DR. AARON KEVIN CHEN MD
NPI 1942512934
Emergency Medicine in Dallas, TX
About Dr. Aaron Kevin Chen Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. AARON KEVIN CHEN MD (NPI 1942512934) is an individual emergency medicine provider in Dallas, Texas, licensed in Texas (P5522) and active in the NPI registry since July 2010. He is enrolled in Medicare PECOS, is affiliated with Medical Center Hospital, and is a graduate of University Of Illinois College Of Med (chi/peor/rock/chm-urb) (2010).
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
Dr. Aaron Kevin Chen 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
11Medicare enrollment records show Aaron Chen reassigns Medicare billing to 11 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Dallas, TX 75230
- Reassigned Medicare billing, Texas enrollment
- 454 clinicians in this Medicare group
Frisco, TX 75033
- Reassigned Medicare billing, Texas enrollment
- 90 clinicians in this Medicare group
Frisco, TX 75033
- Reassigned Medicare billing, Texas enrollment
- 89 clinicians in this Medicare group
Fort Worth, TX 76112
- Reassigned Medicare billing, Texas enrollment
- 231 clinicians in this Medicare group
Fort Worth, TX 76112
- Reassigned Medicare billing, Texas enrollment
- 545 clinicians in this Medicare group
Killeen, TX 76549
- Reassigned Medicare billing, Texas enrollment
- 387 clinicians in this Medicare group
Austin, TX 78705
- Reassigned Medicare billing, Texas enrollment
- 547 clinicians in this Medicare group
Spring, TX 77381
- Reassigned Medicare billing, Texas enrollment
- 180 clinicians in this Medicare group
Houston, TX 77024
- Reassigned Medicare billing, Texas enrollment
- 408 clinicians in this Medicare group
Pasadena, TX 77505
- Reassigned Medicare billing, Texas enrollment
- 644 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 6
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.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Medical Center Hospital
Acute Care Hospitals · Odessa, TXMemorial Hermann Hospital System
Acute Care Hospitals · Houston, TXSt David's Medical Center
Acute Care Hospitals · Austin, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 75231 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.
DALLAS, TX 75231
DALLAS, TX 75231
DALLAS, TX 75231
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 Aaron Chen's NPI number?
The NPI number for Aaron Chen is 1942512934. It was assigned to this individual provider in the NPPES registry on July 8, 2010.
Where is Aaron Chen located?
Aaron Chen practices at 8200 Walnut Hill Ln, Dallas, TX 75231. The listed phone number is (309) 361-9746.
What is Aaron Chen's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Aaron Chen enrolled in Medicare?
Yes. Aaron Chen 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 Aaron Chen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Aaron Chen reassigns Medicare benefits to 11 organizations: Questcare Medical Services, PLLC (Dallas, TX), El Dorado Urgent Care, PLLC (Frisco, TX), Woodbridge Physicians Staffing Group, PLLC (Frisco, TX), Texas Physician Resources, LLP (Fort Worth, TX), Texas Medicine Resources, LLP (Fort Worth, TX) and 6 more organizations, listed in the Medicare section above. 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 Aaron Chen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Aaron Chen accept?
Health plans from Blue Cross and Blue Shield of Texas, Oscar Insurance Company and UnitedHealthcare list Aaron Chen 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.
Is Aaron Chen affiliated with any hospitals?
According to CMS data, Aaron Chen is affiliated with Medical Center Hospital, Memorial Hermann Hospital System and St David's Medical Center.
When was this NPI record last updated?
The NPPES record for Aaron Chen was last updated on March 28, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.
# Dr. Aaron Kevin Chen, MD · NPI 1942512934
Emergency Medicine physician in Dallas, Texas. Individual provider, active in the CMS NPPES registry since July 8, 2010.
## Identity
- **NPI:** 1942512934 (Entity type: Individual)
- **Enumerated:** July 8, 2010
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** P5522 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 8200 WALNUT HILL LN, Dallas, TX 75231-4426
- **Phone:** (309) 361-9746
## 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:** 11 organizations under Medicare reassignment (form CMS-855R): Questcare Medical Services, PLLC (NPI 1912059247, Dallas, TX); El Dorado Urgent Care, PLLC (NPI 1154799328, Frisco, TX); Woodbridge Physicians Staffing Group, PLLC (NPI 1750777322, Frisco, TX); Texas Physician Resources, LLP (NPI 1639413289, Fort Worth, TX); Texas Medicine Resources, LLP (NPI 1376581900, Fort Worth, TX); and 6 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Illinois College Of Med, class of 2010
## Record status
- **NPPES last updated:** March 28, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1942512934) · Data from the CMS NPPES public registry.