PROVIDER PROFILE · NPI 1245463934

Karen WallaceMD

Diagnostic RadiologyCambridge, MAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

Unique beneficiaries

—

Total services

Distinct HCPCS

Medicare payment

$3K

Peer benchmark

Total Medicare services vs. 1,146 Diagnostic Radiology providers in MA — bottom 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 · 2024

No data available for this provider in 2024.

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (1)

CCN 050604

Hospital

REFERRAL NETWORK

Where Karen Wallace'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). 1 inbound referrers · 4 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
KAISER FOUNDATION HOSPITALS	54	97

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
Rural-Metro Of California Inc Ambulance Service Provider · San Jose, CA	24	40
KAISER FOUNDATION HOSPITALS	15	30
Ashok Krishnaswami Cardiology · San Jose, CA	11	17
David Madwed Diagnostic Radiology · San Jose, CA	11	23

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