BLAIR DILLARD ERB JR. MD
Prescription History 1265479521
Internal Medicine - Cardiovascular Disease in Bozeman, MT
What does Dr. Erb prescribe?
In 2024, Dr. Erb wrote 2,013 Medicare prescriptions for 28 medications. The most prescribed was Metoprolol Succinate, with 304 prescriptions for 90 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. Erb prescribes.
Medications 28 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 Montana prescribers.
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 Montana prescribers
Dr. Erb wrote 304 prescriptions for Metoprolol Succinate, about 3.2 times as often as the typical Montana prescriber of it (96). Medicare paid $18.27 per fill, versus $13.68 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 Montana prescribers
Dr. Erb wrote 192 prescriptions for Eliquis, about 2.7 times as often as the typical Montana prescriber of it (70). Medicare paid $1,255.96 per fill, versus $856.85 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
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 Montana prescribers
Dr. Erb wrote 161 prescriptions for Rosuvastatin Calcium, about 2 times as often as the typical Montana prescriber of it (79). Medicare paid $13.79 per fill, versus $11.51 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 Montana prescribers
Dr. Erb wrote 146 prescriptions for Atorvastatin Calcium, about as often as the typical Montana prescriber of it (156). Medicare paid $12.89 per fill, versus $9.17 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
Carvedilol is used to treat high blood pressure and heart failure.
Compared with Montana prescribers
Dr. Erb wrote 136 prescriptions for Carvedilol, about 2.7 times as often as the typical Montana prescriber of it (50). Medicare paid $8.31 per fill, versus $7.88 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
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 Montana prescribers
Dr. Erb wrote 100 prescriptions for Furosemide, about 1.5 times as often as the typical Montana prescriber of it (68). Medicare paid $7.67 per fill, versus $4.59 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
Losartan is used to treat high blood pressure (hypertension) and to help protect the kidneys from damage due to diabetes.
Compared with Montana prescribers
Dr. Erb wrote 96 prescriptions for Losartan Potassium, about 87% as often as the typical Montana prescriber of it (111). Medicare paid $10.50 per fill, versus $9.02 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
Empagliflozin is used with a proper diet and exercise program to control high blood sugar in people with type 2 diabetes.
Compared with Montana prescribers
Dr. Erb wrote 93 prescriptions for Jardiance, about 2.3 times as often as the typical Montana prescriber of it (41). Medicare paid $1,083.54 per fill, versus $959.03 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 Montana prescribers
Dr. Erb wrote 92 prescriptions for Spironolactone, about 1.9 times as often as the typical Montana prescriber of it (48). Medicare paid $9.73 per fill, versus $8.12 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
Ezetimibe is used along with a low cholesterol/low fat diet and exercise to help lower cholesterol in the blood.
Compared with Montana prescribers
Dr. Erb wrote 90 prescriptions for Ezetimibe, about 2.5 times as often as the typical Montana prescriber of it (36). Medicare paid $25.83 per fill, versus $22.71 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
Lisinopril is used to treat high blood pressure.
Compared with Montana prescribers
Dr. Erb wrote 66 prescriptions for Lisinopril, about 63% as often as the typical Montana prescriber of it (104). Medicare paid $7.54 per fill, versus $6.33 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
Dapagliflozin is used with a proper diet and exercise program to control high blood sugar in people with type 2 diabetes.
Compared with Montana prescribers
Dr. Erb wrote 62 prescriptions for Farxiga, about 2.1 times as often as the typical Montana prescriber of it (30). Medicare paid $1,054.76 per fill, versus $862.84 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 product is used to treat certain types of heart failure.
