Dr. Gil E. Harmon, MD
- Medicare services, 2024
- 532
- Medicare patients, 2024
- 184
- Part D claims, 2024
- 946
- Publications
- 4
- Clinical trials
- 5
- Practice address
- 1910 South Ave, Heritage Building 2 West, La Crosse, WI 54601
- Practice phone
- Call (608) 775-3176
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Gundersen Lutheran Medical Center - Dialysis
Dialysis Center - Hospital-Based · La Crosse, Wisconsin
Find Dr. Harmon's professional email, personal email and mobile number
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Dr. Gil E. Harmon is a hematologist and oncologist in La Crosse, Wisconsin
Dr. Harmon practices at Gundersen Lutheran Medical Center - Dialysis in La Crosse, Wisconsin.
Dr. Harmon's NPI, 1104265339, was assigned on June 20, 2013. Dr. Harmon graduated from Mayo Medical School in 2013. Dr. Harmon holds Wisconsin license 65726-20.
- NPI
- 1104265339NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2860633625
- NPI enumeration date
- June 20, 2013
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (608) 775-3176
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 39
- Medical school graduation
- 2013
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gil E. Harmon practices at Gundersen Lutheran Medical Center - Dialysis in La Crosse, Wisconsin
Dr. Harmon's primary practice is Gundersen Lutheran Medical Center - Dialysis, at 1910 South Ave, Heritage Building 2 West, La Crosse, WI 54601 in La Crosse County. The practice phone is (608) 775-3176.
- Gundersen Lutheran Medical Center - Dialysis1910 South Ave, Heritage Building 2 West, La Crosse, WI 54601 · La Crosse CountyPhone(608) 775-3176
Source: Dmand AI Affiliation Data
Dr. Gil E. Harmon is affiliated with 6 sites of care and 2 medical groups
Dr. Harmon's primary practice is Gundersen Lutheran Medical Center - Dialysis in La Crosse, Wisconsin. Dr. Harmon is also affiliated with Gundersen Lutheran Medical Center. The medical group on file is Gundersen Lutheran Medical Center. Dmand AI also links Dr. Harmon to 3 more hospitals, 1 group practice or clinic and 1 medical group, each named with a free account. Dr. Harmon's employer is on file too: a dialysis center.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Gil E. Harmon's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Harmon practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Gundersen Lutheran Medical Center - Dialysis | Available with a free account |
| +5 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gil E. Harmon is one of 277 hematologists and oncologists in Wisconsin
Hematology and oncology is Dr. Harmon's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dr. Harmon is board certified in hematology by the American Board of Internal Medicine. Dr. Harmon is licensed in Wisconsin.
Specialties and state licenses
- Hematology and oncology, WisconsinPrimary
Hematologists and oncologists near Dr. Harmon
Counts of hematologists and oncologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Gil E. Harmon billed Medicare for 532 services in 2024
CMS data shows 532 Medicare services from Dr. Harmon across 6 procedure codes in 2024, for 184 Medicare patients. Medicare paid $46,127 for them.
Dr. Harmon's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4632024: 52113%
- Other services
- 2023: 02024: 11
Where Dr. Harmon's Medicare services took place, 2024
- In an office12223%
- In a facility41077%
Dr. Harmon compared with the Wisconsin median for hematologists and oncologists, 2024
- Dr. Harmon
- Wisconsin median
- Medicare services
- 532vs 545Close to median
- Medicare patients
- 184vs 1727% above
- Part D claims
- 773vs 44673% above
Medians across 269 hematologists and oncologists in Wisconsin with Dmand AI profiles that report each measure.
Dr. Harmon's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Harmon and other hematologists and oncologists in Wisconsin.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gil E. Harmon treated 184 Medicare patients in 2024, average age 73
CMS counts 184 Medicare patients who saw Dr. Harmon in 2024. The largest group is 65 to 74, with 108 patients. 70% of them have high blood pressure, and 62% have high cholesterol. 11% are also on Medicaid. Their average risk score is 2.41, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Harmon's median patient age at 70, with 62% women.
