Quick answers
- Which hospitals does Ruben Alvarez Cobian work at?
- Medicare's official clinician data lists Ruben Alvarez Cobian at 1 hospital: Hospital de la Concepcion. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Ruben Alvarez Cobian see patients?
- Medicare's clinician data lists 2 practice locations, including San German, PR. Call before your visit to confirm the address.
- What is Ruben Alvarez Cobian's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Ruben Alvarez Cobian accept Medicare assignment?
- Yes. Medicare's clinician data says Ruben Alvarez Cobian 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 Ruben Alvarez Cobian?
- (787) 892-1949, as listed in official Medicare / NPI Registry data.
- What is Ruben Alvarez Cobian's NPI number?
- 1144293291. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Ruben Alvarez Cobian works
Medicare's Facility Affiliation Data lists Ruben Alvarez Cobian at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Hospital de la ConcepcionSan German, PR · Acute Care Hospital · CCN 400021
Practice locations
Addresses where Ruben Alvarez Cobian is enrolled with Medicare (CMS data updated 2026-10-02).
- 100 Calle Hernan AlvarezSan German, PR 00683 (787) 892‑1949
- PO BoxSan German, PR 00683
Specialties
- Internal Medicineprimary
Other internal medicine doctors in San German
Clinicians with the same Medicare primary specialty in San German, PR — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1990 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1144293291 |
| 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