DR. YEE TIFFANY CHANG MD
NPI 1871566539
Family Medicine in Beaverton, OR
About Dr. Yee Tiffany Chang Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. YEE TIFFANY CHANG MD (NPI 1871566539) is an individual family medicine provider in Beaverton, Oregon, licensed in Oregon (MD24039) and active in the NPI registry since February 2006. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Northwestern University Feinberg Medical School (1999).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
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
Dr. Yee Tiffany Chang 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 Reassignment
Medicare enrollment records show Yee Chang reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Beaverton, OR 97005
- Reassigned Medicare billing, Oregon and Washington enrollments
- Medicare enrollment name: Kaiser Foundation Health Plan Of The Northwest
- Also billed through NPI 1184786527 (Washington)
- 3,207 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 97005 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.
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 Yee Chang's NPI number?
The NPI number for Yee Chang is 1871566539. It was assigned to this individual provider in the NPPES registry on February 10, 2006.
Where is Yee Chang located?
Yee Chang practices at 4855 SW Western Ave, Beaverton, OR 97005. The listed phone number is (800) 813-2000.
What is Yee Chang's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Yee Chang enrolled in Medicare?
Yes. Yee Chang 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 organization bills Medicare for Yee Chang's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Yee Chang reassigns Medicare benefits to Beaverton Rehab & Specialty Care, LLC (Beaverton, OR). The 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 Yee Chang's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Yee Chang was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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. Yee Tiffany Chang, MD · NPI 1871566539
Family Medicine physician in Beaverton, Oregon. Individual provider, active in the CMS NPPES registry since February 10, 2006.
## Identity
- **NPI:** 1871566539 (Entity type: Individual)
- **Enumerated:** February 10, 2006
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** MD24039 (Oregon)
- **Sole proprietor:** No
## Practice location
- **Address:** 4855 SW WESTERN AVE, Beaverton, OR 97005-3460
- **Phone:** (800) 813-2000
## 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:** Beaverton Rehab & Specialty Care, LLC (NPI 1366469330, Beaverton, OR), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Northwestern University Feinberg Medical School, class of 1999
## Record status
- **NPPES last updated:** July 13, 2026
- **Other identifiers:** Other 286607 (OR)
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Source: [NPI Profile](https://npiprofile.com/npi/1871566539) · Data from the CMS NPPES public registry.