Quick answers
- Which hospitals does David J. Chang work at?
- Medicare's official clinician data lists David J. Chang at 4 hospitals: Baylor Scott and White Medical Center Sunnyvale, CHRISTUS Mother Frances Hospital, CHRISTUS Mother Frances Hospital Sulphur Springs and Medical City Plano. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does David J. Chang see patients?
- Medicare's clinician data lists 2 practice locations, including Sulphur Springs, TX and Sunnyvale, TX. Call before your visit to confirm the address.
- What is David J. Chang's specialty?
- Medicare lists Emergency Medicine as the primary specialty.
- Does David J. Chang accept Medicare assignment?
- Yes. Medicare's clinician data says David J. Chang 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 J. Chang?
- (903) 885-7671, as listed in official Medicare / NPI Registry data.
- What is David J. Chang's NPI number?
- 1538797691. 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 J. Chang works
Medicare's Facility Affiliation Data lists David J. Chang at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Baylor Scott and White Medical Center SunnyvaleSunnyvale, TX · Acute Care Hospital · CCN 670060
- CHRISTUS Mother Frances HospitalTyler, TX · Acute Care Hospital · CCN 450102
- CHRISTUS Mother Frances Hospital Sulphur SpringsSulphur Springs, TX · Acute Care Hospital · CCN 450236
- Medical City PlanoPlano, TX · Acute Care Hospital · CCN 450651
Practice locations
Addresses where David J. Chang is enrolled with Medicare (CMS data updated 2026-10-02).
- 115 Airport RdSulphur Springs, TX 75482 (903) 885‑7671
- 231 S Collins RdSunnyvale, TX 75182 (954) 939‑5000
Group practices
Medicare enrollment lists David J. Chang as a member of these groups (CMS data updated 2026-10-02).
- Northeast Texas Emergency Physicians PLLC207 clinicians in the group
- Ray Hubbard Emergency Physicians PLLC11 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Sulphur Springs
Clinicians with the same Medicare primary specialty in Sulphur Springs, TX — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Nova Southeastern College Of Osteo Medicine |
| Graduation year | 2020 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1538797691 |
| 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