DR. LYNN JOAN CRONIN M.D.
Prescription History 1194716621
Internal Medicine - Cardiovascular Disease in Norfolk, VA
What does Dr. Cronin prescribe?
In 2024, Dr. Cronin wrote 3,620 Medicare prescriptions for 41 medications. The most prescribed was Eliquis (apixaban), with 466 prescriptions for 129 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. Cronin 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 Virginia prescribers.
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 Virginia prescribers
Dr. Cronin wrote 466 prescriptions for Eliquis, about 5.5 times as often as the typical Virginia prescriber of it (85). Medicare paid $1,137.65 per fill, versus $886.94 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
This medication is a beta-blocker used to treat chest pain (angina), heart failure, and high blood pressure.
Compared with Virginia prescribers
Dr. Cronin wrote 324 prescriptions for Metoprolol Succinate, about 3.4 times as often as the typical Virginia prescriber of it (95). Medicare paid $27.90 per fill, versus $13.15 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 Virginia prescribers
Dr. Cronin wrote 286 prescriptions for Xarelto, about 7.8 times as often as the typical Virginia prescriber of it (37). Medicare paid $1,025.69 per fill, versus $955.42 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 Virginia prescribers
Dr. Cronin wrote 246 prescriptions for Atorvastatin Calcium, about 1.4 times as often as the typical Virginia prescriber of it (175). Medicare paid $16.60 per fill, versus $9.39 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
Losartan is used to treat high blood pressure (hypertension) and to help protect the kidneys from damage due to diabetes.
Compared with Virginia prescribers
Dr. Cronin wrote 221 prescriptions for Losartan Potassium, about 2.1 times as often as the typical Virginia prescriber of it (106). Medicare paid $18.00 per fill, versus $8.85 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
Carvedilol is used to treat high blood pressure and heart failure.
Compared with Virginia prescribers
Dr. Cronin wrote 177 prescriptions for Carvedilol, about 2.8 times as often as the typical Virginia prescriber of it (64). Medicare paid $16.52 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
Metoprolol is used with or without other medications to treat high blood pressure (hypertension).
Compared with Virginia prescribers
Dr. Cronin wrote 141 prescriptions for Metoprolol Tartrate, about 2.3 times as often as the typical Virginia prescriber of it (61). Medicare paid $13.15 per fill, versus $6.35 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 Virginia prescribers
Dr. Cronin wrote 138 prescriptions for Furosemide, about 1.8 times as often as the typical Virginia prescriber of it (78). Medicare paid $7.03 per fill, versus $4.94 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 Virginia prescribers
Dr. Cronin wrote 123 prescriptions for Lisinopril, about 1.2 times as often as the typical Virginia prescriber of it (103). Medicare paid $12.46 per fill, versus $6.16 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
Amlodipine is used with or without other medications to treat high blood pressure.
Compared with Virginia prescribers
Dr. Cronin wrote 116 prescriptions for Amlodipine Besylate, about 82% as often as the typical Virginia prescriber of it (141). Medicare paid $9.50 per fill, versus $5.81 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 Virginia prescribers
Dr. Cronin wrote 111 prescriptions for Entresto, about 2.1 times as often as the typical Virginia prescriber of it (53). Medicare paid $1,224.36 per fill, versus $1,062.46 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
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 Virginia prescribers
Dr. Cronin wrote 97 prescriptions for Clopidogrel, about 2 times as often as the typical Virginia prescriber of it (49). Medicare paid $21.89 per fill, versus $11.21 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
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 Virginia prescribers
Dr. Cronin wrote 83 prescriptions for Rosuvastatin Calcium, about 77% as often as the typical Virginia prescriber of it (107). Medicare paid $24.92 per fill, versus $12.97 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
Spironolactone is used to treat high blood pressure and heart failure.
