ZA CHANG APRN, CRNA
NPI 1023575297
Anesthesiology in Chandler, AZ
About Za Chang Aprn, Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ZA CHANG APRN, CRNA (NPI 1023575297) is an individual anesthesiology provider in Chandler, Arizona, licensed in Arizona (314368) and active in the NPI registry since February 2019. She is enrolled in Medicare PECOS and is a graduate of Other (2023).
NPPES Registry Identity
Specialties & Licenses 3
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
Za Chang Aprn, Crna 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
3Medicare enrollment records show Za Chang reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Flagstaff, AZ 86001
- Reassigned Medicare billing, Arizona enrollment
- 552 clinicians in this Medicare group
Rochester, MN 55905
- Reassigned Medicare billing, Minnesota enrollment
- 6,534 clinicians in this Medicare group
La Crosse, WI 54601
- Reassigned Medicare billing, Wisconsin enrollment
- 1,457 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.
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 Za Chang's NPI number?
The NPI number for Za Chang is 1023575297. It was assigned to this individual provider in the NPPES registry on February 25, 2019.
Where is Za Chang located?
Za Chang practices at 2621 S Santa Anna St, Chandler, AZ 85286. The listed phone number is (612) 388-3056.
What is Za Chang's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Za Chang enrolled in Medicare?
Yes. Za 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 Za Chang's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Za Chang reassigns Medicare benefits to 3 organizations: Northern Arizona Healthcare Corporation (Flagstaff, AZ), Mayo Clinic (Rochester, MN) and Gundersen Lutheran Medical Center, Inc (La Crosse, WI). 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 Za Chang's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Za Chang accept?
Health plans from Blue Cross Blue Shield of Arizona and Cigna HealthCare of Arizona, Inc list Za 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 Za Chang was last updated on June 9, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.
# Za Chang, APRN, CRNA · NPI 1023575297
Anesthesiology physician in Chandler, Arizona. Individual provider, active in the CMS NPPES registry since February 25, 2019.
## Identity
- **NPI:** 1023575297 (Entity type: Individual)
- **Enumerated:** February 25, 2019
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** 314368 (Arizona)
- **Sole proprietor:** No
## Practice location
- **Address:** 2621 S SANTA ANNA ST, Chandler, AZ 85286-7906
- **Phone:** (612) 388-3056
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Northern Arizona Healthcare Corporation (NPI 1669914552, Flagstaff, AZ); Mayo Clinic (NPI 1114343860, Rochester, MN); Gundersen Lutheran Medical Center, Inc (NPI 1689918377, La Crosse, WI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2023
## Record status
- **NPPES last updated:** June 9, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1023575297) · Data from the CMS NPPES public registry.