Steven Kysung Seung, MD, PHD
Radiation Oncology Physician · Portland, OR
Steven Kysung Seung, MD, PHD is a radiation oncology physician with a practice address in Portland, Oregon, and NPI 1396738431, issued on Aug 24, 2005. Check the license (Oregon MD21227, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Steven Kysung Seung
- Credential
- MD, PHD
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License number
- MD21227 OR
Self-reported in NPPES; status is on the state search - Practice location
- 4805 NE Glisan St, Portland, OR 97213
- Phone
- (503) 215-6029
- Enumerated
- Aug 24, 2005
- Record last updated
- Dec 5, 2023
- Fax
- (503) 215-6387
- Medicaid IDs
- 276693 OR
8228983 WA - Medicare enrollment
- Enrolled (PECOS I20051028000751); accepts Medicare assignment
- Medical or professional school
- University Of Chicago, Pritzker School Of Medicine, 1994
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest radiation oncology physician records → All 115 in Oregon → Look up another NPI →
Also registered at 4805 NE Glisan St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Bethany Adams, DNP, AGACNPGerontology Nurse Practitioner1053955047
- Elie Adwani, MDStudent in an Organized Health Care Education/Training Program1952262453
- Rehan Ahmad, MDColon & Rectal Surgery Physician1750457990
- Stephanie Ahmed, MDObstetrics & Gynecology Physician1447269170
- Shaghayegh Aliabadi, M.D.Surgery Physician1083785562
- Anna Apostolou-Keith, RD, LDNRegistered Dietitian1639838790
Verify Steven Kysung Seung in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD21227Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
1% more Medicare Part D claims than the average radiation oncology physician in 2024
135 Medicare Part D claims for 55 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D. 26 claims were for opioids.
Most prescribed
- Lidocaine Hcl Viscous16 claims
- Dexamethasone14 claims
- Ondansetron Odt14 claims
- Oxycodone Hcl12 claims
- Lorazepam11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 93.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $864.99
10 payments; by number, the most common kind was food and beverage; the largest payer was Elekta, Inc. The 3,275 providers of this specialty with any payment received $1,897.85 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- The Oregon Clinic, PCPortland, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Steven Kysung Seung among 115 radiation oncology physician records in Oregon
Steven Kysung Seung, MD, PHD is one of 115 radiation oncology physician records with a practice address in Oregon. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 77% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated1994 · median 2006 among the 85 with a school on file
- Record last updated2023 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0001X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Radiation Oncology Physician providers in Oregon
There are 115 radiation oncology physician records in Oregon.
All 115 in Oregon → Every provider in Portland → Radiation Oncology Physician nationwide →
The 8 radiation oncology physician records with the nearest ZIP codes
- Adam Avant, MDPortland, OR 972131700413788
- Stephen Bader, MDPortland, OR 972131790787422
- Roy Bliley, MDPortland, OR 972131407484314
- Marka Crittenden, M.D. PH.D.Portland, OR 972131619187143
- Christina Huang, MDPortland, OR 972131558947002
- Cymon Kersch, MDPortland, OR 972131023684735
- Eric Nesbit, M.D.Portland, OR 972131396134078
- Matthew Solhjem, MDPortland, OR 972131356334403
Common questions
What is Steven Kysung Seung, MD, PHD's NPI number?
Steven Kysung Seung, MD, PHD's National Provider Identifier (NPI) is 1396738431, issued on Aug 24, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Steven Kysung Seung, MD, PHD located?
The NPPES record lists a practice address at 4805 NE Glisan St, Portland, OR, 97213. Phone: (503) 215-6029. Providers update this record themselves, so call before visiting.
How can I verify Steven Kysung Seung, MD, PHD's license?
NPPES lists Oregon license number MD21227, as entered by the provider. Search the Oregon Medical Board at https://www.oregon.gov/OMB/Pages/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Steven Kysung Seung, MD, PHD prescribe under Medicare Part D?
In 2024, Steven Kysung Seung, MD, PHD had 135 Medicare Part D claims for 55 beneficiaries; the average among radiation oncology physician prescribers was 134. Part D covers Medicare prescriptions only.
What is Steven Kysung Seung, MD, PHD's MIPS final score?
The 2023 MIPS final score is 93.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.