TONY LI-WEI CHANG MD
NPI 1871784678
Family Medicine - Sports Medicine in Redding, CA
About Tony Li-wei Chang Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
TONY LI-WEI CHANG MD (NPI 1871784678) is an individual sports medicine provider in Redding, California, licensed in California (A100732) and active in the NPI registry since August 2007. He is enrolled in Medicare PECOS and is a graduate of Other (2004).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
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
Tony Li-wei 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 Reassignments
2Medicare enrollment records show Tony Chang reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Redding, CA 96001
- Reassigned Medicare billing, California enrollment
- 42 clinicians in this Medicare group
Redding, CA 96002
- Reassigned Medicare billing, California enrollment
- 131 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 40
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 96001 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 7
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
REDDING, CA 96001
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 Tony Chang's NPI number?
The NPI number for Tony Chang is 1871784678. It was assigned to this individual provider in the NPPES registry on August 6, 2007.
Where is Tony Chang located?
Tony Chang practices at 1255 Liberty Street, Redding, CA 96001. The listed phone number is (530) 246-2467.
What is Tony Chang's specialty?
The primary specialty registered for this NPI is Family Medicine, specializing in Sports Medicine, with taxonomy code 207QS0010X.
Is Tony Chang enrolled in Medicare?
Yes. Tony 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 organizations bill Medicare for Tony Chang's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Tony Chang reassigns Medicare benefits to 2 organizations: Shasta Orthopedics & Sports Medicine A Medical Corporation (Redding, CA) and Dignity Health (Redding, CA). 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 Tony 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 Tony Chang was last updated on October 9, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.