NATALIA VASIUK MD
Prescription History 1801050737
Family Medicine in San Diego, CA
What does Dr. Vasiuk prescribe?
In 2024, Dr. Vasiuk wrote 2,712 Medicare prescriptions for 71 medications. The most prescribed was Amlodipine Besylate, with 193 prescriptions for 57 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. Vasiuk prescribes.
Medications 71 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 California prescribers.
What it is used for
Amlodipine is used with or without other medications to treat high blood pressure.
Compared with California prescribers
Dr. Vasiuk wrote 193 prescriptions for Amlodipine Besylate, about 1.4 times as often as the typical California prescriber of it (141). Medicare paid $3.93 per fill, versus $7.08 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
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 California prescribers
Dr. Vasiuk wrote 186 prescriptions for Atorvastatin Calcium, about as often as the typical California prescriber of it (202). Medicare paid $9.67 per fill, versus $10.47 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 California prescribers
Dr. Vasiuk wrote 176 prescriptions for Losartan Potassium, about 1.5 times as often as the typical California prescriber of it (121). Medicare paid $10.48 per fill, versus $10.35 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
Levothyroxine is used to treat an underactive thyroid (hypothyroidism).
Compared with California prescribers
Dr. Vasiuk wrote 157 prescriptions for Levothyroxine Sodium, about 1.3 times as often as the typical California prescriber of it (125). Medicare paid $16.17 per fill, versus $13.30 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
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 California prescribers
Dr. Vasiuk wrote 116 prescriptions for Rosuvastatin Calcium, about as often as the typical California prescriber of it (101). Medicare paid $13.07 per fill, versus $15.64 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
Gabapentin is used with other medications to prevent and control seizures.
Compared with California prescribers
Dr. Vasiuk wrote 101 prescriptions for Gabapentin, about 1.3 times as often as the typical California prescriber of it (80). Medicare paid $13.94 per fill, versus $15.63 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
Metformin is used with a proper diet and exercise program and possibly with other medications to control high blood sugar.
Compared with California prescribers
Dr. Vasiuk wrote 90 prescriptions for Metformin Hcl Er, about 1.6 times as often as the typical California prescriber of it (55). Medicare paid $12.91 per fill, versus $9.99 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
Lisinopril is used to treat high blood pressure.
Compared with California prescribers
Dr. Vasiuk wrote 88 prescriptions for Lisinopril, about as often as the typical California prescriber of it (98). Medicare paid $5.71 per fill, versus $8.30 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Alendronate is used to prevent and treat certain types of bone loss (osteoporosis) in adults.
Compared with California prescribers
Dr. Vasiuk wrote 77 prescriptions for Alendronate Sodium, about 1.3 times as often as the typical California prescriber of it (61). Medicare paid $43.77 per fill, versus $9.65 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
Metformin is used with a proper diet and exercise program and possibly with other medications to control high blood sugar.
Compared with California prescribers
Dr. Vasiuk wrote 61 prescriptions for Metformin Hcl, about 61% as often as the typical California prescriber of it (100). Medicare paid $5.13 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
This medication is used to treat high blood pressure.
Compared with California prescribers
Dr. Vasiuk wrote 56 prescriptions for Hydrochlorothiazide, about as often as the typical California prescriber of it (62). Medicare paid $1.34 per fill, versus $5.71 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
Omeprazole is used to treat certain stomach and esophagus problems (such as acid reflux, ulcers).
Compared with California prescribers
Dr. Vasiuk wrote 53 prescriptions for Omeprazole, about 68% as often as the typical California prescriber of it (78). Medicare paid $6.59 per fill, versus $11.26 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
Tamsulosin is used by men to treat the symptoms of an enlarged prostate (benign prostatic hyperplasia-BPH).
Compared with California prescribers
Dr. Vasiuk wrote 52 prescriptions for Tamsulosin Hcl, about 62% as often as the typical California prescriber of it (84). Medicare paid $14.01 per fill, versus $15.02 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is a nonsteroidal anti-inflammatory drug (NSAID), specifically a COX-2 inhibitor, which relieves pain and swelling (inflammation).
