Quick answers
- Which hospitals does David Y. Xu work at?
- Medicare's official clinician data lists David Y. Xu at 2 hospitals: Medical City Denton and Medical City Lewisville. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does David Y. Xu see patients?
- Medicare's clinician data lists 1 practice location in Decatur, TX. Call before your visit to confirm the address.
- What is David Y. Xu's specialty?
- Medicare lists Emergency Medicine as the primary specialty.
- Does David Y. Xu accept Medicare assignment?
- Yes. Medicare's clinician data says David Y. Xu accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for David Y. Xu?
- (954) 939-5000, as listed in official Medicare / NPI Registry data.
- What is David Y. Xu's NPI number?
- 1376999797. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where David Y. Xu works
Medicare's Facility Affiliation Data lists David Y. Xu at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Medical City DentonDenton, TX · Acute Care Hospital · CCN 450634
- Medical City LewisvilleLewisville, TX · Acute Care Hospital · CCN 450669
Practice locations
Addresses where David Y. Xu is enrolled with Medicare (CMS data updated 2026-10-02).
- 609 Medical Ctr DrDecatur, TX 76234 (954) 939‑5000
Group practices
Medicare enrollment lists David Y. Xu as a member of this group (CMS data updated 2026-10-02).
- Questcare Medical Services PLLC61 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Decatur
Clinicians with the same Medicare primary specialty in Decatur, TX — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Texas Southwestern Medical School At Dallas |
| Graduation year | 2016 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1376999797 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians