DR. KATHERINE ANN VAN DRUNEN M.D.
Prescription History 1154761237
Family Medicine in Allendale, MI
What does Dr. Van Drunen prescribe?
In 2024, Dr. Van Drunen wrote 2,676 Medicare prescriptions for 72 medications. The most prescribed was Atorvastatin Calcium, with 275 prescriptions for 78 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. Van Drunen prescribes.
Medications 72 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 Michigan 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 Michigan prescribers
Dr. Van Drunen wrote 275 prescriptions for Atorvastatin Calcium, about 1.4 times as often as the typical Michigan prescriber of it (194). Medicare paid $17.61 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
Losartan is used to treat high blood pressure (hypertension) and to help protect the kidneys from damage due to diabetes.
Compared with Michigan prescribers
Dr. Van Drunen wrote 192 prescriptions for Losartan Potassium, about 1.7 times as often as the typical Michigan prescriber of it (115). Medicare paid $17.10 per fill, versus $12.96 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
Levothyroxine is used to treat an underactive thyroid (hypothyroidism).
Compared with Michigan prescribers
Dr. Van Drunen wrote 157 prescriptions for Levothyroxine Sodium, about as often as the typical Michigan prescriber of it (154). Medicare paid $18.53 per fill, versus $12.66 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
Amlodipine is used with or without other medications to treat high blood pressure.
Compared with Michigan prescribers
Dr. Van Drunen wrote 97 prescriptions for Amlodipine Besylate, about 72% as often as the typical Michigan prescriber of it (135). Medicare paid $8.61 per fill, versus $7.48 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
Lisinopril is used to treat high blood pressure.
Compared with Michigan prescribers
Dr. Van Drunen wrote 96 prescriptions for Lisinopril, about 77% as often as the typical Michigan prescriber of it (124). Medicare paid $10.29 per fill, versus $8.52 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
Omeprazole is used to treat certain stomach and esophagus problems (such as acid reflux, ulcers).
Compared with Michigan prescribers
Dr. Van Drunen wrote 94 prescriptions for Omeprazole, about 89% as often as the typical Michigan prescriber of it (105). Medicare paid $18.88 per fill, versus $14.15 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
Gabapentin is used with other medications to prevent and control seizures.
Compared with Michigan prescribers
Dr. Van Drunen wrote 90 prescriptions for Gabapentin, about as often as the typical Michigan prescriber of it (88). Medicare paid $18.92 per fill, versus $14.20 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
This medication is a beta-blocker used to treat chest pain (angina), heart failure, and high blood pressure.
Compared with Michigan prescribers
Dr. Van Drunen wrote 87 prescriptions for Metoprolol Succinate, about 79% as often as the typical Michigan prescriber of it (111). Medicare paid $18.87 per fill, versus $17.89 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
This medication is used to treat high blood pressure.
Compared with Michigan prescribers
Dr. Van Drunen wrote 82 prescriptions for Hydrochlorothiazide, about 1.2 times as often as the typical Michigan prescriber of it (67). Medicare paid $5.98 per fill, versus $5.14 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
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 Michigan prescribers
Dr. Van Drunen wrote 67 prescriptions for Simvastatin, about 89% as often as the typical Michigan prescriber of it (76). Medicare paid $16.53 per fill, versus $10.64 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
Metformin is used with a proper diet and exercise program and possibly with other medications to control high blood sugar.
Compared with Michigan prescribers
Dr. Van Drunen wrote 65 prescriptions for Metformin Hcl Er, about 1.4 times as often as the typical Michigan prescriber of it (48). Medicare paid $20.06 per fill, versus $13.31 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
This drug is used to treat high blood pressure.
Compared with Michigan prescribers
Dr. Van Drunen wrote 61 prescriptions for Losartan-Hydrochlorothiazide, about 1.6 times as often as the typical Michigan prescriber of it (37). Medicare paid $24.75 per fill, versus $20.99 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 Michigan prescribers
Dr. Van Drunen wrote 54 prescriptions for Albuterol Sulfate Hfa, about 82% as often as the typical Michigan prescriber of it (66). Medicare paid $41.94 per fill, versus $35.99 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
Tamsulosin is used by men to treat the symptoms of an enlarged prostate (benign prostatic hyperplasia-BPH).
Compared with Michigan prescribers
Dr. Van Drunen wrote 51 prescriptions for Tamsulosin Hcl, about half as often as the typical Michigan prescriber of it (87). Medicare paid $21.58 per fill, versus $19.34 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
This medication is used to treat certain mental/mood disorders (such as depression, anxiety).