Compared with California prescribers
Dr. Vasiuk wrote 49 prescriptions for Celecoxib, about as often as the typical California prescriber of it (46). Medicare paid $21.60 per fill, versus $32.27 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 California prescribers
Dr. Vasiuk wrote 44 prescriptions for Eliquis, about 60% as often as the typical California prescriber of it (73). Medicare paid $1,195.18 per fill, versus $923.33 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
This medication is used to treat certain mental/mood disorders (such as depression, anxiety).
Compared with California prescribers
Dr. Vasiuk wrote 42 prescriptions for Escitalopram Oxalate, about 88% as often as the typical California prescriber of it (48). Medicare paid $12.27 per fill, versus $11.14 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
This medication is a beta-blocker used to treat chest pain (angina), heart failure, and high blood pressure.
Compared with California prescribers
Dr. Vasiuk wrote 42 prescriptions for Metoprolol Succinate, about half as often as the typical California prescriber of it (86). Medicare paid $16.00 per fill, versus $14.23 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
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 California prescribers
Dr. Vasiuk wrote 41 prescriptions for Simvastatin, about 65% as often as the typical California prescriber of it (63). Medicare paid $11.07 per fill, versus $9.03 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, anxiety).
Compared with California prescribers
Dr. Vasiuk wrote 37 prescriptions for Duloxetine Hcl, about as often as the typical California prescriber of it (40). Medicare paid $22.94 per fill, versus $24.72 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
Carvedilol is used to treat high blood pressure and heart failure.
Compared with California prescribers
Dr. Vasiuk wrote 36 prescriptions for Carvedilol, about 64% as often as the typical California prescriber of it (56). Medicare paid $16.56 per fill, versus $8.98 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
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 California prescribers
Dr. Vasiuk wrote 35 prescriptions for Famotidine, about 65% as often as the typical California prescriber of it (54). Medicare paid $10.16 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
Allopurinol is used to treat gout and certain types of kidney stones.
Compared with California prescribers
Dr. Vasiuk wrote 34 prescriptions for Allopurinol, about 77% as often as the typical California prescriber of it (44). Medicare paid $6.16 per fill, versus $10.39 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
Metoprolol is used with or without other medications to treat high blood pressure (hypertension).
Compared with California prescribers
Dr. Vasiuk wrote 34 prescriptions for Metoprolol Tartrate, about half as often as the typical California prescriber of it (57). Medicare paid $7.93 per fill, versus $7.82 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
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 California prescribers
Dr. Vasiuk wrote 34 prescriptions for Pravastatin Sodium, about 90% as often as the typical California prescriber of it (38). Medicare paid $14.41 per fill, versus $13.25 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This combination medication is used to relieve moderate to severe pain.
Compared with California prescribers
Dr. Vasiuk wrote 33 prescriptions for Hydrocodone-Acetaminophen, about half as often as the typical California prescriber of it (76). Medicare paid $21.26 per fill, versus $21.39 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
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 California prescribers
Dr. Vasiuk wrote 32 prescriptions for Sertraline Hcl, about 70% as often as the typical California prescriber of it (46). Medicare paid $11.05 per fill, versus $9.59 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
Cyclobenzaprine is used short-term to treat muscle spasms.
Compared with California prescribers
Dr. Vasiuk wrote 31 prescriptions for Cyclobenzaprine Hcl, about as often as the typical California prescriber of it (32). Medicare paid $7.10 per fill, versus $8.89 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
Dulaglutide is used with a proper diet and exercise program to control high blood sugar in people with type 2 diabetes.
Compared with California prescribers
Dr. Vasiuk wrote 30 prescriptions for Trulicity, about 80% as often as the typical California prescriber of it (37). Medicare paid $1,312.78 per fill, versus $1,230.75 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
Ezetimibe is used along with a low cholesterol/low fat diet and exercise to help lower cholesterol in the blood.
