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DR. STEPHEN OU M.D.
NPI 1801089230
Emergency Medicine in Seattle, WA

Active since August 20, 2007PECOS EnrolledAccepts Medicare Assignment
93.09/100
CMS Quality Rating
1550 N 115TH ST, SEATTLE, WA 98133(206) 486-4848 Get Directions Write a Review

NPPES record last updated: May 16, 2019. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Stephen Ou M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. STEPHEN OU M.D. (NPI 1801089230) is an individual emergency medicine provider in Seattle, Washington, licensed in Washington (MD60285093) and active in the NPI registry since August 2007. He is enrolled in Medicare PECOS, is affiliated with University Of Washington Medical Ctr, and is a graduate of Other (2007).

NPPES Registry Identity

NPI1801089230
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. STEPHEN OUCredential: M.D.
Location Address1550 N 115TH STSeattle, WA 98133-8401
Mailing AddressPo Box 50095Seattle, WA 98145-5095 · (206) 520-5700
Phone(206) 486-4848
Sole ProprietorNo
Medical School CMSOtherGraduated 2007
Enumeration DateAugust 20, 2007
Last NPPES UpdateMay 16, 2019
✔ NPI 1801089230 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in WA · MD60285093
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
1550 N 115TH ST, Seattle, WA 98133
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Other Identifiers 1

Medicaid1801089230WA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Premera Blue Cross Blue Shield of Alaska.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Stephen Ou M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5092961870
PECOS Enrollment IDI20120809000823
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
223 services216 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
80 services78 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
27 services27 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

University Of Washington Medical Ctr

Acute Care Hospitals · Seattle, WA
3/5 CMS rating
OwnershipGovernment - State
CMS Certification Number500008
Location1959 NE Pacific St Box 356151Seattle, WA 98195 · King County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98133 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$97.43 typical visit price
range $63.67 – $189.37
Typical copayment $24.35 (range $15.91 – $47.34)
Most-billed visit code 99203
Established Patient
$111.00 typical visit price
range $21.12 – $155.00
Typical copayment $27.75 (range $5.28 – $38.75)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

93.09/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality73.95
Promoting Interoperability100
Improvement Activities40

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. MARIA ANN CORCORRAN MD
Internal Medicine
1550 N 115TH ST
SEATTLE, WA 98133
King County (206) 520-5000
BRENDA PARK DO
Emergency Medicine
1550 N 115TH ST
SEATTLE, WA 98133
King County (206) 368-5762
ELEANOR GANZ MD
Emergency Medicine
1550 N 115TH ST
SEATTLE, WA 98133
King County (206) 598-4955
HALLIE LOEWEN RN
Registered Nurse
1550 N 115TH ST
SEATTLE, WA 98133
King County (360) 320-7179
DR. JOHN EDWARD ABELLERA BLAIR MD
Internal Medicine (Interventional Cardiology)
1550 N 115TH ST
SEATTLE, WA 98133
King County (206) 520-5000
LEE F. BARNES MD
Anesthesiology
1550 N 115TH ST
SEATTLE, WA 98133
King County (206) 364-0500
DR. GARY H. SOMERS M.D.
Emergency Medicine
1550 N 115TH ST
SEATTLE, WA 98133
King County (206) 368-1765
MRS. KRISTINE MIKA PETERSON R.D.
Dietitian, Registered
1550 N 115TH ST
SEATTLE, WA 98133
King County (206) 520-5000

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Stephen Ou's NPI number?

The NPI number for Stephen Ou is 1801089230. It was assigned to this individual provider in the NPPES registry on August 20, 2007.

Where is Stephen Ou located?

Stephen Ou practices at 1550 N 115th St, Seattle, WA 98133. The listed phone number is (206) 486-4848.

What is Stephen Ou's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Stephen Ou enrolled in Medicare?

Yes. Stephen Ou is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Stephen Ou accept?

Health plans from Premera Blue Cross Blue Shield of Alaska list Stephen Ou as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Stephen Ou affiliated with any hospitals?

According to CMS data, Stephen Ou is affiliated with University Of Washington Medical Ctr.

When was this NPI record last updated?

The NPPES record for Stephen Ou was last updated on May 16, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.