Compared with Virginia prescribers
Dr. Cronin wrote 79 prescriptions for Spironolactone, about 1.8 times as often as the typical Virginia prescriber of it (45). Medicare paid $13.10 per fill, versus $8.44 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 Virginia prescribers
Dr. Cronin wrote 75 prescriptions for Diltiazem 24hr Er (Cd), about 2.5 times as often as the typical Virginia prescriber of it (30). Medicare paid $31.05 per fill, versus $29.40 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 Virginia prescribers
Dr. Cronin wrote 72 prescriptions for Isosorbide Mononitrate Er, about 1.8 times as often as the typical Virginia prescriber of it (39). Medicare paid $23.57 per fill, versus $11.63 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 a mineral supplement used to treat or prevent low amounts of potassium in the blood.
Compared with Virginia prescribers
Dr. Cronin wrote 71 prescriptions for Potassium Chloride, about 1.3 times as often as the typical Virginia prescriber of it (56). Medicare paid $25.88 per fill, versus $20.16 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
Bisoprolol is used with or without other medications to treat high blood pressure (hypertension).
Compared with Virginia prescribers
Dr. Cronin wrote 65 prescriptions for Bisoprolol Fumarate, about 2.7 times as often as the typical Virginia prescriber of it (24). Medicare paid $56.09 per fill, versus $23.77 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 Virginia prescribers
Dr. Cronin wrote 63 prescriptions for Amiodarone Hcl, about 1.8 times as often as the typical Virginia prescriber of it (35). Medicare paid $16.85 per fill, versus $24.93 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
This medication is used to treat certain types of serious (possibly fatal) irregular heartbeat (such as sustained ventricular tachycardia and paroxysmal supraventricular tachycardia).
Compared with Virginia prescribers
Dr. Cronin wrote 58 prescriptions for Flecainide Acetate, about 1.3 times as often as the typical Virginia prescriber of it (44). Medicare paid $56.34 per fill, versus $40.43 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
This medication is used to relieve chest pain (angina) in people that have a certain heart condition (coronary artery disease).
Compared with Virginia prescribers
Dr. Cronin wrote 55 prescriptions for Nitroglycerin, about 1.9 times as often as the typical Virginia prescriber of it (29). Medicare paid $15.16 per fill, versus $12.44 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 Virginia prescribers
Dr. Cronin wrote 50 prescriptions for Ezetimibe, about as often as the typical Virginia prescriber of it (46). Medicare paid $39.98 per fill, versus $23.80 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
This medication is used to treat high blood pressure.
Compared with Virginia prescribers
Dr. Cronin wrote 50 prescriptions for Hydrochlorothiazide, about 67% as often as the typical Virginia prescriber of it (75). Medicare paid $8.04 per fill, versus $3.88 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
Empagliflozin is used with a proper diet and exercise program to control high blood sugar in people with type 2 diabetes.
Compared with Virginia prescribers
Dr. Cronin wrote 50 prescriptions for Jardiance, about as often as the typical Virginia prescriber of it (48). Medicare paid $928.51 per fill, versus $1,032.96 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 Virginia prescribers
Dr. Cronin wrote 47 prescriptions for Bumetanide, about 1.5 times as often as the typical Virginia prescriber of it (32). Medicare paid $53.27 per fill, versus $34.82 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 drug is used to treat high blood pressure.
Compared with Virginia prescribers
Dr. Cronin wrote 47 prescriptions for Losartan-Hydrochlorothiazide, about 1.2 times as often as the typical Virginia prescriber of it (38). Medicare paid $18.11 per fill, versus $11.08 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
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 Virginia prescribers
Dr. Cronin wrote 45 prescriptions for Torsemide, about 1.4 times as often as the typical Virginia prescriber of it (33). Medicare paid $19.83 per fill, versus $18.31 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
Ranolazine is used to treat a certain type of chest pain (chronic angina).
Compared with Virginia prescribers
Dr. Cronin wrote 37 prescriptions for Ranolazine Er, about 1.5 times as often as the typical Virginia prescriber of it (25). Medicare paid $73.80 per fill, versus $95.67 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
Dapagliflozin is used with a proper diet and exercise program to control high blood sugar in people with type 2 diabetes.
