MARILYN OYAN LAPAIX
Prescription History 1861275927
Nurse Practitioner - Family in Lake Elsinore, CA
What does Marilyn Lapaix prescribe?
In 2024, Marilyn Lapaix wrote 2,391 Medicare prescriptions for 74 medications. The most prescribed was Atorvastatin Calcium, with 169 prescriptions for 45 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 Marilyn Lapaix prescribes.
Medications 74 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
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
Marilyn Lapaix wrote 169 prescriptions for Atorvastatin Calcium, about 83% as often as the typical California prescriber of it (202). Medicare paid $51.12 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
Gabapentin is used with other medications to prevent and control seizures.
Compared with California prescribers
Marilyn Lapaix wrote 133 prescriptions for Gabapentin, about 1.7 times as often as the typical California prescriber of it (80). Medicare paid $37.71 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
Losartan is used to treat high blood pressure (hypertension) and to help protect the kidneys from damage due to diabetes.
Compared with California prescribers
Marilyn Lapaix wrote 104 prescriptions for Losartan Potassium, about 86% as often as the typical California prescriber of it (121). Medicare paid $22.90 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
Metformin is used with a proper diet and exercise program and possibly with other medications to control high blood sugar.
Compared with California prescribers
Marilyn Lapaix wrote 96 prescriptions for Metformin Hcl, about as often as the typical California prescriber of it (100). Medicare paid $19.22 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
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
Marilyn Lapaix wrote 84 prescriptions for Furosemide, about 1.3 times as often as the typical California prescriber of it (64). Medicare paid $9.42 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
Icosapent ethyl is used along with certain other cholesterol medications ("statins" such as atorvastatin, simvastatin) to reduce the risk of heart attack, stroke, and certain types of heart problems that require treatment in a hospital.
Compared with California prescribers
Marilyn Lapaix wrote 80 prescriptions for Icosapent Ethyl, about 1.3 times as often as the typical California prescriber of it (61). Medicare paid $117.63 per fill, versus $209.56 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
Lisinopril is used to treat high blood pressure.
Compared with California prescribers
Marilyn Lapaix wrote 72 prescriptions for Lisinopril, about 74% as often as the typical California prescriber of it (98). Medicare paid $17.35 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
Marilyn Lapaix wrote 66 prescriptions for Alendronate Sodium, about as often as the typical California prescriber of it (61). Medicare paid $33.99 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
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
Marilyn Lapaix wrote 62 prescriptions for Famotidine, about as often as the typical California prescriber of it (54). Medicare paid $38.06 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
This medication is a beta-blocker used to treat chest pain (angina), heart failure, and high blood pressure.
Compared with California prescribers
Marilyn Lapaix wrote 58 prescriptions for Metoprolol Succinate, about 67% as often as the typical California prescriber of it (86). Medicare paid $20.36 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
Tamsulosin is used by men to treat the symptoms of an enlarged prostate (benign prostatic hyperplasia-BPH).
Compared with California prescribers
Marilyn Lapaix wrote 58 prescriptions for Tamsulosin Hcl, about 69% as often as the typical California prescriber of it (84). Medicare paid $50.70 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
Amlodipine is used with or without other medications to treat high blood pressure.
Compared with California prescribers
Marilyn Lapaix wrote 56 prescriptions for Amlodipine Besylate, about 40% as often as the typical California prescriber of it (141). Medicare paid $19.03 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
Pantoprazole is used to treat certain stomach and esophagus problems (such as acid reflux).
Compared with California prescribers
Marilyn Lapaix wrote 46 prescriptions for Pantoprazole Sodium, about 71% as often as the typical California prescriber of it (65). Medicare paid $80.40 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
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
Marilyn Lapaix wrote 43 prescriptions for Rosuvastatin Calcium, about half as often as the typical California prescriber of it (101). Medicare paid $63.39 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
This medication is used to treat depression.
Compared with California prescribers
Marilyn Lapaix wrote 41 prescriptions for Trazodone Hcl, about 72% as often as the typical California prescriber of it (57). Medicare paid $19.64 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
This medication is used to treat certain bladder problems (overactive bladder, neurogenic detrusor overactivity).
