Quick answers
- Which hospitals does Stefanie M. Diaz work at?
- Medicare's official clinician data lists Stefanie M. Diaz at 5 hospitals: CHRISTUS Mother Frances Hospital, CHRISTUS Mother Frances Hospital Sulphur Springs, UT Health East Texas Athens Hospital, UT Health East Texas Jacksonville Hospital and UT Health East Texas Tyler Regional Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Stefanie M. Diaz see patients?
- Medicare's clinician data lists 7 practice locations, including Tyler, TX, Flint, TX and Athens, TX. Call before your visit to confirm the address.
- What is Stefanie M. Diaz's specialty?
- Medicare lists Nephrology as the primary specialty, and also Internal Medicine.
- Does Stefanie M. Diaz accept Medicare assignment?
- Yes. Medicare's clinician data says Stefanie M. Diaz 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.
- Does Stefanie M. Diaz offer telehealth?
- Medicare's clinician data says Stefanie M. Diaz offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Stefanie M. Diaz?
- (903) 595-5486, as listed in official Medicare / NPI Registry data.
- What is Stefanie M. Diaz's NPI number?
- 1689723637. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Stefanie M. Diaz works
Medicare's Facility Affiliation Data lists Stefanie M. Diaz at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- CHRISTUS Mother Frances HospitalTyler, TX · Acute Care Hospital · CCN 450102
- CHRISTUS Mother Frances Hospital Sulphur SpringsSulphur Springs, TX · Acute Care Hospital · CCN 450236
- UT Health East Texas Athens HospitalAthens, TX · Acute Care Hospital · CCN 450389
- UT Health East Texas Jacksonville HospitalJacksonville, TX · Acute Care Hospital · CCN 450194
- UT Health East Texas Tyler Regional HospitalTyler, TX · Acute Care Hospital · CCN 450083
Practice locations
Addresses where Stefanie M. Diaz is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 7; the Medicare profile lists all.
- 1133 Medical DrTyler, TX 75701 (903) 595‑5486
- 18118 FM 344Flint, TX 75762 (903) 825‑3292
- 2000 S Palestine StAthens, TX 75751 (903) 676‑1000
- 2701 US Hwy 271 NPittsburg, TX 75686 (903) 946‑5442
- 300 Wilson StHenderson, TX 75652 (903) 655‑6536
Group practices
Medicare enrollment lists Stefanie M. Diaz as a member of these groups (CMS data updated 2026-10-02).
- ETMC Physician Group, Inc.381 clinicians in the group
- Tyler Nephrology Associates PA27 clinicians in the group
Specialties
- Nephrologyprimary
- Internal Medicinealso
Other nephrologists in Tyler
Clinicians with the same Medicare primary specialty in Tyler, TX — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1992 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1689723637 |
| 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