Loren P. Herrera Hernandez, MD

Medicare activity in 2024

Official CMS public-use data for Loren P. Herrera Hernandez, 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.

Most frequent services

1. Antibody evaluation, each additional single antibody stain procedure (88350)312 services
2. Special stained specimen slides to examine tissue including interpretation and report (88313)156 services
3. Pathology examination of tissue using a microscope, intermediate complexity (88305)141 services
4. Pathology examination of tissue using a microscope, moderately high complexity (88307)93 services
5. Special stained specimen slides to examine tissue, each additional procedure (88341)50 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

• High blood pressure75%
• High cholesterol74%
• Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)52%
• Chronic kidney disease45%
• Ischemic heart disease35%
• Arthritis33%

Hospitals where Loren P. Herrera Hernandez works

Medicare's Facility Affiliation Data lists Loren P. Herrera Hernandez 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.

• Mayo Clinic Hospital RochesterRochester, MN · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 240010

Practice locations

Addresses where Loren P. Herrera Hernandez is enrolled with Medicare (CMS data updated October 2, 2026).

• 200 1st St SWRochester, MN 55905

Group practices

Medicare enrollment lists Loren P. Herrera Hernandez as a member of this group (CMS data updated October 2, 2026).

• Mayo Clinic4,956 clinicians in the group

Specialties

• Pathologyprimary

Find other Pathology doctors in Minnesota →

Other pathologists in Rochester

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

• Kandelaria M. Rumilla, MD
• Brad S. Karon, MD
• Wen Lu, MD
• Jeremiah F. Molligan, MD
• Anja C. Roden, MD
• Gary L. Keeney, MD
• Lori A. Erickson, MD
• John C. Cheville, MD

All pathologists in Rochester →

Other clinicians in Mayo Clinic

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

• Michael P. O'Shea
• Jodie L. Lester, CNA
• Andrew J. Barkmeier, MD
• Melanie Swift, MD
• Mohamad Adnan Alkhouli, MD
• Daniel Childs, MD

Clinician information

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