MARILYN CALDERON M.D.
Prescription History 1144486713
Family Medicine in National City, CA
What does Dr. Calderon prescribe?
In 2024, Dr. Calderon wrote 3,086 Medicare prescriptions for 68 medications. The most prescribed was Lisinopril, with 166 prescriptions for 43 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. Calderon prescribes.
Medications 68 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
Lisinopril is used to treat high blood pressure.
Compared with California prescribers
Dr. Calderon wrote 166 prescriptions for Lisinopril, about 1.7 times as often as the typical California prescriber of it (98). Medicare paid $2.35 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
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. Calderon wrote 162 prescriptions for Atorvastatin Calcium, about 80% as often as the typical California prescriber of it (202). Medicare paid $8.61 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
Amlodipine is used with or without other medications to treat high blood pressure.
Compared with California prescribers
Dr. Calderon wrote 148 prescriptions for Amlodipine Besylate, about as often as the typical California prescriber of it (141). Medicare paid $3.25 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
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. Calderon wrote 141 prescriptions for Losartan Potassium, about 1.2 times as often as the typical California prescriber of it (121). Medicare paid $11.01 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
This medication is a mineral supplement used to treat or prevent low amounts of potassium in the blood.
Compared with California prescribers
Dr. Calderon wrote 140 prescriptions for Potassium Chloride, about 2.9 times as often as the typical California prescriber of it (48). Medicare paid $14.01 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
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. Calderon wrote 124 prescriptions for Metformin Hcl Er, about 2.3 times as often as the typical California prescriber of it (55). Medicare paid $6.35 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
This medication is a beta-blocker used to treat chest pain (angina), heart failure, and high blood pressure.
Compared with California prescribers
Dr. Calderon wrote 104 prescriptions for Metoprolol Succinate, about 1.2 times as often as the typical California prescriber of it (86). Medicare paid $11.06 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
Omeprazole is used to treat certain stomach and esophagus problems (such as acid reflux, ulcers).
Compared with California prescribers
Dr. Calderon wrote 104 prescriptions for Omeprazole, about 1.3 times as often as the typical California prescriber of it (78). Medicare paid $12.89 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
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. Calderon wrote 98 prescriptions for Rosuvastatin Calcium, about as often as the typical California prescriber of it (101). Medicare paid $59.13 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 high blood pressure.
Compared with California prescribers
Dr. Calderon wrote 94 prescriptions for Hydrochlorothiazide, about 1.5 times as often as the typical California prescriber of it (62). Medicare paid $2.90 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
Gabapentin is used with other medications to prevent and control seizures.
Compared with California prescribers
Dr. Calderon wrote 93 prescriptions for Gabapentin, about 1.2 times as often as the typical California prescriber of it (80). Medicare paid $26.24 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
Levothyroxine is used to treat an underactive thyroid (hypothyroidism).
Compared with California prescribers
Dr. Calderon wrote 85 prescriptions for Synthroid, about 2.2 times as often as the typical California prescriber of it (38). Medicare paid $41.01 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
Pantoprazole is used to treat certain stomach and esophagus problems (such as acid reflux).
Compared with California prescribers
Dr. Calderon wrote 78 prescriptions for Pantoprazole Sodium, about 1.2 times as often as the typical California prescriber of it (65). Medicare paid $45.18 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
Carvedilol is used to treat high blood pressure and heart failure.
Compared with California prescribers
Dr. Calderon wrote 76 prescriptions for Carvedilol, about 1.3 times as often as the typical California prescriber of it (56). Medicare paid $4.44 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
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. Calderon wrote 75 prescriptions for Fluticasone Propionate, about 1.5 times as often as the typical California prescriber of it (50). Medicare paid $20.68 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
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
Dr. Calderon wrote 72 prescriptions for Albuterol Sulfate Hfa, about 1.2 times as often as the typical California prescriber of it (58). Medicare paid $41.43 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
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. Calderon wrote 70 prescriptions for Ozempic, about 1.2 times as often as the typical California prescriber of it (56). Medicare paid $988.74 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
Tamsulosin is used by men to treat the symptoms of an enlarged prostate (benign prostatic hyperplasia-BPH).