Compared with California prescribers
Marilyn Lapaix wrote 40 prescriptions for Mirabegron Er, about 1.5 times as often as the typical California prescriber of it (27). Medicare paid $153.36 per fill, versus $401.00 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
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
Marilyn Lapaix wrote 39 prescriptions for Eliquis, about half as often as the typical California prescriber of it (73). Medicare paid $424.32 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
Finasteride is used to shrink an enlarged prostate (benign prostatic hyperplasia or BPH) in adult men.
Compared with California prescribers
Marilyn Lapaix wrote 38 prescriptions for Finasteride, about 68% as often as the typical California prescriber of it (56). Medicare paid $35.31 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
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 California prescribers
Marilyn Lapaix wrote 37 prescriptions for Clopidogrel, about 76% as often as the typical California prescriber of it (48). Medicare paid $57.30 per fill, versus $12.42 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
Glipizide is used with a proper diet and exercise program to control high blood sugar in people with type 2 diabetes.
Compared with California prescribers
Marilyn Lapaix wrote 34 prescriptions for Glipizide, about 69% as often as the typical California prescriber of it (49). Medicare paid $14.48 per fill, versus $10.86 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to treat high blood pressure.
Compared with California prescribers
Marilyn Lapaix wrote 33 prescriptions for Hydrochlorothiazide, about half as often as the typical California prescriber of it (62). Medicare paid $8.00 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
Levothyroxine is used to treat an underactive thyroid (hypothyroidism).
Compared with California prescribers
Marilyn Lapaix wrote 33 prescriptions for Levothyroxine Sodium, about 26% as often as the typical California prescriber of it (125). Medicare paid $13.54 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
Memantine is used to treat moderate to severe confusion (dementia) related to Alzheimer's disease.
Compared with California prescribers
Marilyn Lapaix wrote 33 prescriptions for Memantine Hcl, about half as often as the typical California prescriber of it (56). Medicare paid $108.56 per fill, versus $29.89 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
Metoprolol is used with or without other medications to treat high blood pressure (hypertension).
Compared with California prescribers
Marilyn Lapaix wrote 33 prescriptions for Metoprolol Tartrate, about half as often as the typical California prescriber of it (57). Medicare paid $11.48 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
This medication is used to treat certain mental/mood disorders (such as schizophrenia, bipolar disorder, sudden episodes of mania or depression associated with bipolar disorder).
Compared with California prescribers
Marilyn Lapaix wrote 31 prescriptions for Quetiapine Fumarate, about half as often as the typical California prescriber of it (55). Medicare paid $86.29 per fill, versus $19.69 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Carvedilol is used to treat high blood pressure and heart failure.
Compared with California prescribers
Marilyn Lapaix wrote 30 prescriptions for Carvedilol, about half as often as the typical California prescriber of it (56). Medicare paid $36.83 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
This medication is used to treat certain mental/mood disorders (such as depression, anxiety).
Compared with California prescribers
Marilyn Lapaix wrote 29 prescriptions for Duloxetine Hcl, about 72% as often as the typical California prescriber of it (40). Medicare paid $78.50 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
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
Marilyn Lapaix wrote 29 prescriptions for Sertraline Hcl, about 63% as often as the typical California prescriber of it (46). Medicare paid $33.06 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
This combination medication is used to relieve moderate to severe pain.
Compared with California prescribers
Marilyn Lapaix wrote 28 prescriptions for Hydrocodone-Acetaminophen, about 37% as often as the typical California prescriber of it (76). Medicare paid $23.00 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
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 California prescribers
Marilyn Lapaix wrote 27 prescriptions for Albuterol Sulfate Hfa, about half as often as the typical California prescriber of it (58). Medicare paid $38.88 per fill, versus $28.70 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
This medication is used to treat certain mental/mood disorders (such as depression, anxiety).
Compared with California prescribers
Marilyn Lapaix wrote 25 prescriptions for Escitalopram Oxalate, about half as often as the typical California prescriber of it (48). Medicare paid $43.53 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 product is used to control and prevent symptoms (such as wheezing and shortness of breath) caused by asthma and ongoing lung disease (chronic obstructive pulmonary disease-COPD, which includes chronic bronchitis and emphysema).