Compared with California prescribers
Dr. Vasiuk wrote 28 prescriptions for Ezetimibe, about half as often as the typical California prescriber of it (51). Medicare paid $20.57 per fill, versus $26.00 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
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 California prescribers
Dr. Vasiuk wrote 28 prescriptions for Fluticasone Propionate, about half as often as the typical California prescriber of it (50). Medicare paid $14.73 per fill, versus $15.10 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
Montelukast is used to control and prevent symptoms caused by asthma (such as wheezing and shortness of breath).
Compared with California prescribers
Dr. Vasiuk wrote 28 prescriptions for Montelukast Sodium, about half as often as the typical California prescriber of it (49). Medicare paid $19.92 per fill, versus $10.71 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
Empagliflozin is used with a proper diet and exercise program to control high blood sugar in people with type 2 diabetes.
Compared with California prescribers
Dr. Vasiuk wrote 27 prescriptions for Jardiance, about half as often as the typical California prescriber of it (58). Medicare paid $1,593.72 per fill, versus $933.82 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
Pantoprazole is used to treat certain stomach and esophagus problems (such as acid reflux).
Compared with California prescribers
Dr. Vasiuk wrote 26 prescriptions for Pantoprazole Sodium, about 40% as often as the typical California prescriber of it (65). Medicare paid $11.79 per fill, versus $13.87 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
This medication is used to treat depression.
Compared with California prescribers
Dr. Vasiuk wrote 26 prescriptions for Trazodone Hcl, about half as often as the typical California prescriber of it (57). Medicare paid $8.41 per fill, versus $9.93 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
Clonazepam is used to prevent and control seizures.
Compared with California prescribers
Dr. Vasiuk wrote 23 prescriptions for Clonazepam, about half as often as the typical California prescriber of it (40). Medicare paid $4.16 per fill, versus $7.09 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
This medication is used to help relieve moderate to severe pain.
Compared with California prescribers
Dr. Vasiuk wrote 23 prescriptions for Oxycodone Hcl, about half as often as the typical California prescriber of it (43). Medicare paid $8.76 per fill, versus $16.05 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 California prescribers
Dr. Vasiuk wrote 22 prescriptions for Synthroid, about half as often as the typical California prescriber of it (38). Medicare paid $41.23 per fill, versus $74.43 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
Tirzepatide is used with a proper diet and exercise program to control high blood sugar in people with type 2 diabetes.
Compared with California prescribers
Dr. Vasiuk wrote 21 prescriptions for Mounjaro, about half as often as the typical California prescriber of it (45). Medicare paid $980.62 per fill, versus $1,191.18 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
This medication is used to treat pain caused by nerve damage due to diabetes, shingles (herpes zoster) infection, or spinal cord injury.
Compared with California prescribers
Dr. Vasiuk wrote 21 prescriptions for Pregabalin, about half as often as the typical California prescriber of it (39). Medicare paid $35.10 per fill, versus $24.98 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 used to treat anxiety.
Compared with California prescribers
Dr. Vasiuk wrote 20 prescriptions for Buspirone Hcl, about half as often as the typical California prescriber of it (37). Medicare paid $10.36 per fill, versus $13.30 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Sumatriptan is used to treat migraines.
Compared with California prescribers
Dr. Vasiuk wrote 20 prescriptions for Sumatriptan Succinate, about 84% as often as the typical California prescriber of it (24). Medicare paid $5.13 per fill, versus $17.72 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
This medication is used to treat certain mental/mood disorders (such as depression, anxiety, panic attacks, and social anxiety disorder).
Compared with California prescribers
Dr. Vasiuk wrote 20 prescriptions for Venlafaxine Hcl Er, about 71% as often as the typical California prescriber of it (28). Medicare paid $37.61 per fill, versus $23.92 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
Zolpidem is used for a short time to treat a certain sleep problem (insomnia) in adults.
Compared with California prescribers
Dr. Vasiuk wrote 20 prescriptions for Zolpidem Tartrate, about half as often as the typical California prescriber of it (45). Medicare paid $6.79 per fill, versus $6.02 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
Insulin glargine is used with a proper diet and exercise program to control high blood sugar in people with diabetes.