Compared with California prescribers
Dr. Calderon wrote 70 prescriptions for Tamsulosin Hcl, about 83% as often as the typical California prescriber of it (84). Medicare paid $31.68 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
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. Calderon wrote 63 prescriptions for Simvastatin, about as often as the typical California prescriber of it (63). Medicare paid $6.70 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
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. Calderon wrote 60 prescriptions for Eliquis, about 82% as often as the typical California prescriber of it (73). Medicare paid $603.65 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
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. Calderon wrote 60 prescriptions for Jardiance, about as often as the typical California prescriber of it (58). Medicare paid $614.51 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
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. Calderon wrote 49 prescriptions for Famotidine, about as often as the typical California prescriber of it (54). Medicare paid $29.25 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
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. Calderon wrote 43 prescriptions for Furosemide, about 67% as often as the typical California prescriber of it (64). Medicare paid $3.04 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.
Compared with California prescribers
Dr. Calderon wrote 42 prescriptions for Alcohol Swabs, about 1.2 times as often as the typical California prescriber of it (34). Medicare paid $6.64 per fill, versus $4.99 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
Diltiazem is used to treat high blood pressure (hypertension) and prevent chest pain (angina).
Compared with California prescribers
Dr. Calderon wrote 36 prescriptions for Diltiazem 24hr Er (Cd), about 1.3 times as often as the typical California prescriber of it (28). Medicare paid $15.93 per fill, versus $32.58 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 California prescribers
Dr. Calderon wrote 35 prescriptions for Diclofenac Sodium, about 74% as often as the typical California prescriber of it (47). Medicare paid $5.24 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
Meloxicam is used to treat arthritis.
Compared with California prescribers
Dr. Calderon wrote 35 prescriptions for Meloxicam, about 70% as often as the typical California prescriber of it (50). Medicare paid $3.03 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
Glimepiride 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. Calderon wrote 32 prescriptions for Glimepiride, about 80% as often as the typical California prescriber of it (40). Medicare paid $2.88 per fill, versus $9.24 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
Montelukast is used to control and prevent symptoms caused by asthma (such as wheezing and shortness of breath).
Compared with California prescribers
Dr. Calderon wrote 32 prescriptions for Montelukast Sodium, about 66% as often as the typical California prescriber of it (49). Medicare paid $8.49 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
Spironolactone is used to treat high blood pressure and heart failure.
Compared with California prescribers
Dr. Calderon wrote 31 prescriptions for Spironolactone, about 83% as often as the typical California prescriber of it (37). Medicare paid $13.91 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
Chlorthalidone is used to treat high blood pressure (hypertension).
Compared with California prescribers
Dr. Calderon wrote 30 prescriptions for Chlorthalidone, about 1.2 times as often as the typical California prescriber of it (26). Medicare paid $6.70 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
Atenolol is used with or without other medications to treat high blood pressure (hypertension).
Compared with California prescribers
Dr. Calderon wrote 28 prescriptions for Atenolol, about half as often as the typical California prescriber of it (50). Medicare paid $3.23 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
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. Calderon wrote 28 prescriptions for Ezetimibe, about half as often as the typical California prescriber of it (51). Medicare paid $8.62 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
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
Dr. Calderon wrote 28 prescriptions for Glipizide Er, about as often as the typical California prescriber of it (30). Medicare paid $13.13 per fill, versus $17.99 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
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. Calderon wrote 27 prescriptions for Ibuprofen, about 64% as often as the typical California prescriber of it (42). Medicare paid $8.25 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
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
Dr. Calderon wrote 24 prescriptions for Clopidogrel, about half as often as the typical California prescriber of it (48). Medicare paid $18.87 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
Finasteride is used to shrink an enlarged prostate (benign prostatic hyperplasia or BPH) in adult men.
Compared with California prescribers
Dr. Calderon wrote 24 prescriptions for Finasteride, about half as often as the typical California prescriber of it (56). Medicare paid $8.42 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
This medication is a hormone.
