DR. STEPHEN F OU D.O.
NPI 1205029477
Orthopaedic Surgery in Lakewood, WA
About Dr. Stephen F Ou D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. STEPHEN F OU D.O. (NPI 1205029477) is an individual orthopaedic surgery provider in Lakewood, Washington, licensed in Washington (OP60218317) and active in the NPI registry since August 2007. He is enrolled in Medicare PECOS, is affiliated with Inspira Medical Center Vineland, and maintains 5 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 5
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Stephen F Ou D.o. 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.
Medicare Billing Reassignments
7Medicare enrollment records show Stephen Ou reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Olympia, WA 98502
- Reassigned Medicare billing, Washington enrollment
- 154 clinicians in this Medicare group
Hood River, OR 97031
- Reassigned Medicare billing, Oregon enrollment
- 195 clinicians in this Medicare group
Portland, OR 97216
- Reassigned Medicare billing, Oregon enrollment
- 331 clinicians in this Medicare group
Victor, MT 59875
- Reassigned Medicare billing, Montana enrollment
- Also billed through NPI 1659475846 (Montana)
- 154 clinicians in this Medicare group
Hancock, MI 49930
- Reassigned Medicare billing, Michigan enrollment
- 130 clinicians in this Medicare group
New London, WI 54961
- Reassigned Medicare billing, Wisconsin enrollment
- 988 clinicians in this Medicare group
Glassboro, NJ 08028
- Reassigned Medicare billing, New Jersey enrollment
- Medicare enrollment name: Inspira Health Network Medical Group PC
- 258 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 2
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.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Inspira Medical Center Vineland
Acute Care Hospitals · Vineland, NJAdventist Health Portland
Acute Care Hospitals · Portland, ORThedacare Regional Med Ctr - Neenah
Acute Care Hospitals · Neenah, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 98499 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
LAKEWOOD, WA 98499
LAKEWOOD, WA 98499
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 1205029477. It was assigned to this individual provider in the NPPES registry on August 21, 2007.
Where is Stephen Ou located?
Stephen Ou practices at 11311 Bridgeport Way SW, Lakewood, WA 98499. The listed phone number is (253) 985-2733.
What is Stephen Ou's specialty?
The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.
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.
Which organizations bill Medicare for Stephen Ou's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Stephen Ou reassigns Medicare benefits to 7 organizations: Public Hospital District No 1 Of Mason County (Olympia, WA), Mid-Columbia Medical Center (Hood River, OR), Portland Adventist Medical Center (Portland, OR), Marcus Daly Memorial Hospital Corporation (Victor, MT), Portage Physician Practices Inc (Hancock, MI) and 2 more organizations, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Stephen Ou's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Stephen Ou accept?
Health plans from Anthem Blue Cross and Blue Shield, Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company, Blue Cross and Blue Shield of Montana and BridgeSpan Health Company and 6 other insurers 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 Inspira Medical Center Vineland, Adventist Health Portland and Thedacare Regional Med Ctr - Neenah.
When was this NPI record last updated?
The NPPES record for Stephen Ou was last updated on December 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months 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.
# Dr. Stephen F Ou, D.O. · NPI 1205029477
Orthopaedic Surgery physician in Lakewood, Washington. Individual provider, active in the CMS NPPES registry since August 21, 2007.
## Identity
- **NPI:** 1205029477 (Entity type: Individual)
- **Enumerated:** August 21, 2007
- **Primary specialty:** Orthopaedic Surgery · taxonomy 207X00000X
- **State license:** OP60218317 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 11311 BRIDGEPORT WAY SW, Lakewood, WA 98499-3071
- **Phone:** (253) 985-2733 · **Fax:** (253) 566-8777
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 7 organizations under Medicare reassignment (form CMS-855R): Public Hospital District No 1 Of Mason County (NPI 1740642024, Olympia, WA); Mid-Columbia Medical Center (NPI 1568979680, Hood River, OR); Portland Adventist Medical Center (NPI 1750091021, Portland, OR); Marcus Daly Memorial Hospital Corporation (NPI 1962949982, Victor, MT); Portage Physician Practices Inc (NPI 1225461684, Hancock, MI); and 2 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Nova Southeastern College Of Osteo Medicine, class of 2004
## Record status
- **NPPES last updated:** December 17, 2025
- **Other identifiers:** Medicaid 2013908 (WA)
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Source: [NPI Profile](https://npiprofile.com/npi/1205029477) · Data from the CMS NPPES public registry.