Stephen Ou, M.D.
Emergency Medicine Physician · Seattle, WA
Stephen Ou, M.D. is an emergency medicine physician with a practice address in Seattle, Washington, and NPI 1801089230, issued on Aug 20, 2007. Check the license (Washington MD60285093, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Stephen Ou
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- MD60285093 WA
Self-reported in NPPES; status is on the state search - Practice location
- 1550 N 115TH St, Seattle, WA 98133
- Phone
- (206) 486-4848
- Enumerated
- Aug 20, 2007
- Record last updated
- May 16, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicaid ID
- 1801089230 WA
- Medicare enrollment
- Enrolled (PECOS I20120809000823); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,459 in Washington → Look up another NPI →
Also registered at 1550 N 115TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Stephen Ou in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD60285093Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
19% more Medicare Part D claims than the average emergency medicine physician in 2024
269 Medicare Part D claims for 170 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 51 claims were for opioids.
Most prescribed
- Ondansetron Odt36 claims
- Hydrocodone-Acetaminophen25 claims
- Sulfamethoxazole-Trimethoprim18 claims
- Prednisone17 claims
- Oxycodone Hcl13 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 MIPS final score for 2023 (Medicare payment program): 93.1 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- The Association OF University PhysiciansSeattle, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Stephen Ou among 1,459 emergency medicine physician records in Washington
Stephen Ou, M.D. is one of 1,459 emergency medicine physician records with a practice address in Washington. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 45% of them.
- NPI issued2007 · 45% of these records are older, 44% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2007 · median 2010 among the 851 with a school on file
- Record last updated2019 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in Washington
There are 1,459 emergency medicine physician records in Washington.
All 1,459 in Washington → Every provider in Seattle → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Katie Chirkova, MDSeattle, WA 981331659470573
- Warren Fisher, MDSeattle, WA 981331841343753
- Charles Hodge, M.D.Seattle, WA 981331760531222
- Robert Hook, M.D.Seattle, WA 981331518061696
- Gretchen Johnson, M.D.Seattle, WA 981331407936362
- William Johnston, M.D.Seattle, WA 981331245398551
- Jenyung Luu, M.D.Seattle, WA 981331588729305
- Jennifer Moe, M.D.Seattle, WA 981331205043098
Common questions
What is Stephen Ou, M.D.'s NPI number?
Stephen Ou, M.D.'s National Provider Identifier (NPI) is 1801089230, issued on Aug 20, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Stephen Ou, M.D. located?
The NPPES record lists a practice address at 1550 N 115TH St, Seattle, WA, 98133. Phone: (206) 486-4848. Providers update this record themselves, so call before visiting.
How can I verify Stephen Ou, M.D.'s license?
NPPES lists Washington license number MD60285093, as entered by the provider. Search the Washington Medical Commission at https://wahelms.my.site.com/s/license-search. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Stephen Ou, M.D. prescribe under Medicare Part D?
In 2024, Stephen Ou, M.D. had 269 Medicare Part D claims for 170 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Stephen Ou, M.D.'s MIPS final score?
The 2023 MIPS final score is 93.1 of 100. 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.