ZACHARY JOE MARANAR LESHEN M.D.
Prescription History 1285646729
Internal Medicine - Interventional Cardiology in Mishawaka, IN
What does Dr. Leshen prescribe?
In 2024, Dr. Leshen wrote 5,695 Medicare prescriptions for 44 medications. The most prescribed was Atorvastatin Calcium, with 740 prescriptions for 211 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. Leshen prescribes.
Medications 44 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 Indiana 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 Indiana prescribers
Dr. Leshen wrote 740 prescriptions for Atorvastatin Calcium, about 3.1 times as often as the typical Indiana prescriber of it (236). Medicare paid $8.76 per fill, versus $8.26 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
Clopidogrel is used to prevent heart attacks and strokes in persons with heart disease (recent heart attack), recent stroke, or blood circulation disease (peripheral vascular disease).
Compared with Indiana prescribers
Dr. Leshen wrote 564 prescriptions for Clopidogrel, about 7.5 times as often as the typical Indiana prescriber of it (76). Medicare paid $9.93 per fill, versus $10.14 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
Apixaban is used to prevent serious blood clots from forming due to a certain irregular heartbeat (atrial fibrillation) or after hip/knee replacement surgery.
Compared with Indiana prescribers
Dr. Leshen wrote 433 prescriptions for Eliquis, about 4.2 times as often as the typical Indiana prescriber of it (103). Medicare paid $1,294.01 per fill, versus $840.97 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
Lisinopril is used to treat high blood pressure.
Compared with Indiana prescribers
Dr. Leshen wrote 429 prescriptions for Lisinopril, about 3.2 times as often as the typical Indiana prescriber of it (132). Medicare paid $4.60 per fill, versus $5.63 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
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 Indiana prescribers
Dr. Leshen wrote 428 prescriptions for Rosuvastatin Calcium, about 4.1 times as often as the typical Indiana prescriber of it (105). Medicare paid $11.15 per fill, versus $10.86 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
Metoprolol is used with or without other medications to treat high blood pressure (hypertension).
Compared with Indiana prescribers
Dr. Leshen wrote 365 prescriptions for Metoprolol Tartrate, about 4.8 times as often as the typical Indiana prescriber of it (76). Medicare paid $5.76 per fill, versus $5.84 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 Indiana prescribers
Dr. Leshen wrote 275 prescriptions for Metoprolol Succinate, about 2.1 times as often as the typical Indiana prescriber of it (129). Medicare paid $12.62 per fill, versus $11.91 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
Carvedilol is used to treat high blood pressure and heart failure.
Compared with Indiana prescribers
Dr. Leshen wrote 252 prescriptions for Carvedilol, about 3.1 times as often as the typical Indiana prescriber of it (81). Medicare paid $7.71 per fill, versus $7.58 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 Indiana prescribers
Dr. Leshen wrote 210 prescriptions for Furosemide, about 2.1 times as often as the typical Indiana prescriber of it (99). Medicare paid $4.72 per fill, versus $4.55 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
Amlodipine is used with or without other medications to treat high blood pressure.
Compared with Indiana prescribers
Dr. Leshen wrote 209 prescriptions for Amlodipine Besylate, about 1.3 times as often as the typical Indiana prescriber of it (162). Medicare paid $4.82 per fill, versus $5.38 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
Ezetimibe is used along with a low cholesterol/low fat diet and exercise to help lower cholesterol in the blood.
Compared with Indiana prescribers
Dr. Leshen wrote 172 prescriptions for Ezetimibe, about 3.2 times as often as the typical Indiana prescriber of it (54). Medicare paid $19.98 per fill, versus $21.48 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 Indiana prescribers
Dr. Leshen wrote 168 prescriptions for Hydrochlorothiazide, about 2.2 times as often as the typical Indiana prescriber of it (77). Medicare paid $3.93 per fill, versus $3.70 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 Indiana prescribers
Dr. Leshen wrote 125 prescriptions for Losartan Potassium, about as often as the typical Indiana prescriber of it (118). Medicare paid $6.62 per fill, versus $8.08 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
Isosorbide mononitrate is used to prevent chest pain (angina) in patients with a certain heart condition (coronary artery disease).
Compared with Indiana prescribers
Dr. Leshen wrote 112 prescriptions for Isosorbide Mononitrate Er, about 2 times as often as the typical Indiana prescriber of it (57). Medicare paid $5.97 per fill, versus $10.73 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
Evolocumab is used along with a proper diet to help lower "bad" cholesterol (LDL) in the blood.
