Quick answers
- Which hospitals does Alberto E. Montalvo work at?
- Medicare's official clinician data lists Alberto E. Montalvo at 2 hospitals: Mission Regional Medical Center and South Texas Health System. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Alberto E. Montalvo see patients?
- Medicare's clinician data lists 2 practice locations, including Weslaco, TX and McAllen, TX. Call before your visit to confirm the address.
- What is Alberto E. Montalvo's specialty?
- Medicare lists Critical Care (Intensivists) as the primary specialty, and also Internal Medicine.
- Does Alberto E. Montalvo accept Medicare assignment?
- Yes. Medicare's clinician data says Alberto E. Montalvo 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 Alberto E. Montalvo?
- (956) 447-5557, as listed in official Medicare / NPI Registry data.
- What is Alberto E. Montalvo's NPI number?
- 1558716167. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Alberto E. Montalvo works
Medicare's Facility Affiliation Data lists Alberto E. Montalvo at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Mission Regional Medical CenterMission, TX · Acute Care Hospital · CCN 450176
- South Texas Health SystemEdinburg, TX · Acute Care Hospital · CCN 450119
Practice locations
Addresses where Alberto E. Montalvo is enrolled with Medicare (CMS data updated 2026-10-02).
- 1604 E 8th St, Suite AWeslaco, TX 78596 (956) 447‑5557
- 5300 N McColl Rd, Suite 100McAllen, TX 78504 (956) 630‑1000
Group practices
Medicare enrollment lists Alberto E. Montalvo as a member of this group (CMS data updated 2026-10-02).
- Ricardo Abreu, M.D., PA29 clinicians in the group
Specialties
Other critical care doctors in Weslaco
Clinicians with the same Medicare primary specialty in Weslaco, TX — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Texas Tech University Health Science Center School Of Medicine |
| Graduation year | 2016 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1558716167 |
| 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