What is Catharine Keay's specialty?

Catharine Keay (NPI 1063624146) is a Medicare-billing provider whose primary specialty is Emergency Medicine in Everett, WA.

Where does Catharine Keay practice?

Catharine Keay practices in Everett, WA, based on the location reported in the CMS Medicare provider datasets for NPI 1063624146.

How much does Medicare pay Catharine Keay?

Catharine Keay (NPI 1063624146) received approximately $11K in total Medicare Part B payments, serving 80 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1063624146

Catharine KeayMD

Emergency MedicineEverett, WAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

117

Unique beneficiaries

—

Total services

117

Distinct HCPCS

Medicare payment

$9K

Peer benchmark

Total Medicare services vs. 919 Emergency Medicine providers in WA — bottom quintile (cohort median 319).

PRESCRIBING · PART D · 2024

Total Rx claims

Beneficiaries

—

Total drug cost

$15

Distinct drugs

Brand share

0.0%

Top prescribed drugs

Prednisone11 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (2)

CCN 500014

Hospital

CCN 501338

Hospital

REFERRAL NETWORK

Where Catharine Keay'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). 0 inbound referrers · 9 outbound destinations.

Receives referrals from

Inbound — who sends patients here

No inbound pairs above the suppression threshold.

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
PROVIDENCE HEALTH & SERVICES-WA	136	355
RURAL METRO OF GREATER SEATTLE INC	20	32
American Medical Response Ambulance Service Inc Ambulance Service Provider · Tukwila, WA	19	34
Barbara Blankenship Diagnostic Radiology · Walla Walla, WA	17	26
Mark Mayhle Diagnostic Radiology · Lynnwood, WA	13	25
LEVINE, ANDREW	13	18
Ying Wang Diagnostic Radiology · Lynnwood, WA	12	28
Scott Vanderheiden Diagnostic Radiology · Lynnwood, WA	11	23
David Atkins Diagnostic Radiology · Lynnwood, WA	11	15

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