JIA WEN JESSICA CHANG M.D.
NPI 1699113274
Emergency Medicine in Round Rock, TX
About Jia Wen Jessica Chang M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JIA WEN JESSICA CHANG M.D. (NPI 1699113274) is an individual emergency medicine provider in Round Rock, Texas, licensed in Texas (Q7540) and active in the NPI registry since June 2013. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Jia Wen Jessica Chang M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Jia Wen Chang reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Taylor, TX 76574
- Reassigned Medicare billing, Texas enrollment
- 84 clinicians in this Medicare group
Dallas, TX 75246
- Reassigned Medicare billing, Texas enrollment
- 1,044 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 3
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 78665 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.
ROUND ROCK, TX 78665
ROUND ROCK, TX 78665
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 Jia Wen Chang's NPI number?
The NPI number for Jia Wen Chang is 1699113274. It was assigned to this individual provider in the NPPES registry on June 5, 2013. The provider is also known as Chia Wen Jessica Chang.
Where is Jia Wen Chang located?
Jia Wen Chang practices at 300 University Blvd, Round Rock, TX 78665. The listed phone number is (512) 509-0100.
What is Jia Wen Chang's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Jia Wen Chang enrolled in Medicare?
Yes. Jia Wen Chang is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Jia Wen Chang's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jia Wen Chang reassigns Medicare benefits to 2 organizations: Scott & White Hospital - Taylor (Taylor, TX) and Century Integrated Partners, Inc (Dallas, TX). 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 Jia Wen Chang's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Jia Wen Chang accept?
Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 5 other insurers list Jia 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 Jia Wen Chang was last updated on August 25, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Jia Wen Jessica Chang, M.D. · NPI 1699113274
Emergency Medicine physician in Round Rock, Texas. Individual provider, active in the CMS NPPES registry since June 5, 2013.
## Identity
- **NPI:** 1699113274 (Entity type: Individual)
- **Enumerated:** June 5, 2013
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** Q7540 (Texas)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 300 UNIVERSITY BLVD, Round Rock, TX 78665-1032
- **Phone:** (512) 509-0100 · **Fax:** (512) 218-6330
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **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): Scott & White Hospital - Taylor (NPI 1659366557, Taylor, TX); Century Integrated Partners, Inc (NPI 1447615711, Dallas, TX) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** August 25, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1699113274) · Data from the CMS NPPES public registry.