DR. JILLIAN LOUISE EWING HAAS M.D.
Prescription History 1982929410
Pediatrics in Waukesha, WI
What does Dr. Ewing Haas prescribe?
In 2024, Dr. Ewing Haas wrote 1,632 Medicare prescriptions for 41 medications. The most prescribed was Atorvastatin Calcium, with 280 prescriptions for 85 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. Ewing Haas prescribes.
Medications 41 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
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. Ewing Haas wrote 280 prescriptions for Atorvastatin Calcium, about 1.3 times as often as the typical Wisconsin prescriber of it (218). Medicare paid $7.00 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
Lisinopril is used to treat high blood pressure.
Compared with Wisconsin prescribers
Dr. Ewing Haas wrote 124 prescriptions for Lisinopril, about as often as the typical Wisconsin prescriber of it (131). Medicare paid $5.30 per fill, versus $7.21 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
Metformin is used with a proper diet and exercise program and possibly with other medications to control high blood sugar.
Compared with Wisconsin prescribers
Dr. Ewing Haas wrote 106 prescriptions for Metformin Hcl Er, about 1.5 times as often as the typical Wisconsin prescriber of it (72). Medicare paid $5.54 per fill, versus $10.31 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
Amlodipine is used with or without other medications to treat high blood pressure.
Compared with Wisconsin prescribers
Dr. Ewing Haas wrote 104 prescriptions for Amlodipine Besylate, about 72% as often as the typical Wisconsin prescriber of it (145). Medicare paid $5.56 per fill, versus $6.64 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
Rosuvastatin 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. Ewing Haas wrote 90 prescriptions for Rosuvastatin Calcium, about 87% as often as the typical Wisconsin prescriber of it (103). Medicare paid $8.23 per fill, versus $11.94 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
Losartan is used to treat high blood pressure (hypertension) and to help protect the kidneys from damage due to diabetes.
Compared with Wisconsin prescribers
Dr. Ewing Haas wrote 85 prescriptions for Losartan Potassium, about 67% as often as the typical Wisconsin prescriber of it (128). Medicare paid $7.66 per fill, versus $9.85 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
Levothyroxine is used to treat an underactive thyroid (hypothyroidism).
Compared with Wisconsin prescribers
Dr. Ewing Haas wrote 76 prescriptions for Levothyroxine Sodium, about half as often as the typical Wisconsin prescriber of it (153). Medicare paid $10.44 per fill, versus $10.75 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 high blood pressure.
Compared with Wisconsin prescribers
Dr. Ewing Haas wrote 53 prescriptions for Hydrochlorothiazide, about 65% as often as the typical Wisconsin prescriber of it (81). Medicare paid $4.59 per fill, versus $4.64 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
Omeprazole is used to treat certain stomach and esophagus problems (such as acid reflux, ulcers).
Compared with Wisconsin prescribers
Dr. Ewing Haas wrote 47 prescriptions for Omeprazole, about 40% as often as the typical Wisconsin prescriber of it (117). Medicare paid $16.86 per fill, versus $14.71 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 a beta-blocker used to treat chest pain (angina), heart failure, and high blood pressure.
Compared with Wisconsin prescribers
Dr. Ewing Haas wrote 45 prescriptions for Metoprolol Succinate, about 36% as often as the typical Wisconsin prescriber of it (123). Medicare paid $11.38 per fill, versus $14.52 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
Alendronate is used to prevent and treat certain types of bone loss (osteoporosis) in adults.
Compared with Wisconsin prescribers
Dr. Ewing Haas wrote 37 prescriptions for Alendronate Sodium, about 75% as often as the typical Wisconsin prescriber of it (50). Medicare paid $7.48 per fill, versus $9.00 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 blood clots (such as in deep vein thrombosis-DVT or pulmonary embolus-PE) and/or to prevent new clots from forming in your body.
Compared with Wisconsin prescribers
Dr. Ewing Haas wrote 35 prescriptions for Warfarin Sodium, about half as often as the typical Wisconsin prescriber of it (64). Medicare paid $8.88 per fill, versus $9.85 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 depression.
Compared with Wisconsin prescribers
Dr. Ewing Haas wrote 34 prescriptions for Bupropion Xl, about 78% as often as the typical Wisconsin prescriber of it (44). Medicare paid $61.07 per fill, versus $25.20 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
Semaglutide is used with a proper diet and exercise program to control high blood sugar in people with type 2 diabetes.
Compared with Wisconsin prescribers
Dr. Ewing Haas wrote 33 prescriptions for Ozempic, about 68% as often as the typical Wisconsin prescriber of it (49). Medicare paid $1,050.31 per fill, versus $1,245.82 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
Famotidine is used to treat ulcers of the stomach and intestines and to prevent intestinal ulcers from coming back after they have healed.
