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

Urology

Derek J. Lomas, MD

Works at hospitals in Red Wing, MN · New Prague, MN · La Crosse, WI … · Minnesota, Wisconsin

Summary

Derek J. Lomas, MD (Urology) is listed by Medicare at 4 hospitals in Red Wing, MN, New Prague, MN and La Crosse, WI and other places. NPI 1164868824. 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 Derek J. Lomas, 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

UrologyPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
13Years since medical school (graduated 2013)
R Franklin University Of Med & Sci/chicago Medical SchoolMedical school
MaleGender (as listed)
Mayo ClinicGroup practice

Quick answers

Which hospitals does Derek J. Lomas work at?
Medicare's official clinician data lists Derek J. Lomas at 4 hospitals: Mayo Clinic Health System in Red Wing, Mayo Clinic Health System New Prague, Mayo Clinic Health System-Franciscan Medical Center Inc and Mayo Clinic Hospital Rochester. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Derek J. Lomas see patients?
Medicare's clinician data lists 1 practice location in Rochester, MN. Call before your visit to confirm the address.
What is Derek J. Lomas's specialty?
Medicare lists Urology as the primary specialty.
Does Derek J. Lomas accept Medicare assignment?
Yes. Medicare's clinician data says Derek J. Lomas 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 Derek J. Lomas offer telehealth?
Medicare's clinician data says Derek J. Lomas offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Derek J. Lomas?
(507) 284-2511, as listed in official Medicare / NPI Registry data.
What is Derek J. Lomas's NPI number?
1164868824. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Derek J. Lomas works

Medicare's Facility Affiliation Data lists Derek J. Lomas 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 Derek J. Lomas is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Derek J. Lomas as a member of this group (CMS data updated 2026-10-02).

  • Mayo Clinic4,956 clinicians in the group

Specialties

Find other Urology doctors in Minnesota →

Other urologists in Rochester

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

All urologists in Rochester →

Clinician information

CredentialMD
Medical schoolR Franklin University Of Med & Sci/chicago Medical School
Graduation year2013
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1164868824
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