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Hematology/Oncology

Gil E. Harmon, MD

Works at hospitals in La Crosse, WI · Hillsboro, WI · Tomah, WI · Wisconsin

Summary

Gil E. Harmon, MD (Hematology/Oncology) is listed by Medicare at 3 hospitals in La Crosse, WI, Hillsboro, WI and Tomah, WI. NPI 1104265339. 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 Gil E. Harmon, 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

Hematology/OncologyPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
13Years since medical school (graduated 2013)
Mayo Medical SchoolMedical school
MaleGender (as listed)
Gundersen Lutheran Medical Center IncGroup practice (+1 more)

Quick answers

Which hospitals does Gil E. Harmon work at?
Medicare's official clinician data lists Gil E. Harmon at 3 hospitals: Gundersen Lutheran Medical Center, Gundersen St Josephs Hospital and Clinics and Tomah Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Gil E. Harmon see patients?
Medicare's clinician data lists 5 practice locations, including La Crosse, WI. Call before your visit to confirm the address.
What is Gil E. Harmon's specialty?
Medicare lists Hematology/Oncology as the primary specialty.
Does Gil E. Harmon accept Medicare assignment?
Yes. Medicare's clinician data says Gil E. Harmon 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 Gil E. Harmon offer telehealth?
Medicare's clinician data says Gil E. Harmon offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Gil E. Harmon?
(608) 782-7300, as listed in official Medicare / NPI Registry data.
What is Gil E. Harmon's NPI number?
1104265339. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Gil E. Harmon works

Medicare's Facility Affiliation Data lists Gil E. Harmon 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 Gil E. Harmon is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Gil E. Harmon as a member of these groups (CMS data updated 2026-10-02).

  • Gundersen Lutheran Medical Center Inc895 clinicians in the group
  • Gundersen Clinic Ltd418 clinicians in the group

Specialties

Find other Hematology/Oncology doctors in Wisconsin →

Other hematologist-oncologists in Wisconsin

Clinicians with the same Medicare primary specialty in Wisconsin — not a recommendation.

All hematologist-oncologists in Wisconsin →

Clinician information

CredentialMD
Medical schoolMayo Medical School
Graduation year2013
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1104265339
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