Quick answers
- Does Cristina Sifuentes-Ayala accept Medicare assignment?
- Yes. Medicare's clinician data says Cristina Sifuentes-Ayala accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- What is Cristina Sifuentes-Ayala's NPI number?
- 1285008136. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Cristina Sifuentes-Ayala works
Medicare's Facility Affiliation Data lists Cristina Sifuentes-Ayala at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- CHRISTUS Southeast Texas- St ElizabethBeaumont, TX · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 450034
Practice locations
Addresses where Cristina Sifuentes-Ayala is enrolled with Medicare (CMS data updated October 2, 2026).
- 2927 Nall StPort Neches, TX 77651 (409) 210‑3336
- 4310 Dowlen Rd, Suite 16Beaumont, TX 77706 (409) 299‑4448
Group practices
Medicare enrollment lists Cristina Sifuentes-Ayala as a member of these groups (CMS data updated October 2, 2026).
- Etx Medical Group, PLLC15 clinicians in the group
- K Paul Gerstenberg, D O, P A5 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Texas
Clinicians with the same Medicare primary specialty in Texas — not a recommendation.
Other clinicians in Etx Medical Group, PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2024 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1285008136 |
| 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 October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- 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