Compared with Michigan prescribers
Dr. Van Drunen wrote 44 prescriptions for Escitalopram Oxalate, about 87% as often as the typical Michigan prescriber of it (50). Medicare paid $20.32 per fill, versus $13.56 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 high blood pressure.
Compared with Michigan prescribers
Dr. Van Drunen wrote 44 prescriptions for Lisinopril-Hydrochlorothiazide, about as often as the typical Michigan prescriber of it (39). Medicare paid $16.51 per fill, versus $12.18 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
Metformin is used with a proper diet and exercise program and possibly with other medications to control high blood sugar.
Compared with Michigan prescribers
Dr. Van Drunen wrote 43 prescriptions for Metformin Hcl, about half as often as the typical Michigan prescriber of it (94). Medicare paid $10.65 per fill, versus $10.03 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 certain mental/mood disorders (such as depression, panic attacks, obsessive compulsive disorder, post-traumatic stress disorder, social anxiety disorder).
Compared with Michigan prescribers
Dr. Van Drunen wrote 41 prescriptions for Sertraline Hcl, about 66% as often as the typical Michigan prescriber of it (62). Medicare paid $21.43 per fill, versus $11.70 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
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 Michigan prescribers
Dr. Van Drunen wrote 38 prescriptions for Fluticasone Propionate, about 75% as often as the typical Michigan prescriber of it (51). Medicare paid $21.28 per fill, versus $15.48 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
Carvedilol is used to treat high blood pressure and heart failure.
Compared with Michigan prescribers
Dr. Van Drunen wrote 36 prescriptions for Carvedilol, about half as often as the typical Michigan prescriber of it (61). Medicare paid $17.48 per fill, versus $12.41 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
This medication is used to treat certain mental/mood disorders (such as depression, anxiety).
Compared with Michigan prescribers
Dr. Van Drunen wrote 35 prescriptions for Duloxetine Hcl, about 68% as often as the typical Michigan prescriber of it (51). Medicare paid $37.68 per fill, versus $27.08 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
This medication is a beta blocker used to treat high blood pressure, irregular heartbeats, shaking (tremors), and other conditions as determined by your doctor.
Compared with Michigan prescribers
Dr. Van Drunen wrote 35 prescriptions for Propranolol Hcl Er, about 1.6 times as often as the typical Michigan prescriber of it (22). Medicare paid $39.43 per fill, versus $47.90 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 Michigan prescribers
Dr. Van Drunen wrote 35 prescriptions for Rosuvastatin Calcium, about 37% as often as the typical Michigan prescriber of it (96). Medicare paid $18.62 per fill, versus $18.43 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 treat certain mental/mood disorders (such as depression, panic attacks, obsessive compulsive disorder).
Compared with Michigan prescribers
Dr. Van Drunen wrote 34 prescriptions for Fluoxetine Hcl, about 89% as often as the typical Michigan prescriber of it (38). Medicare paid $13.25 per fill, versus $14.15 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
Pantoprazole is used to treat certain stomach and esophagus problems (such as acid reflux).
Compared with Michigan prescribers
Dr. Van Drunen wrote 32 prescriptions for Pantoprazole Sodium, about half as often as the typical Michigan prescriber of it (65). Medicare paid $32.06 per fill, versus $16.93 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 depression.
Compared with Michigan prescribers
Dr. Van Drunen wrote 30 prescriptions for Bupropion Xl, about 79% as often as the typical Michigan prescriber of it (38). Medicare paid $37.15 per fill, versus $26.37 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 depression.
Compared with Michigan prescribers
Dr. Van Drunen wrote 30 prescriptions for Trazodone Hcl, about half as often as the typical Michigan prescriber of it (63). Medicare paid $13.20 per fill, versus $10.57 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
Cyclobenzaprine is used short-term to treat muscle spasms.
Compared with Michigan prescribers
Dr. Van Drunen wrote 27 prescriptions for Cyclobenzaprine Hcl, about 68% as often as the typical Michigan prescriber of it (40). Medicare paid $5.10 per fill, versus $6.67 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
Finasteride is used to shrink an enlarged prostate (benign prostatic hyperplasia or BPH) in adult men.
Compared with Michigan prescribers
Dr. Van Drunen wrote 27 prescriptions for Finasteride, about half as often as the typical Michigan prescriber of it (50). Medicare paid $20.96 per fill, versus $17.21 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
See also Warning section.