Dr. Harmon's Medicare patients by age, 2024
Dr. Harmon's Medicare patients by sex, 2024
- Women10658%
- Men7842%
Chronic conditions among Dr. Harmon's Medicare patients, 2024
- High blood pressure70%
- High cholesterol62%
- Cancer51%
- Chronic kidney disease34%
- Arthritis33%
- Diabetes29%
- Anxiety22%
- Atrial fibrillation22%
Share of Medicare patients with each condition. A patient can have several.
Dr. Harmon's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women62%
- Men38%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Gil E. Harmon wrote 946 Medicare Part D claims in 2024
In 2024, Dr. Harmon wrote 946 Medicare Part D claims for 149 patients. 84% of them were for generic drugs. CMS names the drug for 773 of them, across 27 drugs with 11 or more claims each, at $821,903 in total drug cost. In 2023, CMS named 442 claims across 17 drugs.
Dr. Harmon's Part D claims by kind of drug, 2024
- Generic792 claims84%
- Brand-name154 claims16%
Dr. Harmon's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Harmon's Part D claims, 2024
- Opioids6%59 of 946 claims
- Antibiotics2%23 of 946 claims
- Antipsychotics, patients 65 and over1%12 of 946 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 4422024: 77375%
Drugs named by CMS: 27 in 2024, 17 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Gil E. Harmon offers telehealth to Medicare patients
Dr. Harmon accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Harmon as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Gil E. Harmon has 4 publications on record
Dmand AI links 4 papers to Dr. Harmon, published from 2013 to 2024. 2018 was the busiest year, with 2. Dr. Harmon's most frequent co-authors are Jeffrey E. Gershenwald, MD, Kevin L. Greason, MD and Emily Jean Guerard, MD.
Dr. Harmon's papers by year, 2013 to 2024
Dr. Harmon's most frequent co-authors
- Jeffrey E. Gershenwald, MD1 shared paper
- Kevin L. Greason, MD1 shared paper
- Emily Jean Guerard, MD1 shared paper
Recent publications by Dr. Harmon
See who Dr. Harmon researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Harmon works with, so you can find a warm path to the right hematologists and oncologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Gil E. Harmon has worked on 5 clinical trials
Dmand AI links Dr. Harmon to 5 clinical trials, 3 of them phase 2 studies. 5 are still active or recruiting. Conditions studied include Carcinosarcoma, Carcinoma, Endometrioid and Fallopian Tube Diseases. National Cancer Institute (NCI) sponsors the most, 4.
Clinical trials with Dr. Harmon by phase
- NonePhase 1: no trials
- 3Phase 2: 3 trials
- 2Phase 3: 2 trials
- NonePhase 4: no trials
Conditions in Dr. Harmon's trials
- Carcinosarcoma
- Carcinoma, Endometrioid
- Fallopian Tube Diseases
- Ovarian Neoplasms
- Fallopian Tube Neoplasms
Investigators on the most trials with Dr. Harmon
- Raanan Y. Alter, MD4 shared trials
- Leslie Siriya Bradford, MD4 shared trials
- Ruchi Garg, MD4 shared trials
Recent clinical trials with Dr. Harmon
Testing the Addition of the Immunotherapy Drug, Pembrolizumab, to the Usual Radiation Treatment for Newly Diagnosed Early Stage High Intermediate Risk Endometrial Cancer (opens in a new tab)
Letrozole With or Without Paclitaxel and Carboplatin in Treating Patients With Stage II-IV Ovarian, Fallopian Tube, or Primary Peritoneal Cancer (opens in a new tab)
Tazemetostat in Treating Patients With Recurrent Ovarian or Endometrial Cancer (opens in a new tab)
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Gil E. Harmon received $20 in industry payments in 2025
CMS Open Payments shows 1 general payment to Dr. Harmon from 1 drug or device company in 2025. Education make up the largest share, 100% of the total. Aveo Pharmaceuticals, Inc. paid the most, $20.
