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

Neurology

Gloria I. Ortiz Guerrero, MD

Works at hospitals in Rochester, MN · Minnesota

Summary

Dr. Gloria I. Ortiz Guerrero, MD is a neurologist at 200 1st St SW, Rochester, MN 55905. Phone: (507) 284-2511. Accepts Medicare assignment. In 2024, Gloria I. Ortiz Guerrero had 11 Original Medicare patients and 16 services. NPI 1154982585. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about Gloria I. Ortiz Guerrero, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Gloria I. Ortiz Guerrero accept Medicare assignment?
Yes. Medicare's clinician data says Gloria I. Ortiz Guerrero accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Gloria I. Ortiz Guerrero see?
In 2024, CMS data shows 11 Original Medicare patients and 16 services for Gloria I. Ortiz Guerrero. This counts Original Medicare only and measures volume, not quality.
What is Gloria I. Ortiz Guerrero's NPI number?
1154982585. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Gloria I. Ortiz Guerrero, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients11
Services billed to Medicare16
Different services or procedures7
Participating Medicare providerYes
Average age of these patients53

Hospitals where Gloria I. Ortiz Guerrero works

Medicare's Facility Affiliation Data lists Gloria I. Ortiz Guerrero at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Gloria I. Ortiz Guerrero is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Gloria I. Ortiz Guerrero as a member of this group (CMS data updated October 2, 2026).

  • Mayo Clinic4,956 clinicians in the group

Specialties

Find other Neurology doctors in Minnesota →

Other neurologists in Rochester

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

All neurologists in Rochester →

Other clinicians in Mayo Clinic

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Graduation year2013 (13 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1154982585
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 October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians