DR. WILLIAM J FISCHER III M.D.
Prescription History 1982920344
Thoracic Surgery (Cardiothoracic Vascular Surgery) in Milwaukee, WI
What does Dr. Fischer prescribe?
In 2024, Dr. Fischer wrote 65 Medicare prescriptions for 4 medications. The most prescribed was Amoxicillin, with 25 prescriptions for 11 patients.
Medicare Part D only. These are prescriptions filled by people with Medicare drug coverage in 2024, from the CMS data released in 2026, the most recent year available. CMS does not publish medications with fewer than 11 prescriptions, so this is not a full list of what Dr. Fischer prescribes.
Medications 4 medications
Prescriptions filled under Medicare Part D in 2024. Select a medication to see what it is used for and how it compares with other Wisconsin prescribers.
What it is used for
Amoxicillin is used to treat a wide variety of bacterial infections.
Compared with Wisconsin prescribers
Dr. Fischer wrote 25 prescriptions for Amoxicillin, about 69% as often as the typical Wisconsin prescriber of it (36). Medicare paid $1.38 per fill, versus $2.55 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to treat a wide variety of bacterial infections, including those that cause acne.
Compared with Wisconsin prescribers
Dr. Fischer wrote 16 prescriptions for Doxycycline Hyclate, about 67% as often as the typical Wisconsin prescriber of it (24). Medicare paid $5.37 per fill, versus $14.64 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Atorvastatin is used along with a proper diet to help lower "bad" cholesterol and fats (such as LDL, triglycerides) and raise "good" cholesterol (HDL) in the blood.
Compared with Wisconsin prescribers
Dr. Fischer wrote 12 prescriptions for Atorvastatin Calcium, about 6% as often as the typical Wisconsin prescriber of it (218). Medicare paid $6.07 per fill, versus $9.94 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Furosemide is used to reduce extra fluid in the body (edema) caused by conditions such as heart failure, liver disease, and kidney disease.
Compared with Wisconsin prescribers
Dr. Fischer wrote 12 prescriptions for Furosemide, about 13% as often as the typical Wisconsin prescriber of it (93). Medicare paid $1.89 per fill, versus $5.94 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
Questions about Dr. Fischer’s prescriptions
What does Dr. Fischer prescribe most?
In 2024 Medicare Part D data, Dr. Fischer's most prescribed medications were Amoxicillin (25), Doxycycline Hyclate (16) and Atorvastatin Calcium (12).
How does Dr. Fischer's prescribing compare with other Wisconsin prescribers?
Of the 4 medications with a state comparison, Dr. Fischer prescribes 4 less often than the typical Wisconsin prescriber. Volume reflects practice size as well as prescribing habits.
Does this list show every medication Dr. Fischer prescribes?
No. It covers prescriptions filled by people with Medicare Part D drug coverage in 2024, and CMS leaves out any medication with fewer than 11 prescriptions.
About this data
This page shows one provider’s slice of public Medicare files. NPI Profile does not receive prescriptions or patient records.
| Source | What it provides here | Data year |
|---|---|---|
| CMS Medicare Part D Prescribers by Provider and Drug | Each medication, prescriptions, patients, 30-day fills, days of medication and cost. State comparisons average the Wisconsin prescribers of the same medication and form, where at least five wrote it. | 2024 (released 2026, the most recent available) |
| CMS Medicare Part D Drug Spending Dashboard | What each medication is used for. | 2024 |
- Only prescriptions filled by people with Medicare Part D drug coverage are counted. Private insurance, Medicaid and cash purchases are not.
- CMS leaves out medications with fewer than 11 prescriptions and hides patient counts under 11.
- Cost per fill is what the plan and the patient paid the pharmacy together, not what you pay at the counter.
- Medication descriptions are summaries from CMS. They are not medical advice; ask a health care professional about any medication.