Companies that paid Dr. Harmon the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Gil E. Harmon graduated from Mayo Medical School
Dr. Harmon graduated from Mayo Medical School in 2013.
- Medical school
- Board certified in hematology
- Board certified in internal medicine
- Board certified in medical oncology
Source: Dmand AI Professional Profile Data
Sources for Dr. Gil E. Harmon's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Gil E. Harmon
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Gil E. Harmon's NPI number?
Dr. Gil E. Harmon's NPI number is 1104265339. It was assigned on June 20, 2013, and it is active in the NPI Registry.
What kind of doctor is Dr. Gil E. Harmon?
Dr. Gil E. Harmon is a hematologist and oncologist in La Crosse, Wisconsin. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).
Where does Dr. Gil E. Harmon practice?
Dr. Harmon practices at 1910 South Ave, Heritage Building 2 West, La Crosse, WI 54601. Dr. Harmon's primary practice is Gundersen Lutheran Medical Center - Dialysis in La Crosse, Wisconsin. Dmand AI also links Dr. Harmon to 3 hospitals, 1 group practice or clinic and 1 medical group.
What is Dr. Gil E. Harmon's office phone number?
The practice phone on file for Dr. Harmon is (608) 775-3176.
What is Dr. Gil E. Harmon's medical license number?
Dr. Harmon holds Wisconsin license 65726-20.
Which hospitals is Dr. Gil E. Harmon affiliated with?
Dr. Harmon is affiliated with Gundersen Lutheran Medical Center. Dmand AI links Dr. Harmon to 3 more hospitals.
What medical group is Dr. Gil E. Harmon part of?
Dr. Harmon is linked to Gundersen Lutheran Medical Center. Dmand AI links Dr. Harmon to 1 more medical group.
Does Dr. Gil E. Harmon accept Medicare?
Yes. CMS data shows Dr. Harmon billed Medicare for 532 services in 2024, and Dr. Harmon accepts Medicare assignment.
Does Dr. Gil E. Harmon offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Harmon as offering telehealth services.
How many Medicare patients does Dr. Gil E. Harmon see?
CMS counts 184 Medicare patients who saw Dr. Harmon in 2024, with an average age of 73.
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Is Dr. Gil E. Harmon board certified?
Yes. Dr. Harmon is board certified in hematology by the American Board of Internal Medicine.
What services does Dr. Gil E. Harmon bill to Medicare?
In 2024, Dr. Harmon's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99215) and office visit, established patient (99213).
Where did Dr. Gil E. Harmon go to medical school?
Dr. Harmon graduated from Mayo Medical School in 2013.
What drugs does Dr. Gil E. Harmon prescribe most?
In 2024 Medicare Part D data, Dr. Harmon's most prescribed drugs by claims were Ondansetron HCl, Prednisone and Levothyroxine Sodium.
Has Dr. Gil E. Harmon received payments from drug or device companies?
CMS Open Payments shows $20 in general payments to Dr. Harmon from 1 company from 2025 to 2025. The largest total came from Aveo Pharmaceuticals, Inc.
How long has Dr. Gil E. Harmon been practicing?
Dr. Harmon graduated from medical school in 2013, 13 years ago.
Does Dr. Gil E. Harmon do research?
Dmand AI links 4 publications to Dr. Harmon, published from 2013 to 2024. Dr. Harmon has worked on 5 clinical trials.
Who does Dr. Gil E. Harmon publish with?
Dr. Harmon's most frequent co-authors are Jeffrey E. Gershenwald, MD (1 shared paper), Kevin L. Greason, MD (1 shared paper) and Emily Jean Guerard, MD (1 shared paper).
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