Compared with Wisconsin prescribers
Dr. Ewing Haas wrote 32 prescriptions for Famotidine, about 71% as often as the typical Wisconsin prescriber of it (45). Medicare paid $15.44 per fill, versus $14.60 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 certain mental/mood disorders (such as depression, panic attacks, obsessive compulsive disorder, post-traumatic stress disorder, social anxiety disorder).
Compared with Wisconsin prescribers
Dr. Ewing Haas wrote 30 prescriptions for Sertraline Hcl, about 40% as often as the typical Wisconsin prescriber of it (75). Medicare paid $8.58 per fill, versus $10.33 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
Gabapentin is used with other medications to prevent and control seizures.
Compared with Wisconsin prescribers
Dr. Ewing Haas wrote 25 prescriptions for Gabapentin, about 28% as often as the typical Wisconsin prescriber of it (89). Medicare paid $29.37 per fill, versus $17.24 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
Simvastatin 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. Ewing Haas wrote 25 prescriptions for Simvastatin, about 31% as often as the typical Wisconsin prescriber of it (82). Medicare paid $6.53 per fill, versus $8.75 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
Benazepril is used to treat high blood pressure (hypertension).
Compared with Wisconsin prescribers
Dr. Ewing Haas wrote 23 prescriptions for Benazepril Hcl, about as often as the typical Wisconsin prescriber of it (23). Medicare paid $15.88 per fill, versus $11.43 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
Metformin is used with a proper diet and exercise program and possibly with other medications to control high blood sugar.
Compared with Wisconsin prescribers
Dr. Ewing Haas wrote 23 prescriptions for Metformin Hcl, about 29% as often as the typical Wisconsin prescriber of it (78). Medicare paid $4.48 per fill, versus $8.63 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 depression.
Compared with Wisconsin prescribers
Dr. Ewing Haas wrote 23 prescriptions for Trazodone Hcl, about 35% as often as the typical Wisconsin prescriber of it (65). Medicare paid $9.82 per fill, versus $9.53 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 certain mental/mood disorders (such as depression, anxiety).
Compared with Wisconsin prescribers
Dr. Ewing Haas wrote 22 prescriptions for Escitalopram Oxalate, about half as often as the typical Wisconsin prescriber of it (52). Medicare paid $7.45 per fill, versus $11.45 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. Ewing Haas wrote 19 prescriptions for Furosemide, about 20% as often as the typical Wisconsin prescriber of it (93). Medicare paid $8.84 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.
What it is used for
Montelukast is used to control and prevent symptoms caused by asthma (such as wheezing and shortness of breath).
Compared with Wisconsin prescribers
Dr. Ewing Haas wrote 19 prescriptions for Montelukast Sodium, about 41% as often as the typical Wisconsin prescriber of it (47). Medicare paid $17.23 per fill, versus $11.02 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 certain mental/mood disorders (such as depression, anxiety, panic attacks, and social anxiety disorder).
Compared with Wisconsin prescribers
Dr. Ewing Haas wrote 19 prescriptions for Venlafaxine Hcl Er, about half as often as the typical Wisconsin prescriber of it (38). Medicare paid $21.10 per fill, versus $21.82 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 depression.
Compared with Wisconsin prescribers
Dr. Ewing Haas wrote 18 prescriptions for Mirtazapine, about 40% as often as the typical Wisconsin prescriber of it (45). Medicare paid $26.34 per fill, versus $21.12 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 certain mental/mood disorders (such as depression, anxiety).
Compared with Wisconsin prescribers
Dr. Ewing Haas wrote 17 prescriptions for Duloxetine Hcl, about 32% as often as the typical Wisconsin prescriber of it (53). Medicare paid $54.38 per fill, versus $24.63 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
Empagliflozin is used with a proper diet and exercise program to control high blood sugar in people with type 2 diabetes.
Compared with Wisconsin prescribers
Dr. Ewing Haas wrote 17 prescriptions for Jardiance, about 33% as often as the typical Wisconsin prescriber of it (52). Medicare paid $1,425.93 per fill, versus $1,030.82 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
Fluticasone is used to relieve seasonal and year-round allergic and non-allergic nasal symptoms, such as stuffy/runny nose, itching, and sneezing.
Compared with Wisconsin prescribers
Dr. Ewing Haas wrote 16 prescriptions for Fluticasone Propionate, about 33% as often as the typical Wisconsin prescriber of it (49). Medicare paid $29.64 per fill, versus $17.13 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
Tirzepatide is used with a proper diet and exercise program to control high blood sugar in people with type 2 diabetes.
