Doctor profile · Federal record
Dr. Ralph Ermoian, MD
Radiation Oncology Physician (CMS: Radiation Oncology) · Seattle, WA
- NPI 1588795140
- Accepts Medicare
- MIPS 87.0 / 100 · 2023
- 23 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1959 Ne Pacific St
Seattle, WA 981956043
(206) 598-4100
fax (206) 598-3786 - Mailing address
-
Po Box 50095
Seattle, WA 981455095
Credentials & registration
- NPI registered
- March 2007 — 19 yrs on file
- Profile last updated
- May 31, 2011
- Year of graduation
- 2003 — 23 yrs since
- Specialty taxonomy
- 2085R0001X — NUCC code
- State license (1)
- Washington #MD60041447
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1588795140. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
803
Distinct HCPCS
5
Medicare allowed
$22,850
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
G6002 |
Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy | 633 | 207 | $22 | |
77014 |
Ct guidance for insertion of radiation therapy fields | 100 | 47 | $46 | |
77300 |
Calculation of radiation therapy dose | 30 | 12 | $36 | |
77334 |
Design and construction of complex radiation treatment device | 26 | 19 | $66 | |
77290 |
Obtaining data needed to develop the optimal radiation treatment, 3 or more treatment areas or any number of treatment areas where special treatment is involved | 14 | 14 | $90 |
In context: peer comparison
Among 27 peers in this city , average services per provider: 74. This provider delivers 11× the peer median.Hospital affiliations
Frequently asked questions
What is Dr. Ralph Ermoian's medical specialty?
Dr. Ralph Ermoian practices Radiation Oncology Physician in Seattle, WA.
Where does Dr. Ralph Ermoian practice?
Dr. Ralph Ermoian practices at 1959 Ne Pacific St, Seattle, WA 981956043. Office phone: 2065984100.
What is Dr. Ralph Ermoian's NPI?
Dr. Ralph Ermoian's National Provider Identifier (NPI) is 1588795140, issued by NPPES.
Does Dr. Ralph Ermoian accept Medicare assignment?
Yes. Dr. Ralph Ermoian accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ralph Ermoian commonly perform?
Top Medicare-reported procedures in 2023: Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy (HCPCS G6002); Ct guidance for insertion of radiation therapy fields (HCPCS 77014); Calculation of radiation therapy dose (HCPCS 77300). Source: CMS Medicare Physician & Other Practitioners file.