Compared with Virginia prescribers
Dr. Cronin wrote 26 prescriptions for Farxiga, about 65% as often as the typical Virginia prescriber of it (40). Medicare paid $1,160.25 per fill, versus $945.95 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 Virginia prescribers
Dr. Cronin wrote 25 prescriptions for Pravastatin Sodium, about half as often as the typical Virginia prescriber of it (53). Medicare paid $21.00 per fill, versus $11.34 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
Metolazone is a "water pill" (diuretic) that increases the amount of urine you make, which causes your body to get rid of excess water.
Compared with Virginia prescribers
Dr. Cronin wrote 22 prescriptions for Metolazone, about as often as the typical Virginia prescriber of it (21). Medicare paid $18.54 per fill, versus $20.59 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
Verapamil is used to treat high blood pressure.
Compared with Virginia prescribers
Dr. Cronin wrote 20 prescriptions for Verapamil Er, about as often as the typical Virginia prescriber of it (18). Medicare paid $36.88 per fill, versus $23.03 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
Evolocumab is used along with a proper diet to help lower "bad" cholesterol (LDL) in the blood.
Compared with Virginia prescribers
Dr. Cronin wrote 19 prescriptions for Repatha Sureclick, about 60% as often as the typical Virginia prescriber of it (31). Medicare paid $527.03 per fill, versus $931.49 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 Virginia prescribers
Dr. Cronin wrote 18 prescriptions for Simvastatin, about 27% as often as the typical Virginia prescriber of it (68). Medicare paid $16.41 per fill, versus $7.74 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
Amoxicillin is used to treat a wide variety of bacterial infections.
Compared with Virginia prescribers
Dr. Cronin wrote 17 prescriptions for Amoxicillin, about half as often as the typical Virginia prescriber of it (37). Medicare paid $1.05 per fill, versus $2.87 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 Virginia prescribers
Dr. Cronin wrote 16 prescriptions for Hydralazine Hcl, about half as often as the typical Virginia prescriber of it (38). Medicare paid $21.46 per fill, versus $13.17 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
This drug is used to treat high blood pressure.
Compared with Virginia prescribers
Dr. Cronin wrote 15 prescriptions for Triamterene-Hydrochlorothiazid, about half as often as the typical Virginia prescriber of it (26). Medicare paid $15.82 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
Atenolol is used with or without other medications to treat high blood pressure (hypertension).
Compared with Virginia prescribers
Dr. Cronin wrote 14 prescriptions for Atenolol, about 38% as often as the typical Virginia prescriber of it (37). Medicare paid $14.36 per fill, versus $6.73 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
This medication is a mineral supplement used to treat or prevent low amounts of potassium in the blood.
Compared with Virginia prescribers
Dr. Cronin wrote 12 prescriptions for Klor-Con M20, about half as often as the typical Virginia prescriber of it (21). Medicare paid $41.65 per fill, versus $19.44 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 high blood pressure, irregular heartbeats, shaking (tremors), and other conditions.
Compared with Virginia prescribers
Dr. Cronin wrote 12 prescriptions for Propranolol Hcl, about half as often as the typical Virginia prescriber of it (24). Medicare paid $25.22 per fill, versus $16.79 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
Verapamil is used to treat high blood pressure.
Compared with Virginia prescribers
Dr. Cronin wrote 11 prescriptions for Verapamil Sr, about 74% as often as the typical Virginia prescriber of it (15). Medicare paid $49.12 per fill, versus $85.93 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. Cronin’s prescriptions
What does Dr. Cronin prescribe most?
In 2024 Medicare Part D data, Dr. Cronin's most prescribed medications were Eliquis (466), Metoprolol Succinate (324) and Xarelto (286).
How does Dr. Cronin's prescribing compare with other Virginia prescribers?
Of the 41 medications with a state comparison, Dr. Cronin prescribes 21 more often than the typical Virginia prescriber, 8 about as often and 12 less often. Volume reflects practice size as well as prescribing habits.
Does this list show every medication Dr. Cronin 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 Virginia 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.