Compared with Montana prescribers
Dr. Erb wrote 53 prescriptions for Entresto, about 1.3 times as often as the typical Montana prescriber of it (42). Medicare paid $1,406.16 per fill, versus $986.41 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 Montana prescribers
Dr. Erb wrote 52 prescriptions for Repatha Sureclick, about 1.2 times as often as the typical Montana prescriber of it (42). Medicare paid $1,103.39 per fill, versus $784.89 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 Montana prescribers
Dr. Erb wrote 51 prescriptions for Amlodipine Besylate, about half as often as the typical Montana prescriber of it (109). Medicare paid $3.87 per fill, versus $5.61 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 Montana prescribers
Dr. Erb wrote 48 prescriptions for Metoprolol Tartrate, about as often as the typical Montana prescriber of it (48). Medicare paid $7.15 per fill, versus $6.01 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
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 Montana prescribers
Dr. Erb wrote 44 prescriptions for Xarelto, about 1.3 times as often as the typical Montana prescriber of it (35). Medicare paid $1,329.43 per fill, versus $921.98 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 Montana prescribers
Dr. Erb wrote 43 prescriptions for Potassium Chloride, about 63% as often as the typical Montana prescriber of it (68). Medicare paid $29.14 per fill, versus $20.28 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
Torsemide is used to reduce extra fluid in the body (edema) caused by conditions such as heart failure, liver disease, and kidney disease.
Compared with Montana prescribers
Dr. Erb wrote 32 prescriptions for Torsemide, about as often as the typical Montana prescriber of it (35). Medicare paid $22.08 per fill, versus $15.03 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 Montana prescribers
Dr. Erb wrote 23 prescriptions for Hydrochlorothiazide, about 37% as often as the typical Montana prescriber of it (61). Medicare paid $5.33 per fill, versus $3.80 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 Montana prescribers
Dr. Erb wrote 22 prescriptions for Repatha Syringe, about 1.3 times as often as the typical Montana prescriber of it (17). Medicare paid $784.93 per fill, versus $790.19 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 Montana prescribers
Dr. Erb wrote 19 prescriptions for Amiodarone Hcl, about half as often as the typical Montana prescriber of it (33). Medicare paid $14.06 per fill, versus $17.93 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
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 Montana prescribers
Dr. Erb wrote 18 prescriptions for Praluent Pen, about 82% as often as the typical Montana prescriber of it (22). Medicare paid $730.50 per fill, versus $684.28 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
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 Montana prescribers
Dr. Erb wrote 17 prescriptions for Clopidogrel, about half as often as the typical Montana prescriber of it (40). Medicare paid $10.86 per fill, versus $10.18 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 Montana prescribers
Dr. Erb wrote 16 prescriptions for Chlorthalidone, about half as often as the typical Montana prescriber of it (27). Medicare paid $19.86 per fill, versus $13.45 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
This medication is used to relieve chest pain (angina) in people that have a certain heart condition (coronary artery disease).
Compared with Montana prescribers
Dr. Erb wrote 14 prescriptions for Nitroglycerin, about half as often as the typical Montana prescriber of it (27). Medicare paid $10.87 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
Isosorbide mononitrate is used to prevent chest pain (angina) in patients with a certain heart condition (coronary artery disease).
Compared with Montana prescribers
Dr. Erb wrote 12 prescriptions for Isosorbide Mononitrate Er, about 36% as often as the typical Montana prescriber of it (33). Medicare paid $13.92 per fill, versus $11.37 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 certain type of heart failure (transthyretin-mediated amyloidosis).
Compared with Montana prescribers
Fewer than five Montana prescribers wrote this medication, so there is no state comparison.
Questions about Dr. Erb’s prescriptions
What does Dr. Erb prescribe most?
In 2024 Medicare Part D data, Dr. Erb's most prescribed medications were Metoprolol Succinate (304), Eliquis (192) and Rosuvastatin Calcium (161).
How does Dr. Erb's prescribing compare with other Montana prescribers?
Of the 27 medications with a state comparison, Dr. Erb prescribes 12 more often than the typical Montana prescriber, 6 about as often and 9 less often. Volume reflects practice size as well as prescribing habits.
Does this list show every medication Dr. Erb 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 Montana 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.