CHIA-WEN ANNIE CHANG M.D.
NPI 1417210451
Ophthalmology in Visalia, CA
About Chia-wen Annie Chang M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CHIA-WEN ANNIE CHANG M.D. (NPI 1417210451) is an individual ophthalmology provider in Visalia, California, licensed in California (A142555) and active in the NPI registry since June 2012. She is enrolled in Medicare PECOS and is a graduate of Medical College Of Wisconsin (2012).
NPPES Registry Identity
Specialties & Licenses
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
Chia-wen Annie Chang M.d. 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 Chia-wen Chang reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Visalia, CA 93277
- Reassigned Medicare billing, California enrollment
- 6 clinicians in this Medicare group
Visalia, CA 93291
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: County Of Tulare
- 81 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 17
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 93277 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.
Reported Quality Measures
Referred Medical Equipment & Supplies CMS DME claims 4
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 8
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 Chia-wen Chang's NPI number?
The NPI number for Chia-wen Chang is 1417210451. It was assigned to this individual provider in the NPPES registry on June 22, 2012.
Where is Chia-wen Chang located?
Chia-wen Chang practices at 5021 W Noble Ave Ste A, Visalia, CA 93277. The listed phone number is (559) 627-9393.
What is Chia-wen Chang's specialty?
The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.
Is Chia-wen Chang enrolled in Medicare?
Yes. Chia-wen 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 Chia-wen Chang's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Chia-wen Chang reassigns Medicare benefits to 2 organizations: Eye Surgical & Medical Associates, Inc. (Visalia, CA) and County Of Tulare Health And Human Services Agency (Visalia, 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 Chia-wen Chang's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Chia-wen Chang accept?
Health plans from Anthem Blue Cross and Blue Shield, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma, Blue Cross and Blue Shield of Texas and Providence Health Plan list Chia-wen Chang 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.
When was this NPI record last updated?
The NPPES record for Chia-wen Chang was last updated on July 18, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.
# Chia-Wen Annie Chang, M.D. · NPI 1417210451
Ophthalmology physician in Visalia, California. Individual provider, active in the CMS NPPES registry since June 22, 2012.
## Identity
- **NPI:** 1417210451 (Entity type: Individual)
- **Enumerated:** June 22, 2012
- **Primary specialty:** Ophthalmology · taxonomy 207W00000X
- **State license:** A142555 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 5021 W NOBLE AVE, STE A, Visalia, CA 93277-8310
- **Phone:** (559) 627-9393 · **Fax:** (559) 627-1624
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Eye Surgical & Medical Associates, Inc. (NPI 1124068523, Visalia, CA); County Of Tulare Health And Human Services Agency (NPI 1093424517, Visalia, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Medical College Of Wisconsin, class of 2012
## Record status
- **NPPES last updated:** July 18, 2016
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Source: [NPI Profile](https://npiprofile.com/npi/1417210451) · Data from the CMS NPPES public registry.