Compared with California prescribers
Dr. Calderon wrote 24 prescriptions for Premarin, about 1.2 times as often as the typical California prescriber of it (20). Medicare paid $278.54 per fill, versus $403.76 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
This medication is used to treat muscle spasms caused by certain conditions (such as multiple sclerosis, spinal cord injury).
Compared with California prescribers
Dr. Calderon wrote 23 prescriptions for Tizanidine Hcl, about 62% as often as the typical California prescriber of it (37). Medicare paid $25.95 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
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. Calderon wrote 22 prescriptions for Celecoxib, about half as often as the typical California prescriber of it (46). Medicare paid $28.58 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
Doxazosin is used alone or with other drugs to treat high blood pressure (hypertension).
Compared with California prescribers
Dr. Calderon wrote 22 prescriptions for Doxazosin Mesylate, about 75% as often as the typical California prescriber of it (29). Medicare paid $30.36 per fill, versus $15.44 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Alendronate is used to prevent and treat certain types of bone loss (osteoporosis) in adults.
Compared with California prescribers
Dr. Calderon wrote 20 prescriptions for Alendronate Sodium, about 33% as often as the typical California prescriber of it (61). Medicare paid $6.39 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
Baclofen is used to treat muscle spasms caused by certain conditions (such as multiple sclerosis, spinal cord injury/disease).
Compared with California prescribers
Dr. Calderon wrote 18 prescriptions for Baclofen, about half as often as the typical California prescriber of it (42). Medicare paid $9.86 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
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
Dr. Calderon wrote 18 prescriptions for Wixela Inhub, about 66% as often as the typical California prescriber of it (27). Medicare paid $174.47 per fill, versus $186.48 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
Insulin aspart protamine/insulin aspart is used along with a proper diet and exercise program to control high blood sugar in people with diabetes.
Compared with California prescribers
Dr. Calderon wrote 17 prescriptions for Novolog Mix 70-30 Flexpen, about 75% as often as the typical California prescriber of it (23). Medicare paid $252.91 per fill, versus $220.69 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
Donepezil is used to treat confusion (dementia) related to Alzheimer's disease.
Compared with California prescribers
Dr. Calderon wrote 16 prescriptions for Donepezil Hcl, about 27% as often as the typical California prescriber of it (58). Medicare paid $30.47 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
Memantine is used to treat moderate to severe confusion (dementia) related to Alzheimer's disease.
Compared with California prescribers
Dr. Calderon wrote 16 prescriptions for Memantine Hcl, about 28% as often as the typical California prescriber of it (56). Medicare paid $17.54 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
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. Calderon wrote 16 prescriptions for Pravastatin Sodium, about half as often as the typical California prescriber of it (38). Medicare paid $46.43 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 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. Calderon wrote 16 prescriptions for Sertraline Hcl, about 35% as often as the typical California prescriber of it (46). Medicare paid $3.11 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 medication is used to treat certain mental/mood disorders (such as depression, anxiety).
Compared with California prescribers
Dr. Calderon wrote 15 prescriptions for Escitalopram Oxalate, about 31% as often as the typical California prescriber of it (48). Medicare paid $4.62 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
Fosinopril is used to treat high blood pressure (hypertension).
Compared with California prescribers
Dr. Calderon wrote 15 prescriptions for Fosinopril Sodium, about half as often as the typical California prescriber of it (27). Medicare paid $17.05 per fill, versus $19.82 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
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. Calderon wrote 15 prescriptions for Insulin Glargine-Yfgn, about half as often as the typical California prescriber of it (30). Medicare paid $110.95 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 high blood pressure.
Compared with California prescribers
Dr. Calderon wrote 15 prescriptions for Lisinopril-Hydrochlorothiazide, about 38% as often as the typical California prescriber of it (39). Medicare paid $18.04 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
Metoprolol is used with or without other medications to treat high blood pressure (hypertension).
Compared with California prescribers
Dr. Calderon wrote 15 prescriptions for Metoprolol Tartrate, about 26% as often as the typical California prescriber of it (57). Medicare paid $2.60 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
Sumatriptan is used to treat migraines.
Compared with California prescribers
Dr. Calderon wrote 15 prescriptions for Sumatriptan Succinate, about 63% as often as the typical California prescriber of it (24). Medicare paid $8.27 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
Insulin isophane is used with a proper diet and exercise program to control high blood sugar in people with diabetes.
