What is Ralph Ermoian's specialty?

Ralph Ermoian (NPI 1588795140) is a Medicare-billing provider whose primary specialty is Radiation Oncology in Seattle, WA.

Where does Ralph Ermoian practice?

Ralph Ermoian practices in Seattle, WA, based on the location reported in the CMS Medicare provider datasets for NPI 1588795140.

How much does Medicare pay Ralph Ermoian?

Ralph Ermoian (NPI 1588795140) received approximately $24K in total Medicare Part B payments, serving 254 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1588795140

Ralph ErmoianMD

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Radiation OncologySeattle, WAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

237

Unique beneficiaries

—

Total services

566

Distinct HCPCS

Medicare payment

$14K

Peer benchmark

Total Medicare services vs. 137 Radiation Oncology providers in WA — bottom quintile (cohort median 1,376).

PRESCRIBING · PART D · 2024

No data available for this provider in 2024.

QUALITY · MIPS · 2024

Final MIPS score

93.8

Quality

74.6

Cost

0.0

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.79%

APM Entity

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where Ralph Ermoian'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). 12 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
SEATTLE PROTON CENTER, LLC	98	14,634
George Laramore Radiation Oncology · Seattle, WA	84	1,012
Smith Apisarnthanarax Radiation Oncology · Seattle, WA	83	925
UNIVERSITY OF WASHINGTON	65	424
Jay Liao Radiation Oncology · Seattle, WA	55	312
FRED HUTCHINSON CANCER CENTER	34	560
Alexander Adduci Diagnostic Radiology · Attleboro, MA	27	50
ROCKHILL, JASON	25	196
PATEL, SHILPEN	20	46
Sooah Kim Diagnostic Radiology · New York, NY	15	33
Puneet Bhargava Diagnostic Radiology · Seattle, WA	13	25
Neeraj Lalwani Diagnostic Radiology · Tacoma, WA	13	24

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