signals

Monitor this provider for changes — dated NPI change events