MICHAEL A CHANG M.D.
NPI 1588640361
Orthopaedic Surgery - Orthopaedic Surgery of the Spine in Yakima, WA
About Michael A Chang M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MICHAEL A CHANG M.D. (NPI 1588640361) is an individual orthopaedic surgery of the spine provider in Yakima, Washington, licensed in Kansas (0432322) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Michael A Chang M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Michael Chang reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Yakima, WA 98902
- Reassigned Medicare billing, Washington enrollment
- 565 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 14
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.
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.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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 Michael Chang's NPI number?
The NPI number for Michael Chang is 1588640361. It was assigned to this individual provider in the NPPES registry on December 22, 2005.
Where is Michael Chang located?
Michael Chang practices at 111 S 11th Ave Ste 320, Yakima, WA 98902. The listed phone number is (509) 454-8888.
What is Michael Chang's specialty?
The primary specialty registered for this NPI is Orthopaedic Surgery, specializing in Orthopaedic Surgery of the Spine, with taxonomy code 207XS0117X.
Is Michael Chang enrolled in Medicare?
Yes. Michael Chang is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Michael Chang's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michael Chang reassigns Medicare benefits to Yakima Valley Memorial Physicians (Yakima, WA). 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 Michael 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 Michael Chang was last updated on January 26, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.