PROVIDER PROFILE · NPI 1821104787

Marvin RyouM.D.

GastroenterologyBoston, MAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

371

Unique beneficiaries

—

Total services

408

Distinct HCPCS

Medicare payment

$51K

Peer benchmark

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

PRESCRIBING · PART D · 2024

No data available for this provider in 2024.

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$23K

Payment records

By payment type

Education$12K

Consulting Fee$8K

Food and Beverage$2K

Travel and Lodging$937

REFERRAL NETWORK

Where Marvin Ryou'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). 7 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Agoston Agoston Pathology · Boston, MA	19	42
Robert Daniel Odze Pathology · Boston, MA	18	37
Jennifer Uyeda Diagnostic Radiology · Boston, MA	14	23
Quest Diagnostics Massachusetts Llc Clinical Laboratory · Marlborough, MA	14	39
DOYLE, LEONA	13	29
Jeffrey Krane Pathology · Los Angeles, CA	11	30
Paul Shyn Diagnostic Radiology · Boston, MA	11	22

Refers patients to

Outbound — where patients go next

No outbound pairs above the suppression threshold.

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