Dr. Ralph Ermoian, MD
What this data tells you about Dr. Ermoian
Dr. Ralph Ermoian is a radiology - diagnostic specialist in Seattle, WA, with 19 years of NPI registration. Based on federal Medicare data, Dr. Ermoian performed 803 Medicare services in 2023. These records do not provide a deduplicated patient total.
The Data Coverage level for Dr. Ermoian is High — reflecting how much public federal data is available about this provider. Patients are encouraged to use this data as one of several factors when choosing a healthcare provider.
Medicare Practice Summary — 2023
Medicare Utilization ↗Top procedures by volume
Ranked by number of services performed for Medicare patients. Avg. submitted charge is what the provider billed; avg. Medicare payment is what CMS paid.
| Procedure | Volume | Avg. paid | Avg. submitted |
|---|---|---|---|
| Stereoscopic X-ray guidance for radiation therapy localization This procedure uses stereoscopic X-ray imaging to precisely locate the target area for radiation therapy delivery. |
633 | $18 | $64 |
| CT guidance for radiation therapy This procedure uses computed tomography imaging to guide the precise placement of radiation therapy fields. It ensures accurate positioning for targeted treatment delivery. |
100 | $37 | $141 |
| Calculation of radiation therapy dose | 30 | $29 | $102 |
| Design and construction of complex radiation treatment device This code covers the design and construction of a complex radiation treatment device. It does not specify the clinical purpose or conditions treated. |
26 | $53 | $191 |
| Radiation treatment planning, complex This procedure involves obtaining the necessary data to develop an optimal radiation treatment plan for three or more treatment areas, or any number of areas requiring special treatment. |
14 | $72 | $260 |
Geographic Context
0.0 mi
Data Sources
| Provider Registry | ✓ NPPES | NPPES snapshot; verify current record |
| Medicare Enrollment | ✓ PECOS | PECOS snapshot |
| Practice Data | ✓ Medicare Util. | Annual (CY lag) |
| Industry Payments | — No payments | N/A |
| Disciplinary History | — Not included | N/A |
This provider has data in 3 of 4 available federal datasets, with a Data Coverage level of High. This reflects how much public data is available about a provider. How we calculate this →
Summary
Dr. Ermoian is a mixed practice specialist, with moderate Medicare volume, with 19 years of NPI registration.
This summary is auto-generated from federal data, describing data availability and patterns. Read our methodology →
Frequently Asked Questions
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This page combines public CMS records with calculated summaries and explanatory procedure labels. These transformations are not verbatim federal records. Sources: NPPES ↗, Medicare Provider Utilization ↗, and PECOS. Publication is mandated by the Physician Payments Sunshine Act (§6002 ACA, 42 U.S.C. §1320a-7h) and the Freedom of Information Act.
This page is not medical advice, an endorsement, a recommendation, or a quality rating. Data Coverage reflects data completeness — how much federal information exists for this provider — not clinical performance, patient outcomes, or quality of care. Always verify information directly with the provider and consult a licensed clinician before making medical decisions.
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