Compared with Michigan prescribers
Dr. Van Drunen wrote 27 prescriptions for Tramadol Hcl, about half as often as the typical Michigan prescriber of it (51). Medicare paid $3.20 per fill, versus $5.99 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 Michigan prescribers
Dr. Van Drunen wrote 26 prescriptions for Alendronate Sodium, about 61% as often as the typical Michigan prescriber of it (43). Medicare paid $11.26 per fill, versus $11.55 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
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 Michigan prescribers
Dr. Van Drunen wrote 24 prescriptions for Eliquis, about 28% as often as the typical Michigan prescriber of it (87). Medicare paid $880.21 per fill, versus $945.56 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
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 Michigan prescribers
Dr. Van Drunen wrote 24 prescriptions for Furosemide, about 33% as often as the typical Michigan prescriber of it (73). Medicare paid $4.23 per fill, versus $5.64 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
Ibuprofen is used to relieve pain from various conditions such as headache, dental pain, menstrual cramps, muscle aches, or arthritis.
Compared with Michigan prescribers
Dr. Van Drunen wrote 23 prescriptions for Ibuprofen, about 61% as often as the typical Michigan prescriber of it (38). Medicare paid $12.79 per fill, versus $7.36 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 Michigan prescribers
Dr. Van Drunen wrote 23 prescriptions for Venlafaxine Hcl Er, about 71% as often as the typical Michigan prescriber of it (32). Medicare paid $53.74 per fill, versus $27.32 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
Hydroxyzine is used to treat itching caused by allergies.
Compared with Michigan prescribers
Dr. Van Drunen wrote 21 prescriptions for Hydroxyzine Hcl, about 71% as often as the typical Michigan prescriber of it (29). Medicare paid $5.25 per fill, versus $12.38 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
This medication is a hormone.
Compared with Michigan prescribers
Dr. Van Drunen wrote 20 prescriptions for Estradiol, about half as often as the typical Michigan prescriber of it (34). Medicare paid $110.71 per fill, versus $67.66 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
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 Michigan prescribers
Dr. Van Drunen wrote 19 prescriptions for Famotidine, about 37% as often as the typical Michigan prescriber of it (51). Medicare paid $6.50 per fill, versus $16.24 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
This medication is used to treat depression.
Compared with Michigan prescribers
Dr. Van Drunen wrote 19 prescriptions for Mirtazapine, about half as often as the typical Michigan prescriber of it (42). Medicare paid $57.07 per fill, versus $19.56 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 depression.
Compared with Michigan prescribers
Dr. Van Drunen wrote 17 prescriptions for Citalopram Hbr, about half as often as the typical Michigan prescriber of it (37). Medicare paid $13.30 per fill, versus $9.26 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
Donepezil is used to treat confusion (dementia) related to Alzheimer's disease.
Compared with Michigan prescribers
Dr. Van Drunen wrote 17 prescriptions for Donepezil Hcl, about 34% as often as the typical Michigan prescriber of it (49). Medicare paid $9.64 per fill, versus $16.85 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
Meloxicam is used to treat arthritis.
Compared with Michigan prescribers
Dr. Van Drunen wrote 17 prescriptions for Meloxicam, about 35% as often as the typical Michigan prescriber of it (49). Medicare paid $6.28 per fill, versus $5.07 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
Semaglutide is used with a proper diet and exercise program to control high blood sugar in people with type 2 diabetes.
Compared with Michigan prescribers
Dr. Van Drunen wrote 16 prescriptions for Ozempic, about 33% as often as the typical Michigan prescriber of it (49). Medicare paid $978.90 per fill, versus $1,328.10 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
Prednisone is used to treat conditions such as arthritis, blood disorders, breathing problems, severe allergies, skin diseases, cancer, eye problems, and immune system disorders.
Compared with Michigan prescribers
Dr. Van Drunen wrote 16 prescriptions for Prednisone, about 34% as often as the typical Michigan prescriber of it (47). Medicare paid $2.23 per fill, versus $4.15 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
This medication is used to treat a variety of skin conditions (such as eczema, dermatitis, allergies, rash).
Compared with Michigan prescribers
Dr. Van Drunen wrote 16 prescriptions for Triamcinolone Acetonide, about half as often as the typical Michigan prescriber of it (36). Medicare paid $3.23 per fill, versus $9.35 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
Allopurinol is used to treat gout and certain types of kidney stones.
