What is Mary Chou's specialty?

Mary Chou (NPI 1588623961) is a Medicare-billing provider whose primary specialty is Diagnostic Radiology in Boston, MA.

Where does Mary Chou practice?

Mary Chou practices in Boston, MA, based on the location reported in the CMS Medicare provider datasets for NPI 1588623961.

How much does Medicare pay Mary Chou?

Mary Chou (NPI 1588623961) received approximately $159K in total Medicare Part B payments, serving 2,279 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1588623961

Mary ChouM.D.

PRACTICEATRIUS HEALTH, INCSee all providers at this practice →

Diagnostic RadiologyBoston, MAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

2,421

Unique beneficiaries

—

Total services

8,834

Distinct HCPCS

Medicare payment

$137K

Peer benchmark

Total Medicare services vs. 1,146 Diagnostic Radiology providers in MA — top quintile (cohort median 2,596).

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 · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where Mary Chou'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). 5 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Quest Diagnostics Massachusetts Llc Clinical Laboratory · Marlborough, MA	58	94
SOUTH SHORE HOSPITAL INC.	27	48
CLANCY, JANE	25	28
Atrius Health, Inc. Clinical Laboratory · Needham, MA	20	21
Richard Blair Diagnostic Radiology · Boston, MA	11	11

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

Healthparse Signals

Monitor this provider for changes — dated NPI change events