DR. THERESE G. KERWEL MD
Prescription History 1669727921
Colon & Rectal Surgery in Brookfield, WI

Active since July 23, 2012PECOS EnrolledAccepts Medicare Assignment
82.39/100
CMS Quality Rating
17000 W NORTH AVE, SUITE 107W, BROOKFIELD, WI 53005(262) 785-7740 Get Directions

NPPES record last updated: January 25, 2017. Verified against the NPPES registry weekly; last sync: October 11, 2026.

Medicare Part D Prescription History

Explore the verified Medicare Part D prescription history, volume metrics, and calculated drug costs for DR. THERESE G. KERWEL MD, an active Colon & Rectal Surgery specialist practicing in Brookfield, WI. Our medical registry currently tracks 3 unique pharmaceutical formulations prescribed by this provider, representing an estimated volume of 91 documented patient claims. Among these therapy options, the most frequently utilized medication is Sod Sulf-Potass Sulf-Mag Sulf, which accounts for 66 claims alone. Use the table below to sort by claims, cost, or utilization compared with the state average; select any medication for its full profile.

3
Medications
91
Total Claims
91
30-Day Fills
Sod Sulf-Potass Sulf-Mag Sulf
Most Prescribed · 66 claims
View details
3 medications · 2024 Medicare Part D
Medicare Part D medications prescribed by DR. THERESE G. KERWEL MD in 2024, with prescription volumes, average cost per fill, and WI state comparisons
Medication Prescriptions (2024)Rx (2024) Avg Cost per FillCost / Fill Vs. Other WI PrescribersVs. WI Avg
Sod Sulf-Potass Sulf-Mag SulfSodium, Potassium,mag Sulfates66$58.78▼ below WI avg▼ Less than typical

About Sod Sulf-Potass Sulf-Mag Sulf: Sodium/potassium/magnesium sulfate solution is used to clean out the intestines before a certain bowel exam procedure (colonoscopy). Show more ▾

It is a laxative that works by drawing large amounts of water into the colon. This causes watery bowel movements. Clearing stool from the intestines helps your doctor to better examine the intestines during your procedure.

In 2024, this provider wrote 66 Medicare prescriptions for Sod Sulf-Potass Sulf-Mag Sulf, about half the volume of the typical Wisconsin prescriber of this medication (116.3). Medicare paid an average of $58.78 per fill, versus $62.68 statewide.

How often this provider prescribes it

This provider
66
WI average
116.3

This provider prescribes this medication less often than the average WI prescriber. Utilization reflects practice size as well as clinical preference.

What Medicare paid per fill

This provider
$58.78
WI average
$62.68

This provider's average cost per fill is below the WI average for this medication.

66
30-Day Fills
standardized to 30-day supplies
72
Days of Medication
total across all patients in 2024
Tramadol Hcl13$1.43▼ below WI avg▼ Less than typical

About Tramadol Hcl: See also Warning section. Show more ▾

This medication is used to help relieve moderate to moderately severe pain. Tramadol belongs to a class of drugs known as opioid analgesics. It works in the brain to change how your body feels and responds to pain. A narcotic analgesic proposed for severe pain. It may be habituating.

In 2024, this provider wrote 13 Medicare prescriptions for Tramadol Hcl, about a quarter of the volume of the typical Wisconsin prescriber of this medication (49.3). Medicare paid an average of $1.43 per fill, versus $7.70 statewide.

How often this provider prescribes it

This provider
13
WI average
49.3

This provider prescribes this medication less often than the average WI prescriber. Utilization reflects practice size as well as clinical preference.

What Medicare paid per fill

This provider
$1.43
WI average
$7.70

This provider's average cost per fill is below the WI average for this medication.

13
30-Day Fills
standardized to 30-day supplies
33
Days of Medication
total across all patients in 2024
Metoprolol Tartrate12$0.82▼ below WI avg▼ Less than typical

About Metoprolol Tartrate: Metoprolol is used with or without other medications to treat high blood pressure (hypertension). Show more ▾

Lowering high blood pressure helps prevent strokes, heart attacks, and kidney problems. This medication is also used to treat chest pain (angina) and to improve survival after a heart attack. Metoprolol belongs to a class of drugs known as beta blockers. It works by blocking the action of certain natural chemicals in your body, such as epinephrine, on the heart and blood vessels. This effect lowers the heart rate, blood pressure, and strain on the heart. A selective adrenergic beta-1 blocking agent that is commonly used to treat ANGINA PECTORIS; HYPERTENSION; and CARDIAC ARRHYTHMIAS.

In 2024, this provider wrote 12 Medicare prescriptions for Metoprolol Tartrate, about 17% of the volume of the typical Wisconsin prescriber of this medication (71.1). Medicare paid an average of $0.82 per fill, versus $7.53 statewide.

How often this provider prescribes it

This provider
12
WI average
71.1

This provider prescribes this medication less often than the average WI prescriber. Utilization reflects practice size as well as clinical preference.

What Medicare paid per fill

This provider
$0.82
WI average
$7.53

This provider's average cost per fill is below the WI average for this medication.

12
30-Day Fills
standardized to 30-day supplies
360
Days of Medication
total across all patients in 2024
No medications match the current filters.
▲ More than typical≈ Typical▼ Less than typical= prescription volume vs the average WI prescriber of the same medication; volume reflects practice size as well as clinical preference.Green cost= below the WI average cost per fill.

About this data. The prescription history for DR. THERESE G. KERWEL MD is compiled from the Centers for Medicare & Medicaid Services (CMS) Medicare Part D Prescriber Public Use File for calendar year 2024, the most recent federal release. Figures cover prescriptions filled for Medicare Part D beneficiaries only; prescriptions under private insurance, Medicaid, or self-pay plans are not included. Because prescribing decisions are generally consistent across coverage types, this record offers a useful view of the overall Colon & Rectal Surgery prescribing approach at this Brookfield, WI practice.

Reading the costs. Drug costs are gross amounts paid to pharmacies under Part D, including both plan and beneficiary payments. They are not the price a patient pays at the pharmacy counter. Medications with fewer than 11 claims are excluded from the federal source data, and state comparisons use the average among WI prescribers of the same medication and form, shown only when at least five prescribers contribute. Always confirm current medications and costs directly with the provider and your plan.

About the medication summaries. Drug use descriptions come from the CMS Medicare Part D Drug Spending Dashboard (2024), and substance definitions from Medical Subject Headings (MeSH) 2026, U.S. National Library of Medicine. They are summaries that do not contain all possible information about a medication and are not individual medical advice. Ask a health care professional about any medication and your specific health needs.