Compared with Michigan prescribers
Dr. Van Drunen wrote 15 prescriptions for Allopurinol, about 32% as often as the typical Michigan prescriber of it (47). Medicare paid $13.72 per fill, versus $12.68 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
This combination medication is used to treat attention deficit hyperactivity disorder - ADHD.
Compared with Michigan prescribers
Dr. Van Drunen wrote 15 prescriptions for Dextroamphetamine-Amphetamine, about half as often as the typical Michigan prescriber of it (33). Medicare paid $21.38 per fill, versus $25.11 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 Michigan prescribers
Dr. Van Drunen wrote 15 prescriptions for Pravastatin Sodium, about 32% as often as the typical Michigan prescriber of it (46). Medicare paid $33.50 per fill, versus $17.35 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
This medicated gel contains testosterone.
Compared with Michigan prescribers
Dr. Van Drunen wrote 15 prescriptions for Testosterone, about 74% as often as the typical Michigan prescriber of it (20). Medicare paid $183.73 per fill, versus $170.20 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
Dulaglutide is used with a proper diet and exercise program to control high blood sugar in people with type 2 diabetes.
Compared with Michigan prescribers
Dr. Van Drunen wrote 15 prescriptions for Trulicity, about 38% as often as the typical Michigan prescriber of it (40). Medicare paid $1,960.45 per fill, versus $1,304.48 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
See also Warning section.
Compared with Michigan prescribers
Dr. Van Drunen wrote 14 prescriptions for Acetaminophen-Codeine, about 39% as often as the typical Michigan prescriber of it (35). Medicare paid $6.27 per fill, versus $15.76 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
Alprazolam is used to treat anxiety and panic disorders.
Compared with Michigan prescribers
Dr. Van Drunen wrote 14 prescriptions for Alprazolam, about 21% as often as the typical Michigan prescriber of it (66). Medicare paid $2.19 per fill, versus $4.91 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 medication is a hormone (estrogen).
Compared with Michigan prescribers
Dr. Van Drunen wrote 14 prescriptions for Estradiol Valerate, about 68% as often as the typical Michigan prescriber of it (21). Medicare paid $86.30 per fill, versus $136.26 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
Empagliflozin is used with a proper diet and exercise program to control high blood sugar in people with type 2 diabetes.
Compared with Michigan prescribers
Dr. Van Drunen wrote 14 prescriptions for Jardiance, about 26% as often as the typical Michigan prescriber of it (53). Medicare paid $1,557.39 per fill, versus $1,053.23 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
Lovastatin 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 Michigan prescribers
Dr. Van Drunen wrote 14 prescriptions for Lovastatin, about half as often as the typical Michigan prescriber of it (27). Medicare paid $25.78 per fill, versus $12.65 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 medication is an antibiotic used to treat bladder infections (acute cystitis).
Compared with Michigan prescribers
Dr. Van Drunen wrote 14 prescriptions for Nitrofurantoin Mono-Macro, about half as often as the typical Michigan prescriber of it (25). Medicare paid $7.43 per fill, versus $12.17 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 medication is a mineral supplement used to treat or prevent low amounts of potassium in the blood.
Compared with Michigan prescribers
Dr. Van Drunen wrote 14 prescriptions for Potassium Chloride, about 24% as often as the typical Michigan prescriber of it (58). Medicare paid $30.21 per fill, versus $23.31 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
This product is used to control and prevent symptoms (wheezing and shortness of breath) caused by asthma or ongoing lung disease (chronic obstructive pulmonary disease-COPD, which includes chronic bronchitis and emphysema).
Compared with Michigan prescribers
Dr. Van Drunen wrote 13 prescriptions for Budesonide-Formoterol Fumarate, about half as often as the typical Michigan prescriber of it (23). Medicare paid $311.06 per fill, versus $301.53 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
Glimepiride is used with a proper diet and exercise program to control high blood sugar in people with type 2 diabetes.
Compared with Michigan prescribers
Dr. Van Drunen wrote 13 prescriptions for Glimepiride, about 33% as often as the typical Michigan prescriber of it (39). Medicare paid $10.06 per fill, versus $11.20 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
This medication is used to treat a variety of skin conditions (such as insect bites, poison oak/ivy, eczema, dermatitis, allergies, rash, itching of the outer female genitals, anal itching).
