Quick answers
- Which hospitals does Alejandro D. Oliu work at?
- Medicare's official clinician data lists Alejandro D. Oliu at 5 hospitals: Mayo Clinic Health System - Albert Lea and Austin, Mayo Clinic Health System - Mankato, Mayo Clinic Health System - Waseca, Mayo Clinic Health System St. James and Mayo Clinic Hospital Rochester. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Alejandro D. Oliu see patients?
- Medicare's clinician data lists 1 practice location in Mankato, MN. Call before your visit to confirm the address.
- What is Alejandro D. Oliu's specialty?
- Medicare lists General Surgery as the primary specialty.
- Does Alejandro D. Oliu accept Medicare assignment?
- Yes. Medicare's clinician data says Alejandro D. Oliu 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 Alejandro D. Oliu?
- (507) 625-4031, as listed in official Medicare / NPI Registry data.
- What is Alejandro D. Oliu's NPI number?
- 1265936256. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Alejandro D. Oliu works
Medicare's Facility Affiliation Data lists Alejandro D. Oliu at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Mayo Clinic Health System - Albert Lea and AustinAlbert Lea, MN · Acute Care Hospital · CCN 240043
- Mayo Clinic Health System - MankatoMankato, MN · Acute Care Hospital · CCN 240093
- Mayo Clinic Health System - WasecaWaseca, MN · Critical Access Hospital · CCN 241345
- Mayo Clinic Health System St. JamesSt James, MN · Critical Access Hospital · CCN 241333
- Mayo Clinic Hospital RochesterRochester, MN · Acute Care Hospital · CCN 240010
Practice locations
Addresses where Alejandro D. Oliu is enrolled with Medicare (CMS data updated 2026-10-02).
- 1025 Marsh StMankato, MN 56001 (507) 625‑4031
Group practices
Medicare enrollment lists Alejandro D. Oliu as a member of this group (CMS data updated 2026-10-02).
- Mayo Clinic Health System-Southwest Minnesota Region661 clinicians in the group
Specialties
- General Surgeryprimary
Other general surgeons in Mankato
Clinicians with the same Medicare primary specialty in Mankato, MN — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2018 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1265936256 |
| 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