Compared with Wisconsin prescribers
Dr. Ewing Haas wrote 16 prescriptions for Mounjaro, about half as often as the typical Wisconsin prescriber of it (38). Medicare paid $1,024.14 per fill, versus $1,221.38 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
Pantoprazole is used to treat certain stomach and esophagus problems (such as acid reflux).
Compared with Wisconsin prescribers
Dr. Ewing Haas wrote 16 prescriptions for Pantoprazole Sodium, about 20% as often as the typical Wisconsin prescriber of it (78). Medicare paid $19.07 per fill, versus $13.88 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
Albuterol (also known as salbutamol) is used to prevent and treat wheezing and shortness of breath caused by breathing problems (such as asthma, chronic obstructive pulmonary disease).
Compared with Wisconsin prescribers
Dr. Ewing Haas wrote 14 prescriptions for Albuterol Sulfate Hfa, about 21% as often as the typical Wisconsin prescriber of it (65). Medicare paid $16.61 per fill, versus $29.79 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
Ezetimibe is used along with a low cholesterol/low fat diet and exercise to help lower cholesterol in the blood.
Compared with Wisconsin prescribers
Dr. Ewing Haas wrote 14 prescriptions for Ezetimibe, about 31% as often as the typical Wisconsin prescriber of it (45). Medicare paid $7.82 per fill, versus $19.97 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
Allopurinol is used to treat gout and certain types of kidney stones.
Compared with Wisconsin prescribers
Dr. Ewing Haas wrote 13 prescriptions for Allopurinol, about 23% as often as the typical Wisconsin prescriber of it (57). Medicare paid $7.39 per fill, versus $10.46 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
Glimepiride is used with a proper diet and exercise program to control high blood sugar in people with type 2 diabetes.
Compared with Wisconsin prescribers
Dr. Ewing Haas wrote 13 prescriptions for Glimepiride, about 34% as often as the typical Wisconsin prescriber of it (38). Medicare paid $4.44 per fill, versus $8.62 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
Diltiazem is used to treat high blood pressure (hypertension) and prevent chest pain (angina).
Compared with Wisconsin prescribers
Dr. Ewing Haas wrote 12 prescriptions for Diltiazem 24hr Er (Cd), about 39% as often as the typical Wisconsin prescriber of it (31). Medicare paid $22.49 per fill, versus $28.16 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 drug is used to treat high blood pressure.
Compared with Wisconsin prescribers
Dr. Ewing Haas wrote 12 prescriptions for Losartan-Hydrochlorothiazide, about 36% as often as the typical Wisconsin prescriber of it (34). Medicare paid $20.09 per fill, versus $12.75 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 drug is used to treat high blood pressure.
Compared with Wisconsin prescribers
Dr. Ewing Haas wrote 12 prescriptions for Triamterene-Hydrochlorothiazid, about 40% as often as the typical Wisconsin prescriber of it (30). Medicare paid $7.32 per fill, versus $9.30 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 depression.
Compared with Wisconsin prescribers
Dr. Ewing Haas wrote 11 prescriptions for Bupropion Hcl Sr, about half as often as the typical Wisconsin prescriber of it (25). Medicare paid $17.98 per fill, versus $22.01 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 certain mental/mood disorders (such as depression, panic attacks, obsessive compulsive disorder).
Compared with Wisconsin prescribers
Dr. Ewing Haas wrote 11 prescriptions for Fluoxetine Hcl, about 25% as often as the typical Wisconsin prescriber of it (44). Medicare paid $8.07 per fill, versus $11.25 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
Levothyroxine is used to treat an underactive thyroid (hypothyroidism).
Compared with Wisconsin prescribers
Dr. Ewing Haas wrote 11 prescriptions for Synthroid, about 37% as often as the typical Wisconsin prescriber of it (30). Medicare paid $9.90 per fill, versus $56.28 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. Ewing Haas’s prescriptions
What does Dr. Ewing Haas prescribe most?
In 2024 Medicare Part D data, Dr. Ewing Haas's most prescribed medications were Atorvastatin Calcium (280), Lisinopril (124) and Metformin Hcl Er (106).
How does Dr. Ewing Haas's prescribing compare with other Wisconsin prescribers?
Of the 41 medications with a state comparison, Dr. Ewing Haas prescribes 2 more often than the typical Wisconsin prescriber, 4 about as often and 35 less often. Volume reflects practice size as well as prescribing habits.
Does this list show every medication Dr. Ewing Haas 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.