Compared with California prescribers
Dr. Calderon wrote 14 prescriptions for Novolin N, about 87% as often as the typical California prescriber of it (16). Medicare paid $206.56 per fill, versus $91.29 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Oxybutynin is used to treat certain bladder and urinary conditions (such as overactive bladder).
Compared with California prescribers
Dr. Calderon wrote 14 prescriptions for Oxybutynin Chloride, about half as often as the typical California prescriber of it (27). Medicare paid $13.68 per fill, versus $15.72 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
Tiotropium is used to treat lung diseases such as asthma and COPD (bronchitis, emphysema).
Compared with California prescribers
Dr. Calderon wrote 14 prescriptions for Spiriva Respimat, about half as often as the typical California prescriber of it (31). Medicare paid $529.18 per fill, versus $597.16 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Valsartan is used to treat high blood pressure and heart failure.
Compared with California prescribers
Dr. Calderon wrote 14 prescriptions for Valsartan, about 36% as often as the typical California prescriber of it (39). Medicare paid $8.68 per fill, versus $28.57 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
This medication is used to treat certain mental/mood disorders (such as depression, panic attacks, obsessive compulsive disorder).
Compared with California prescribers
Dr. Calderon wrote 13 prescriptions for Fluoxetine Hcl, about 39% as often as the typical California prescriber of it (33). Medicare paid $6.14 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
Allopurinol is used to treat gout and certain types of kidney stones.
Compared with California prescribers
Dr. Calderon wrote 12 prescriptions for Allopurinol, about 27% as often as the typical California prescriber of it (44). Medicare paid $10.89 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
This medication is used to treat certain mental/mood disorders (such as depression, anxiety).
Compared with California prescribers
Dr. Calderon wrote 12 prescriptions for Duloxetine Hcl, about 30% as often as the typical California prescriber of it (40). Medicare paid $11.33 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
Nifedipine is used alone or in combination with other drugs to treat high blood pressure (hypertension).
Compared with California prescribers
Dr. Calderon wrote 12 prescriptions for Nifedipine Er, about 38% as often as the typical California prescriber of it (32). Medicare paid $29.84 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
Pioglitazone is a diabetes drug (thiazolidinedione-type, also called "glitazones") used along with a proper diet and exercise program to control high blood sugar in patients with type 2 diabetes.
Compared with California prescribers
Dr. Calderon wrote 12 prescriptions for Pioglitazone Hcl, about 29% as often as the typical California prescriber of it (41). Medicare paid $31.15 per fill, versus $13.99 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
This medication is used to treat depression.
Compared with California prescribers
Dr. Calderon wrote 11 prescriptions for Amitriptyline Hcl, about half as often as the typical California prescriber of it (25). Medicare paid $12.38 per fill, versus $14.34 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 a wide variety of bacterial infections, including those that cause acne.
Compared with California prescribers
Dr. Calderon wrote 11 prescriptions for Doxycycline Monohydrate, about 41% as often as the typical California prescriber of it (27). Medicare paid $20.92 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
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. Calderon wrote 11 prescriptions for Lantus Solostar, about 30% as often as the typical California prescriber of it (36). Medicare paid $95.60 per fill, versus $110.37 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to treat a variety of skin conditions (such as eczema, dermatitis, allergies, rash).
Compared with California prescribers
Dr. Calderon wrote 11 prescriptions for Triamcinolone Acetonide, about 26% as often as the typical California prescriber of it (43). Medicare paid $7.76 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.
Questions about Dr. Calderon’s prescriptions
What does Dr. Calderon prescribe most?
In 2024 Medicare Part D data, Dr. Calderon's most prescribed medications were Lisinopril (166), Atorvastatin Calcium (162) and Amlodipine Besylate (148).
How does Dr. Calderon's prescribing compare with other California prescribers?
Of the 68 medications with a state comparison, Dr. Calderon prescribes 9 more often than the typical California prescriber, 23 about as often and 36 less often. Volume reflects practice size as well as prescribing habits.
Does this list show every medication Dr. Calderon 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.