Compared with California prescribers
Marilyn Lapaix wrote 25 prescriptions for Trelegy Ellipta, about half as often as the typical California prescriber of it (57). Medicare paid $680.08 per fill, versus $801.62 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Metformin is used with a proper diet and exercise program and possibly with other medications to control high blood sugar.
Compared with California prescribers
Marilyn Lapaix wrote 23 prescriptions for Metformin Hcl Er, about half as often as the typical California prescriber of it (55). Medicare paid $20.44 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
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
Marilyn Lapaix wrote 23 prescriptions for Ozempic, about 41% as often as the typical California prescriber of it (56). Medicare paid $995.25 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
See also Warning section.
Compared with California prescribers
Marilyn Lapaix wrote 23 prescriptions for Tramadol Hcl, about half as often as the typical California prescriber of it (44). Medicare paid $23.65 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
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 California prescribers
Marilyn Lapaix wrote 22 prescriptions for Budesonide-Formoterol Fumarate, about as often as the typical California prescriber of it (22). Medicare paid $122.06 per fill, versus $202.22 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
Dapagliflozin is used with a proper diet and exercise program to control high blood sugar in people with type 2 diabetes.
Compared with California prescribers
Marilyn Lapaix wrote 22 prescriptions for Dapagliflozin, about 70% as often as the typical California prescriber of it (31). Medicare paid $346.32 per fill, versus $540.34 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
Insulin glargine is used with a proper diet and exercise program to control high blood sugar in people with diabetes.
Compared with California prescribers
Marilyn Lapaix wrote 22 prescriptions for Insulin Glargine-Yfgn, about 74% as often as the typical California prescriber of it (30). Medicare paid $60.04 per fill, versus $113.40 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
This medication is used to treat depression.
Compared with California prescribers
Marilyn Lapaix wrote 22 prescriptions for Mirtazapine, about half as often as the typical California prescriber of it (40). Medicare paid $29.37 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
Baclofen is used to treat muscle spasms caused by certain conditions (such as multiple sclerosis, spinal cord injury/disease).
Compared with California prescribers
Marilyn Lapaix wrote 21 prescriptions for Baclofen, about half as often as the typical California prescriber of it (42). Medicare paid $38.44 per fill, versus $14.75 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
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
Marilyn Lapaix wrote 20 prescriptions for Fluticasone Propionate, about 40% as often as the typical California prescriber of it (50). Medicare paid $29.48 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
This medication is used to treat certain mental/mood disorders (such as schizophrenia, bipolar disorder, irritability associated with autistic disorder).
Compared with California prescribers
Marilyn Lapaix wrote 20 prescriptions for Risperidone, about 41% as often as the typical California prescriber of it (49). Medicare paid $63.64 per fill, versus $13.84 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
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
Marilyn Lapaix wrote 20 prescriptions for Trulicity, about half as often as the typical California prescriber of it (37). Medicare paid $1,001.85 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
Hydralazine is used with or without other medications to treat high blood pressure.
Compared with California prescribers
Marilyn Lapaix wrote 19 prescriptions for Hydralazine Hcl, about half as often as the typical California prescriber of it (43). Medicare paid $14.31 per fill, versus $14.35 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
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
Marilyn Lapaix wrote 19 prescriptions for Jardiance, about 33% as often as the typical California prescriber of it (58). Medicare paid $535.82 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
This medication is an antibiotic used to treat bladder infections (acute cystitis).
Compared with California prescribers
Marilyn Lapaix wrote 19 prescriptions for Nitrofurantoin Mono-Macro, about 74% as often as the typical California prescriber of it (26). Medicare paid $14.05 per fill, versus $13.21 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
Levetiracetam is used to treat seizures (epilepsy).
Compared with California prescribers
Marilyn Lapaix wrote 18 prescriptions for Levetiracetam, about 39% as often as the typical California prescriber of it (47). Medicare paid $70.40 per fill, versus $37.33 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
Niacin is used with a proper diet and exercise program to help lower "bad" cholesterol and fats (LDL, triglycerides) and raise "good" cholesterol (HDL) in the blood.