Compared with Michigan prescribers
Dr. Van Drunen wrote 13 prescriptions for Hydrocortisone, about 41% as often as the typical Michigan prescriber of it (32). Medicare paid $3.76 per fill, versus $16.24 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
Lisdexamfetamine is used to treat attention deficit hyperactivity disorder (ADHD) as part of a total treatment plan, including psychological, social, and other treatments.
Compared with Michigan prescribers
Dr. Van Drunen wrote 13 prescriptions for Vyvanse, about 73% as often as the typical Michigan prescriber of it (18). Medicare paid $405.03 per fill, versus $392.46 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
This combination medication is used to treat attention deficit hyperactivity disorder - ADHD.
Compared with Michigan prescribers
Dr. Van Drunen wrote 12 prescriptions for Dextroamphetamine-Amphet Er, about half as often as the typical Michigan prescriber of it (22). Medicare paid $25.38 per fill, versus $42.91 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 control and prevent symptoms (wheezing and shortness of breath) caused by asthma or ongoing lung disease (chronic obstructive pulmonary disease-COPD, which includes chronic bronchitis and emphysema).
Compared with Michigan prescribers
Dr. Van Drunen wrote 12 prescriptions for Fluticasone-Salmeterol, about half as often as the typical Michigan prescriber of it (28). Medicare paid $344.69 per fill, versus $193.86 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 Michigan prescribers
Dr. Van Drunen wrote 12 prescriptions for Metoprolol Tartrate, about 17% as often as the typical Michigan prescriber of it (69). Medicare paid $6.82 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
Montelukast is used to control and prevent symptoms caused by asthma (such as wheezing and shortness of breath).
Compared with Michigan prescribers
Dr. Van Drunen wrote 12 prescriptions for Montelukast Sodium, about 22% as often as the typical Michigan prescriber of it (54). Medicare paid $24.10 per fill, versus $14.87 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
Tirzepatide is used with a proper diet and exercise program to control high blood sugar in people with type 2 diabetes.
Compared with Michigan prescribers
Dr. Van Drunen wrote 12 prescriptions for Mounjaro, about 25% as often as the typical Michigan prescriber of it (47). Medicare paid $1,710.60 per fill, versus $1,238.22 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 Michigan prescribers
Dr. Van Drunen wrote 12 prescriptions for Synthroid, about half as often as the typical Michigan prescriber of it (27). Medicare paid $58.74 per fill, versus $75.57 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
Baclofen is used to treat muscle spasms caused by certain conditions (such as multiple sclerosis, spinal cord injury/disease).
Compared with Michigan prescribers
Dr. Van Drunen wrote 11 prescriptions for Baclofen, about 29% as often as the typical Michigan prescriber of it (38). Medicare paid $8.65 per fill, versus $18.28 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
This medication is a nonsteroidal anti-inflammatory drug (NSAID), specifically a COX-2 inhibitor, which relieves pain and swelling (inflammation).
Compared with Michigan prescribers
Dr. Van Drunen wrote 11 prescriptions for Celecoxib, about 31% as often as the typical Michigan prescriber of it (35). Medicare paid $28.91 per fill, versus $26.11 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 attention deficit hyperactivity disorder - ADHD.
Compared with Michigan prescribers
Dr. Van Drunen wrote 11 prescriptions for Dextroamphetamine Sulfate, about 77% as often as the typical Michigan prescriber of it (14). Medicare paid $30.27 per fill, versus $69.58 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
See also Warning section.
Compared with Michigan prescribers
Dr. Van Drunen wrote 11 prescriptions for Promethazine Hcl, about 40% as often as the typical Michigan prescriber of it (28). Medicare paid $35.62 per fill, versus $9.38 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
Topiramate is used alone or with other medications to prevent and control seizures (epilepsy).
Compared with Michigan prescribers
Dr. Van Drunen wrote 11 prescriptions for Topiramate, about 33% as often as the typical Michigan prescriber of it (33). Medicare paid $12.52 per fill, versus $14.50 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. Van Drunen’s prescriptions
What does Dr. Van Drunen prescribe most?
In 2024 Medicare Part D data, Dr. Van Drunen's most prescribed medications were Atorvastatin Calcium (275), Losartan Potassium (192) and Levothyroxine Sodium (157).
How does Dr. Van Drunen's prescribing compare with other Michigan prescribers?
Of the 72 medications with a state comparison, Dr. Van Drunen prescribes 5 more often than the typical Michigan prescriber, 13 about as often and 54 less often. Volume reflects practice size as well as prescribing habits.
Does this list show every medication Dr. Van Drunen 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 Michigan 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.
