STEVEN KYSUNG SEUNG (MD, PHD) – Radiation Oncology Physician, NPI 1396738431
Radiation Oncology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
111 RADIATION ONCOLOGY in OR
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Provider Addresses for STEVEN KYSUNG SEUNG (MD, PHD)
541 NE 20TH AVE STE 225
PORTLAND, OR 972322895
Phone: (503) 963-2801
Fax: (503) 963-2825
Type: Mailing
Providence Portland Medical Center, 4805, Northeast Glisan Street, North Tabor, Portland, Metro, Multnomah County, Oregon, 97213, United States
GARDEN LEVEL
PORTLAND, OR 972132933
Phone: (503) 215-6029
Fax: (503) 215-6387
Type: Location
Cascadia Behavioral Healthcare Administrative Office, 847, Northeast 19th Avenue, Kerns, Portland, Metro, Multnomah County, Oregon, 97232, United States
SUITE 300
PORTLAND, OR 972322684
Phone: (503) 963-2801
Fax: (503) 963-2825
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 25 Open Payments records for all available years, with a total value of $2,926.
Total Amount is formed as General ($2,926) + Research ($0) + Ownership ($0) = $2,926.
Last reported payment date: 2024-12-04 • Largest payer in this snapshot: Elekta, Inc. ($1,321).
Total Amount
$2,926
General + Research + Ownership
Payments
25
Total payment records
General Amount
$2,926
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-04
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Elekta, Inc. | $1,321 |
| RefleXion Medical, Inc. | $608 |
| Siemens Medical Solutions USA, Inc. | $511 |
| Brainlab, Inc. | $297 |
| Elekta LTD | $112 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2005-10-28
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20051028000751 | I | Radiation Oncology | OR | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 77014 | Ct guidance for insertion of radiation therapy fields | 315 | 98 | $0 |
| 77300 | Calculation of radiation therapy dose | 73 | 32 | $0 |
| 77427 | Radiation treatment management, 5 treatment sessions | 50 | 23 | $0 |
| 77334 | Design and construction of complex radiation treatment device | 46 | 27 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 39 | 32 | $0 |
Insurance plans in this area (ZIP 97232)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| Pulmonary Disease | OR | |
| - | OR | |
| O T O L A R Y N G O L O G Y | OR | |
| Internal Medicine, Gastroenterology | OR | |
| Gastroenterology, Internal Medicine | OR | |
| - | OR | |
| - | OR | |
| Qualified Audiologist | OR | |
| Physician Assistant | OR | |
| N E U R O S U R G E R Y | OR |
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