Compared with Indiana prescribers
Dr. Leshen wrote 111 prescriptions for Repatha Sureclick, about 2.4 times as often as the typical Indiana prescriber of it (46). Medicare paid $997.06 per fill, versus $968.69 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
Spironolactone is used to treat high blood pressure and heart failure.
Compared with Indiana prescribers
Dr. Leshen wrote 103 prescriptions for Spironolactone, about 1.9 times as often as the typical Indiana prescriber of it (55). Medicare paid $11.07 per fill, versus $8.00 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 Indiana prescribers
Dr. Leshen wrote 101 prescriptions for Warfarin Sodium, about 2.1 times as often as the typical Indiana prescriber of it (49). Medicare paid $8.67 per fill, versus $8.13 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
This medication is used to relieve chest pain (angina) in people that have a certain heart condition (coronary artery disease).
Compared with Indiana prescribers
Dr. Leshen wrote 93 prescriptions for Nitroglycerin, about 2.4 times as often as the typical Indiana prescriber of it (39). Medicare paid $14.95 per fill, versus $12.59 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
Rivaroxaban is used to prevent blood clots from forming due to a certain irregular heartbeat (atrial fibrillation) or after hip or knee replacement surgery.
Compared with Indiana prescribers
Dr. Leshen wrote 88 prescriptions for Xarelto, about 1.9 times as often as the typical Indiana prescriber of it (47). Medicare paid $1,282.80 per fill, versus $934.17 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
Ticagrelor is used along with low-dose aspirin to help prevent heart attack and stroke in people with a history of heart disease, stroke, or at increased risk for heart disease or stroke (for example, due to diabetes, history of transient ischemic attack-TIA).
Compared with Indiana prescribers
Dr. Leshen wrote 57 prescriptions for Brilinta, about 1.8 times as often as the typical Indiana prescriber of it (32). Medicare paid $210.25 per fill, versus $637.21 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
This medication is used to treat certain types of serious (possibly fatal) irregular heartbeat (such as recurrent ventricular fibrillation/tachycardia).
Compared with Indiana prescribers
Dr. Leshen wrote 55 prescriptions for Amiodarone Hcl, about as often as the typical Indiana prescriber of it (52). Medicare paid $16.91 per fill, versus $23.07 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
Enoxaparin is used to prevent and treat harmful blood clots.
Compared with Indiana prescribers
Dr. Leshen wrote 49 prescriptions for Enoxaparin Sodium, about 2.1 times as often as the typical Indiana prescriber of it (24). Medicare paid $10.48 per fill, versus $178.67 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 mineral supplement used to treat or prevent low amounts of potassium in the blood.
Compared with Indiana prescribers
Dr. Leshen wrote 49 prescriptions for Potassium Chloride, about 64% as often as the typical Indiana prescriber of it (77). Medicare paid $12.26 per fill, versus $19.91 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 product is used to treat certain types of heart failure.
Compared with Indiana prescribers
Dr. Leshen wrote 48 prescriptions for Entresto, about 77% as often as the typical Indiana prescriber of it (62). Medicare paid $1,746.54 per fill, versus $1,058.09 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
Ranolazine is used to treat a certain type of chest pain (chronic angina).
Compared with Indiana prescribers
Dr. Leshen wrote 46 prescriptions for Ranolazine Er, about 1.3 times as often as the typical Indiana prescriber of it (36). Medicare paid $180.81 per fill, versus $102.93 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
Ramipril is used to treat high blood pressure (hypertension).
Compared with Indiana prescribers
Dr. Leshen wrote 41 prescriptions for Ramipril, about 1.7 times as often as the typical Indiana prescriber of it (24). Medicare paid $3.74 per fill, versus $8.10 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
Digoxin is used to treat heart failure, usually along with other medications.
Compared with Indiana prescribers
Dr. Leshen wrote 39 prescriptions for Digoxin, about 1.2 times as often as the typical Indiana prescriber of it (34). Medicare paid $28.30 per fill, versus $23.67 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
Chlorthalidone is used to treat high blood pressure (hypertension).
Compared with Indiana prescribers
Dr. Leshen wrote 38 prescriptions for Chlorthalidone, about 1.3 times as often as the typical Indiana prescriber of it (29). Medicare paid $14.97 per fill, versus $14.53 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
Diltiazem is used to treat high blood pressure (hypertension) and prevent chest pain (angina).
Compared with Indiana prescribers
Dr. Leshen wrote 30 prescriptions for Diltiazem 24hr Er (Cd), about 76% as often as the typical Indiana prescriber of it (40). Medicare paid $11.79 per fill, versus $26.62 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
Atenolol is used with or without other medications to treat high blood pressure (hypertension).