Compared with California prescribers
Dr. Vasiuk wrote 19 prescriptions for Basaglar Kwikpen U-100, about 63% as often as the typical California prescriber of it (30). Medicare paid $130.14 per fill, versus $331.31 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 medication is used to treat depression.
Compared with California prescribers
Dr. Vasiuk wrote 19 prescriptions for Citalopram Hbr, about 64% as often as the typical California prescriber of it (30). Medicare paid $2.26 per fill, versus $8.24 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
See also Warning section.
Compared with California prescribers
Dr. Vasiuk wrote 19 prescriptions for Diclofenac Sodium, about 40% as often as the typical California prescriber of it (47). Medicare paid $29.48 per fill, versus $107.23 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
This drug is used to treat high blood pressure.
Compared with California prescribers
Dr. Vasiuk wrote 18 prescriptions for Losartan-Hydrochlorothiazide, about half as often as the typical California prescriber of it (39). Medicare paid $23.26 per fill, versus $13.09 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
Sitagliptin is used with a proper diet and exercise program and possibly with other medications to control high blood sugar.
Compared with California prescribers
Dr. Vasiuk wrote 17 prescriptions for Januvia, about 41% as often as the typical California prescriber of it (41). Medicare paid $1,478.71 per fill, versus $915.30 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
See also Warning section.
Compared with California prescribers
Dr. Vasiuk wrote 17 prescriptions for Tramadol Hcl, about 39% as often as the typical California prescriber of it (44). Medicare paid $1.47 per fill, versus $6.24 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
Amoxicillin/clavulanic acid is a combination penicillin-type antibiotic used to treat a wide variety of bacterial infections.
Compared with California prescribers
Dr. Vasiuk wrote 16 prescriptions for Amoxicillin-Clavulanate Potass, about 62% as often as the typical California prescriber of it (26). Medicare paid $9.11 per fill, versus $9.18 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
Semaglutide is used with a proper diet and exercise program to control high blood sugar in people with type 2 diabetes.
Compared with California prescribers
Dr. Vasiuk wrote 16 prescriptions for Ozempic, about 28% as often as the typical California prescriber of it (56). Medicare paid $1,171.39 per fill, versus $1,102.15 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
Hydroxyzine is used to treat itching caused by allergies.
Compared with California prescribers
Dr. Vasiuk wrote 15 prescriptions for Hydroxyzine Hcl, about half as often as the typical California prescriber of it (28). Medicare paid $9.10 per fill, versus $13.85 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 California prescribers
Dr. Vasiuk wrote 15 prescriptions for Meloxicam, about 30% as often as the typical California prescriber of it (50). Medicare paid $0.90 per fill, versus $4.39 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
This medication is used to treat a variety of skin conditions (such as eczema, dermatitis, allergies, rash).
Compared with California prescribers
Dr. Vasiuk wrote 15 prescriptions for Triamcinolone Acetonide, about 35% as often as the typical California prescriber of it (43). Medicare paid $13.90 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
Alprazolam is used to treat anxiety and panic disorders.
Compared with California prescribers
Dr. Vasiuk wrote 14 prescriptions for Alprazolam, about 28% as often as the typical California prescriber of it (50). Medicare paid $1.87 per fill, versus $5.37 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
Atenolol is used with or without other medications to treat high blood pressure (hypertension).
Compared with California prescribers
Dr. Vasiuk wrote 14 prescriptions for Atenolol, about 28% as often as the typical California prescriber of it (50). Medicare paid $4.79 per fill, versus $9.20 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 relieve nasal symptoms such as runny/itching/stuffy nose, sneezing, and post-nasal drip caused by allergies or other conditions.
Compared with California prescribers
Dr. Vasiuk wrote 14 prescriptions for Azelastine Hcl, about 30% as often as the typical California prescriber of it (47). Medicare paid $18.26 per fill, versus $22.82 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
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 California prescribers
Dr. Vasiuk wrote 14 prescriptions for Furosemide, about 22% as often as the typical California prescriber of it (64). Medicare paid $4.00 per fill, versus $6.39 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
Ketoconazole is used to treat skin infections such as athlete's foot, jock itch, ringworm, and certain kinds of dandruff.
