Quick answers
- Which hospitals does Tomas Mercado work at?
- Medicare's official clinician data lists Tomas Mercado at 3 hospitals: Harlingen Medical Center, Valley Baptist Medical Center- Brownsville and VHS Harlingen Hospital Company LLC. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Tomas Mercado see patients?
- Medicare's clinician data lists 7 practice locations, including Harlingen, TX, Brownsville, TX and Pharr, TX. Call before your visit to confirm the address.
- What is Tomas Mercado's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Tomas Mercado accept Medicare assignment?
- Yes. Medicare's clinician data says Tomas Mercado 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 Tomas Mercado?
- (956) 230-2300, as listed in official Medicare / NPI Registry data.
- What is Tomas Mercado's NPI number?
- 1780252924. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Tomas Mercado works
Medicare's Facility Affiliation Data lists Tomas Mercado at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Harlingen Medical CenterHarlingen, TX · Acute Care Hospital · CCN 450855
- Valley Baptist Medical Center- BrownsvilleBrownsville, TX · Acute Care Hospital · CCN 450028
- VHS Harlingen Hospital Company LLCHarlingen, TX · Acute Care Hospital · CCN 450033
Practice locations
Addresses where Tomas Mercado is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 7; the Medicare profile lists all.
- 1814 Atrium Place DrHarlingen, TX 78550 (956) 230‑2300
- 1821 S Sesame Sq, Suite 17Harlingen, TX 78550 (956) 888‑0490
- 2101 Pease StHarlingen, TX 78550 (956) 389‑2044
- 222 E Van Buren Ave, Suite 506Harlingen, TX 78550 (956) 242‑4452
- 5501 S Expressway, Suite 77Harlingen, TX 78550 (956) 365‑1000
Group practices
Medicare enrollment lists Tomas Mercado as a member of these groups (CMS data updated 2026-10-02).
- Benchmark Inpatient Services PLLC24 clinicians in the group
- Alliance Care Clinics LLC4 clinicians in the group
- Stanley Sy MD PA2 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Harlingen
Clinicians with the same Medicare primary specialty in Harlingen, TX — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2020 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1780252924 |
| 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