Compared with Indiana prescribers
Dr. Leshen wrote 29 prescriptions for Atenolol, about 76% as often as the typical Indiana prescriber of it (38). Medicare paid $2.13 per fill, versus $5.86 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
Dapagliflozin is used with a proper diet and exercise program to control high blood sugar in people with type 2 diabetes.
Compared with Indiana prescribers
Dr. Leshen wrote 27 prescriptions for Farxiga, about 63% as often as the typical Indiana prescriber of it (43). Medicare paid $772.69 per fill, versus $915.66 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 Indiana prescribers
Dr. Leshen wrote 25 prescriptions for Pantoprazole Sodium, about 26% as often as the typical Indiana prescriber of it (95). Medicare paid $19.78 per fill, versus $12.28 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
Bumetanide is used to reduce extra fluid in the body (edema) caused by conditions such as heart failure, liver disease, and kidney disease.
Compared with Indiana prescribers
Dr. Leshen wrote 21 prescriptions for Bumetanide, about half as often as the typical Indiana prescriber of it (37). Medicare paid $33.73 per fill, versus $28.56 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 serious (possibly life-threatening) type of fast heartbeat called sustained ventricular tachycardia.
Compared with Indiana prescribers
Dr. Leshen wrote 21 prescriptions for Sotalol, about half as often as the typical Indiana prescriber of it (41). Medicare paid $23.08 per fill, versus $19.78 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
Hydralazine is used with or without other medications to treat high blood pressure.
Compared with Indiana prescribers
Dr. Leshen wrote 20 prescriptions for Hydralazine Hcl, about half as often as the typical Indiana prescriber of it (43). Medicare paid $23.29 per fill, versus $12.45 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
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 Indiana prescribers
Dr. Leshen wrote 20 prescriptions for Simvastatin, about 30% as often as the typical Indiana prescriber of it (66). Medicare paid $6.07 per fill, versus $6.72 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 Indiana prescribers
Dr. Leshen wrote 17 prescriptions for Jardiance, about 30% as often as the typical Indiana prescriber of it (58). Medicare paid $1,036.96 per fill, versus $1,017.54 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
Nebivolol is used to treat high blood pressure.
Compared with Indiana prescribers
Dr. Leshen wrote 15 prescriptions for Nebivolol Hcl, about half as often as the typical Indiana prescriber of it (25). Medicare paid $48.71 per fill, versus $55.66 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
Alirocumab is used by people who have blockage in the heart blood vessels to reduce the risk of heart attack, stroke, and certain types of chest pain that require treatment in a hospital.
Compared with Indiana prescribers
Dr. Leshen wrote 14 prescriptions for Praluent Pen, about half as often as the typical Indiana prescriber of it (25). Medicare paid $1,128.76 per fill, versus $822.65 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 Indiana prescribers
Dr. Leshen wrote 12 prescriptions for Triamterene-Hydrochlorothiazid, about 38% as often as the typical Indiana prescriber of it (31). Medicare paid $5.12 per fill, versus $7.39 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
Irbesartan is used to treat high blood pressure (hypertension) and to help protect the kidneys from damage due to diabetes.
Compared with Indiana prescribers
Dr. Leshen wrote 11 prescriptions for Irbesartan, about 36% as often as the typical Indiana prescriber of it (31). Medicare paid $10.79 per fill, versus $15.39 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
Pravastatin 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 Indiana prescribers
Dr. Leshen wrote 11 prescriptions for Pravastatin Sodium, about 19% as often as the typical Indiana prescriber of it (58). Medicare paid $5.62 per fill, versus $10.62 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
Evolocumab is used along with a proper diet to help lower "bad" cholesterol (LDL) in the blood.
Compared with Indiana prescribers
Dr. Leshen wrote 11 prescriptions for Repatha Syringe, about 62% as often as the typical Indiana prescriber of it (18). Medicare paid $1,538.37 per fill, versus $713.59 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 Indiana prescribers
Dr. Leshen wrote 11 prescriptions for Tiadylt Er, about 68% as often as the typical Indiana prescriber of it (16). Medicare paid $14.88 per fill, versus $31.33 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. Leshen’s prescriptions
What does Dr. Leshen prescribe most?
In 2024 Medicare Part D data, Dr. Leshen's most prescribed medications were Atorvastatin Calcium (740), Clopidogrel (564) and Eliquis (433).
How does Dr. Leshen's prescribing compare with other Indiana prescribers?
Of the 44 medications with a state comparison, Dr. Leshen prescribes 23 more often than the typical Indiana prescriber, 6 about as often and 15 less often. Volume reflects practice size as well as prescribing habits.
Does this list show every medication Dr. Leshen 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 Indiana 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.
