STEPHANIE H YANG MD
NPI 1235274234
Anesthesiology in Bellevue, WA
About Stephanie H Yang Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STEPHANIE H YANG MD (NPI 1235274234) is an individual anesthesiology provider in Bellevue, Washington, licensed in Washington (MD00047908) and active in the NPI registry since February 2007. She is enrolled in Medicare PECOS, is affiliated with Ohsu Hospital And Clinics, and maintains a secondary practice location in Portland.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 1
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
Stephanie H Yang Md 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
6Medicare enrollment records show Stephanie Yang reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Seattle, WA 98122
- Reassigned Medicare billing, Washington enrollment
- 233 clinicians in this Medicare group
Portland, OR 97205
- Reassigned Medicare billing, Oregon enrollment
- 271 clinicians in this Medicare group
Woodburn, OR 97071
- Reassigned Medicare billing, Oregon enrollment
- 625 clinicians in this Medicare group
Dallas, OR 97338
- Reassigned Medicare billing, Oregon enrollment
- 254 clinicians in this Medicare group
Springfield, OR 97477
- Reassigned Medicare billing, Oregon enrollment
- 123 clinicians in this Medicare group
Portland, OR 97239
- Reassigned Medicare billing, Oregon enrollment
- 279 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
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Ohsu Hospital And Clinics
Acute Care Hospitals · Portland, ORSwedish Medical Center
Acute Care Hospitals · Seattle, WAOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Stephanie Yang's NPI number?
The NPI number for Stephanie Yang is 1235274234. It was assigned to this individual provider in the NPPES registry on February 20, 2007.
Where is Stephanie Yang located?
Stephanie Yang practices at 1035 116th Ave NE, Bellevue, WA 98004. The listed phone number is (425) 451-4141.
What is Stephanie Yang's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Stephanie Yang enrolled in Medicare?
Yes. Stephanie Yang 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 Stephanie Yang's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Stephanie Yang reassigns Medicare benefits to 6 organizations: Physicians Anesthesia Service PLLC (Seattle, WA), Oregon Anesthesiology Group PC (Portland, OR), Salem Health (Woodburn, OR), Salem Health West Valley (Dallas, OR), Northwest Anesthesia Physicians PC (Springfield, OR) and 1 more organization, 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 Stephanie Yang's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Stephanie Yang affiliated with any hospitals?
According to CMS data, Stephanie Yang is affiliated with Ohsu Hospital And Clinics and Swedish Medical Center.
When was this NPI record last updated?
The NPPES record for Stephanie Yang was last updated on April 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Stephanie H Yang, MD · NPI 1235274234
Anesthesiology physician in Bellevue, Washington. Individual provider, active in the CMS NPPES registry since February 20, 2007.
## Identity
- **NPI:** 1235274234 (Entity type: Individual)
- **Enumerated:** February 20, 2007
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** MD00047908 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 1035 116TH AVE NE, Bellevue, WA 98004-4604
- **Phone:** (425) 451-4141 · **Fax:** (425) 451-4144
## 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:** 6 organizations under Medicare reassignment (form CMS-855R): Physicians Anesthesia Service PLLC (NPI 1417962200, Seattle, WA); Oregon Anesthesiology Group PC (NPI 1477527786, Portland, OR); Salem Health (NPI 1578112066, Woodburn, OR); Salem Health West Valley (NPI 1245237486, Dallas, OR); Northwest Anesthesia Physicians PC (NPI 1770531196, Springfield, OR); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Baylor College Of Medicine, class of 2003
## Record status
- **NPPES last updated:** April 8, 2026
- **Other identifiers:** Medicaid 8944563 (WA)
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Source: [NPI Profile](https://npiprofile.com/npi/1235274234) · Data from the CMS NPPES public registry.