Compared with California prescribers
Marilyn Lapaix wrote 18 prescriptions for Niacin Er, about as often as the typical California prescriber of it (20). Medicare paid $48.00 per fill, versus $56.98 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
Spironolactone is used to treat high blood pressure and heart failure.
Compared with California prescribers
Marilyn Lapaix wrote 18 prescriptions for Spironolactone, about half as often as the typical California prescriber of it (37). Medicare paid $11.58 per fill, versus $10.05 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 used to treat blood clots (such as in deep vein thrombosis-DVT or pulmonary embolus-PE) and/or to prevent new clots from forming in your body.
Compared with California prescribers
Marilyn Lapaix wrote 18 prescriptions for Warfarin Sodium, about half as often as the typical California prescriber of it (40). Medicare paid $11.90 per fill, versus $11.33 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
Latanoprost is used to treat high pressure inside the eye due to glaucoma (open angle type) or other eye diseases (such as ocular hypertension).
Compared with California prescribers
Marilyn Lapaix wrote 17 prescriptions for Latanoprost, about 11% as often as the typical California prescriber of it (159). Medicare paid $39.65 per fill, versus $12.02 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 used to treat anxiety.
Compared with California prescribers
Marilyn Lapaix wrote 16 prescriptions for Buspirone Hcl, about half as often as the typical California prescriber of it (37). Medicare paid $32.15 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
Donepezil is used to treat confusion (dementia) related to Alzheimer's disease.
Compared with California prescribers
Marilyn Lapaix wrote 16 prescriptions for Donepezil Hcl, about 27% as often as the typical California prescriber of it (58). Medicare paid $74.48 per fill, versus $12.53 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 alone or with other medications to prevent nausea and vomiting caused by cancer drug treatment (chemotherapy) and radiation therapy.
Compared with California prescribers
Marilyn Lapaix wrote 16 prescriptions for Ondansetron Hcl, about half as often as the typical California prescriber of it (28). Medicare paid $142.51 per fill, versus $14.67 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
Montelukast is used to control and prevent symptoms caused by asthma (such as wheezing and shortness of breath).
Compared with California prescribers
Marilyn Lapaix wrote 15 prescriptions for Montelukast Sodium, about 31% as often as the typical California prescriber of it (49). Medicare paid $41.87 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
This product is used to treat certain types of heart failure.
Compared with California prescribers
Marilyn Lapaix wrote 14 prescriptions for Entresto, about 25% as often as the typical California prescriber of it (57). Medicare paid $606.03 per fill, versus $1,043.51 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Netarsudil is used to treat high pressure inside the eye due to certain eye conditions (such as open-angle glaucoma, ocular hypertension).
Compared with California prescribers
Marilyn Lapaix wrote 14 prescriptions for Rhopressa, about 27% as often as the typical California prescriber of it (52). Medicare paid $340.18 per fill, versus $494.93 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 muscle spasms caused by certain conditions (such as multiple sclerosis, spinal cord injury).
Compared with California prescribers
Marilyn Lapaix wrote 14 prescriptions for Tizanidine Hcl, about 37% as often as the typical California prescriber of it (37). Medicare paid $33.91 per fill, versus $11.76 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
Methocarbamol is used to treat muscle spasms/pain.
Compared with California prescribers
Marilyn Lapaix wrote 13 prescriptions for Methocarbamol, about half as often as the typical California prescriber of it (27). Medicare paid $13.26 per fill, versus $10.93 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 pain caused by nerve damage due to diabetes, shingles (herpes zoster) infection, or spinal cord injury.
Compared with California prescribers
Marilyn Lapaix wrote 13 prescriptions for Pregabalin, about 33% as often as the typical California prescriber of it (39). Medicare paid $122.84 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 a beta blocker used to treat high blood pressure, irregular heartbeats, shaking (tremors), and other conditions.