Compared with California prescribers
Dr. Vasiuk wrote 14 prescriptions for Ketoconazole, about 28% as often as the typical California prescriber of it (49). Medicare paid $13.64 per fill, versus $21.18 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
This medication is used to treat anxiety.
Compared with California prescribers
Dr. Vasiuk wrote 14 prescriptions for Lorazepam, about 32% as often as the typical California prescriber of it (43). Medicare paid $1.34 per fill, versus $6.52 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
This medication is used to treat high blood pressure.
Compared with California prescribers
Dr. Vasiuk wrote 13 prescriptions for Lisinopril-Hydrochlorothiazide, about 33% as often as the typical California prescriber of it (39). Medicare paid $4.27 per fill, versus $10.59 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
Evolocumab is used along with a proper diet to help lower "bad" cholesterol (LDL) in the blood.
Compared with California prescribers
Dr. Vasiuk wrote 13 prescriptions for Repatha Sureclick, about 25% as often as the typical California prescriber of it (52). Medicare paid $503.06 per fill, versus $834.40 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
Benazepril is used to treat high blood pressure (hypertension).
Compared with California prescribers
Dr. Vasiuk wrote 12 prescriptions for Benazepril Hcl, about 35% as often as the typical California prescriber of it (35). Medicare paid $32.67 per fill, versus $11.17 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
Finasteride is used to shrink an enlarged prostate (benign prostatic hyperplasia or BPH) in adult men.
Compared with California prescribers
Dr. Vasiuk wrote 12 prescriptions for Finasteride, about 21% as often as the typical California prescriber of it (56). Medicare paid $18.71 per fill, versus $13.71 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
Ibuprofen is used to relieve pain from various conditions such as headache, dental pain, menstrual cramps, muscle aches, or arthritis.
Compared with California prescribers
Dr. Vasiuk wrote 12 prescriptions for Ibuprofen, about 29% as often as the typical California prescriber of it (42). Medicare paid $2.33 per fill, versus $6.71 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to treat a certain sleep problem (insomnia).
Compared with California prescribers
Dr. Vasiuk wrote 12 prescriptions for Temazepam, about half as often as the typical California prescriber of it (28). Medicare paid $3.67 per fill, versus $13.53 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to treat fungal infections of the fingernails and toenails.
Compared with California prescribers
Dr. Vasiuk wrote 11 prescriptions for Ciclopirox, about 35% as often as the typical California prescriber of it (32). Medicare paid $36.52 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
See also Warning section.
Compared with California prescribers
Dr. Vasiuk wrote 11 prescriptions for Linzess, about 22% as often as the typical California prescriber of it (49). Medicare paid $701.33 per fill, versus $699.60 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to treat depression.
Compared with California prescribers
Dr. Vasiuk wrote 11 prescriptions for Mirtazapine, about 27% as often as the typical California prescriber of it (40). Medicare paid $21.72 per fill, versus $19.05 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 California prescribers
Dr. Vasiuk wrote 11 prescriptions for Potassium Chloride, about 23% as often as the typical California prescriber of it (48). Medicare paid $18.14 per fill, versus $24.00 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
Valacyclovir is used to treat infections caused by certain types of viruses.
Compared with California prescribers
Dr. Vasiuk wrote 11 prescriptions for Valacyclovir, about half as often as the typical California prescriber of it (22). Medicare paid $56.11 per fill, versus $35.75 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. Vasiuk’s prescriptions
What does Dr. Vasiuk prescribe most?
In 2024 Medicare Part D data, Dr. Vasiuk's most prescribed medications were Amlodipine Besylate (193), Atorvastatin Calcium (186) and Losartan Potassium (176).
How does Dr. Vasiuk's prescribing compare with other California prescribers?
Of the 71 medications with a state comparison, Dr. Vasiuk prescribes 6 more often than the typical California prescriber, 12 about as often and 53 less often. Volume reflects practice size as well as prescribing habits.
Does this list show every medication Dr. Vasiuk 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 California 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.
