Dr. Gil E. Harmon, MD
Hematology & Oncology (Hematology & Oncology Physician)
- Medicare participating
At a glance
- Medical school
- Mayo Medical School (2013)
- Years since graduation
- 13
- In the NPI registry since
- 2013
- Medicare patients seen, 2024
- 184
The NPI date is when this clinician registered for a National Provider Identifier, the billing number used on health claims. It is not a license, graduation or board-certification date. What an NPI is
Education and training
- 2013Medical school: Mayo Medical School
- 2013Registered with an NPI (national billing number; not a license date)
Undergraduate school, residency, fellowship, licensing exams and board certification aren’t in public federal data. Board certification can be confirmed with the certifying board (ABMS member boards for MDs, AOA boards for DOs).
Specialties and state licenses
-
Hematology & Oncology Physician primary
WI license 65726-20
As reported to the NPI registry. To confirm a license is current, check the state medical board.
Where they work
Hospitals
- Gundersen Lutheran Medical Center La Crosse, WI
- Tomah Memorial Hospital Tomah, WI
- Gundersen St Josephs Hospital and Clinics Hillsboro, WI
Medical groups
- Gundersen Lutheran Medical Center Inc (895 clinicians)
- Gundersen Clinic LTD (418 clinicians)
Hospitals this clinician lists with Medicare, and groups they bill Medicare through (Care Compare). Affiliation doesn’t mean they see patients at every location.
Medicare patients and services
- Medicare patients, 2024
- 184
- Services billed
- 579
- Patients’ average age
- 73
| Service | Times | Patients |
|---|---|---|
| Established patient office or other outpatient visit, 40-54 minutes | 213 | 92 |
| Established patient office or other outpatient visit, 30-39 minutes | 142 | 95 |
| Established patient office or other outpatient visit, 20-29 minutes | 37 | 29 |
| New patient office or other outpatient visit, 60-74 minutes | 33 | 33 |
| Telephone medical discussion with physician, 11-20 minutes | 25 | 15 |
| Telephone medical discussion with physician, 21-30 minutes | 13 | 11 |
Medicare fee-for-service only. CMS leaves out services billed for fewer than 11 patients. These figures describe a practice’s Medicare work; they aren’t a measure of quality.
Medicare prescriptions
| Drug | Prescriptions |
|---|---|
| Prednisone Other prescribers in La Crosse, WI | 70 |
| Ondansetron Hcl Other prescribers in La Crosse, WI | 70 |
| Levothyroxine Sodium Other prescribers in La Crosse, WI | 66 |
| Prochlorperazine Maleate Other prescribers in La Crosse, WI | 57 |
| Dexamethasone Other prescribers in La Crosse, WI | 52 |
| Abiraterone Acetate | 51 |
| Eliquis (apixaban) Other prescribers in La Crosse, WI | 51 |
| Omeprazole Other prescribers in La Crosse, WI | 31 |
| Gabapentin Other prescribers in La Crosse, WI | 26 |
| Famotidine Other prescribers in La Crosse, WI | 25 |
Prescriptions filled under Medicare Part D, including refills. CMS leaves out drugs prescribed fewer than 11 times.
Payments from drug and device companies
In 2025, 1 companies reported 1 payments worth $20.00 in total to this clinician.
| Aveo Pharmaceuticals, Inc. | $20.00 |
|---|
| Education | $20.00 |
|---|
What the payments were for
| Company | What it was for | Amount |
|---|---|---|
| Aveo Pharmaceuticals, Inc. Apr 22, 2025 | Education FOTIVDA · Oncology · in-kind | $20.00 |
Each payment as the company reported it, with the products it named. Meals are counted in the totals above but not listed one by one.
From CMS Open Payments. A payment is not evidence of wrongdoing; many are for consulting, teaching or meals. Clinicians can review and dispute their records with CMS.