Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Medical Oncology

Roberto A. Leon Ferre, MD

Works at hospitals in Rochester, MN · Minnesota

Summary

Roberto A. Leon Ferre, MD (Medical Oncology) is listed by Medicare at 1 hospital in Rochester, MN. NPI 1427361377. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Roberto A. Leon Ferre, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Medical OncologyPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
19Years since medical school (graduated 2007)
MaleGender (as listed)
Mayo ClinicGroup practice

Quick answers

Which hospitals does Roberto A. Leon Ferre work at?
Medicare's official clinician data lists Roberto A. Leon Ferre at 1 hospital: Mayo Clinic Hospital Rochester. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Roberto A. Leon Ferre see patients?
Medicare's clinician data lists 1 practice location in Rochester, MN. Call before your visit to confirm the address.
What is Roberto A. Leon Ferre's specialty?
Medicare lists Medical Oncology as the primary specialty, and also Hematology/Oncology.
Does Roberto A. Leon Ferre accept Medicare assignment?
Yes. Medicare's clinician data says Roberto A. Leon Ferre 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.
Does Roberto A. Leon Ferre offer telehealth?
Medicare's clinician data says Roberto A. Leon Ferre offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Roberto A. Leon Ferre?
(507) 284-2511, as listed in official Medicare / NPI Registry data.
What is Roberto A. Leon Ferre's NPI number?
1427361377. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Roberto A. Leon Ferre works

Medicare's Facility Affiliation Data lists Roberto A. Leon Ferre at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Roberto A. Leon Ferre is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Roberto A. Leon Ferre as a member of this group (CMS data updated 2026-10-02).

  • Mayo Clinic4,956 clinicians in the group

Specialties

Find other Medical Oncology doctors in Minnesota →

Other oncologists in Rochester

Clinicians with the same Medicare primary specialty in Rochester, MN — not a recommendation.

All oncologists in Rochester →

Clinician information

CredentialMD
Graduation year2007
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1427361377
CorrectionsReport 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

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians