Quick answers
- Which hospitals does Alexander Arreguin work at?
- Medicare's official clinician data lists Alexander Arreguin at 1 hospital: Ohio State University State Health System. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Alexander Arreguin see patients?
- Medicare's clinician data lists 2 practice locations, including Columbus, OH. Call before your visit to confirm the address.
- What is Alexander Arreguin's specialty?
- Medicare lists Hospitalist as the primary specialty.
- Does Alexander Arreguin accept Medicare assignment?
- Medicare's clinician data says Alexander Arreguin may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- What is Alexander Arreguin's NPI number?
- 1508500281. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Alexander Arreguin works
Medicare's Facility Affiliation Data lists Alexander Arreguin at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Ohio State University State Health SystemColumbus, OH · Acute Care Hospital · CCN 360085
Practice locations
Addresses where Alexander Arreguin is enrolled with Medicare (CMS data updated 2026-10-02).
Specialties
- Hospitalistprimary
Other hospitalists in Columbus
Clinicians with the same Medicare primary specialty in Columbus, OH — not a recommendation.
Clinician information
| Graduation year | 2022 |
|---|---|
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1508500281 |
| 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