Quick answers
- Which hospitals does Monica L. Saenz Castillo work at?
- Medicare's official clinician data lists Monica L. Saenz Castillo at 1 hospital: VHS Harlingen Hospital Company LLC. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Monica L. Saenz Castillo see patients?
- Medicare's clinician data lists 3 practice locations, including Donna, TX. Call before your visit to confirm the address.
- What is Monica L. Saenz Castillo's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Monica L. Saenz Castillo accept Medicare assignment?
- Yes. Medicare's clinician data says Monica L. Saenz Castillo 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 Monica L. Saenz Castillo?
- (956) 464-2402, as listed in official Medicare / NPI Registry data.
- What is Monica L. Saenz Castillo's NPI number?
- 1619990967. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Monica L. Saenz Castillo works
Medicare's Facility Affiliation Data lists Monica L. Saenz Castillo at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- VHS Harlingen Hospital Company LLCHarlingen, TX · Acute Care Hospital · CCN 450033
Practice locations
Addresses where Monica L. Saenz Castillo is enrolled with Medicare (CMS data updated 2026-10-02).
- 307 N D Salinas AveDonna, TX 78537
- 307 N D Salinas BlvdDonna, TX 78537
- 307 N D Salinas Blvd, Donna Medical ClinicDonna, TX 78537 (956) 464‑2402
Group practices
Medicare enrollment lists Monica L. Saenz Castillo as a member of this group (CMS data updated 2026-10-02).
- Donna Medical Clinic, PLLC35 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Donna
Clinicians with the same Medicare primary specialty in Donna, TX — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2003 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1619990967 |
| 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