Compared with California prescribers
Marilyn Lapaix wrote 13 prescriptions for Propranolol Hcl, about half as often as the typical California prescriber of it (25). Medicare paid $12.03 per fill, versus $20.69 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to treat certain mental/mood disorders (such as depression, anxiety, panic attacks, and social anxiety disorder).
Compared with California prescribers
Marilyn Lapaix wrote 13 prescriptions for Venlafaxine Hcl Er, about half as often as the typical California prescriber of it (28). Medicare paid $51.36 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
Ibuprofen is used to relieve pain from various conditions such as headache, dental pain, menstrual cramps, muscle aches, or arthritis.
Compared with California prescribers
Marilyn Lapaix wrote 12 prescriptions for Ibuprofen, about 29% as often as the typical California prescriber of it (42). Medicare paid $13.20 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
Nifedipine is used alone or in combination with other drugs to treat high blood pressure (hypertension).
Compared with California prescribers
Marilyn Lapaix wrote 12 prescriptions for Nifedipine Er, about 38% as often as the typical California prescriber of it (32). Medicare paid $38.31 per fill, versus $28.64 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
This combination medication is used to help relieve moderate to severe pain.
Compared with California prescribers
Marilyn Lapaix wrote 12 prescriptions for Oxycodone-Acetaminophen, about 24% as often as the typical California prescriber of it (50). Medicare paid $93.51 per fill, versus $29.84 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is a mineral supplement used to treat or prevent low amounts of potassium in the blood.
Compared with California prescribers
Marilyn Lapaix wrote 12 prescriptions for Potassium Chloride, about 25% as often as the typical California prescriber of it (48). Medicare paid $8.11 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
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
Marilyn Lapaix wrote 12 prescriptions for Simvastatin, about 19% as often as the typical California prescriber of it (63). Medicare paid $37.17 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
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 California prescribers
Marilyn Lapaix wrote 12 prescriptions for Xarelto, about 28% as often as the typical California prescriber of it (43). Medicare paid $619.27 per fill, versus $952.66 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
Chlorthalidone is used to treat high blood pressure (hypertension).
Compared with California prescribers
Marilyn Lapaix wrote 11 prescriptions for Chlorthalidone, about half as often as the typical California prescriber of it (26). Medicare paid $16.13 per fill, versus $15.58 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
This medication is used to treat depression.
Compared with California prescribers
Marilyn Lapaix wrote 11 prescriptions for Citalopram Hbr, about 37% as often as the typical California prescriber of it (30). Medicare paid $30.50 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
This product contains two drugs used to treat high pressure inside the eye due to glaucoma (open angle-type) or other eye diseases (such as ocular hypertension).
Compared with California prescribers
Marilyn Lapaix wrote 11 prescriptions for Dorzolamide-Timolol, about 9% as often as the typical California prescriber of it (122). Medicare paid $30.88 per fill, versus $20.06 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 California prescribers
Marilyn Lapaix wrote 11 prescriptions for Fluoxetine Hcl, about 33% as often as the typical California prescriber of it (33). Medicare paid $8.31 per fill, versus $11.85 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
This medication is used to treat anxiety.
Compared with California prescribers
Marilyn Lapaix wrote 11 prescriptions for Lorazepam, about 26% as often as the typical California prescriber of it (43). Medicare paid $16.49 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 drug is used to treat high blood pressure.
Compared with California prescribers
Marilyn Lapaix wrote 11 prescriptions for Losartan-Hydrochlorothiazide, about 28% as often as the typical California prescriber of it (39). Medicare paid $36.04 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.
Questions about Marilyn Lapaix’s prescriptions
What does Marilyn Lapaix prescribe most?
In 2024 Medicare Part D data, Marilyn Lapaix's most prescribed medications were Atorvastatin Calcium (169), Gabapentin (133) and Losartan Potassium (104).
How does Marilyn Lapaix's prescribing compare with other California prescribers?
Of the 74 medications with a state comparison, Marilyn Lapaix prescribes 4 more often than the typical California prescriber, 8 about as often and 62 less often. Volume reflects practice size as well as prescribing habits.
Does this list show every medication Marilyn Lapaix 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.
