Quick answers
- Which hospitals does Alwin Sebastian work at?
- Medicare's official clinician data lists Alwin Sebastian at 1 hospital: Valley Regional Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Alwin Sebastian see patients?
- Medicare's clinician data lists 1 practice location in Harlingen, TX. Call before your visit to confirm the address.
- What is Alwin Sebastian's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does Alwin Sebastian accept Medicare assignment?
- Yes. Medicare's clinician data says Alwin Sebastian 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 Alwin Sebastian?
- (956) 440-6300, as listed in official Medicare / NPI Registry data.
- What is Alwin Sebastian's NPI number?
- 1740928514. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Alwin Sebastian works
Medicare's Facility Affiliation Data lists Alwin Sebastian at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Valley Regional Medical CenterBrownsville, TX · Acute Care Hospital · CCN 450662
Practice locations
Addresses where Alwin Sebastian is enrolled with Medicare (CMS data updated 2026-10-02).
- 512 Victoria Ln, Suite 12Harlingen, TX 78550 (956) 440‑6300
Group practices
Medicare enrollment lists Alwin Sebastian as a member of this group (CMS data updated 2026-10-02).
- Hni Medical Services33 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Harlingen
Clinicians with the same Medicare primary specialty in Harlingen, TX — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2021 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1740928514 |
| 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