DR. JASON SHEN MD
Prescription History 1346515921
Family Medicine in Yorba Linda, CA
What does Dr. Shen prescribe?
In 2024, Dr. Shen wrote 1,900 Medicare prescriptions for 57 medications. The most prescribed was Atorvastatin Calcium, with 215 prescriptions for 85 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. Shen prescribes.
Medications 57 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
Dr. Shen wrote 215 prescriptions for Atorvastatin Calcium, about as often as the typical California prescriber of it (202). Medicare paid $11.94 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. Shen wrote 97 prescriptions for Amlodipine Besylate, about 69% as often as the typical California prescriber of it (141). Medicare paid $11.94 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
Lisinopril is used to treat high blood pressure.
Compared with California prescribers
Dr. Shen wrote 96 prescriptions for Lisinopril, about as often as the typical California prescriber of it (98). Medicare paid $12.41 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
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. Shen wrote 80 prescriptions for Losartan Potassium, about 66% as often as the typical California prescriber of it (121). Medicare paid $12.82 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
Dr. Shen wrote 78 prescriptions for Metformin Hcl Er, about 1.4 times as often as the typical California prescriber of it (55). Medicare paid $9.66 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 used to treat high blood pressure.
Compared with California prescribers
Dr. Shen wrote 73 prescriptions for Lisinopril-Hydrochlorothiazide, about 1.9 times as often as the typical California prescriber of it (39). Medicare paid $11.71 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
Omeprazole is used to treat certain stomach and esophagus problems (such as acid reflux, ulcers).
Compared with California prescribers
Dr. Shen wrote 65 prescriptions for Omeprazole, about 83% as often as the typical California prescriber of it (78). Medicare paid $10.43 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
Levothyroxine is used to treat an underactive thyroid (hypothyroidism).
Compared with California prescribers
Dr. Shen wrote 60 prescriptions for Levothyroxine Sodium, about half as often as the typical California prescriber of it (125). Medicare paid $18.72 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. Shen wrote 59 prescriptions for Rosuvastatin Calcium, about half as often as the typical California prescriber of it (101). Medicare paid $11.90 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
Tamsulosin is used by men to treat the symptoms of an enlarged prostate (benign prostatic hyperplasia-BPH).
Compared with California prescribers
Dr. Shen wrote 59 prescriptions for Tamsulosin Hcl, about 70% as often as the typical California prescriber of it (84). Medicare paid $15.80 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 combination medication is used to relieve moderate to severe pain.
Compared with California prescribers
Dr. Shen wrote 46 prescriptions for Hydrocodone-Acetaminophen, about 60% as often as the typical California prescriber of it (76). Medicare paid $19.35 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 depression.
Compared with California prescribers
Dr. Shen wrote 46 prescriptions for Trazodone Hcl, about 81% as often as the typical California prescriber of it (57). Medicare paid $14.39 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
Gabapentin is used with other medications to prevent and control seizures.
Compared with California prescribers
Dr. Shen wrote 45 prescriptions for Gabapentin, about half as often as the typical California prescriber of it (80). Medicare paid $23.39 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
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. Shen wrote 41 prescriptions for Glipizide, about 84% as often as the typical California prescriber of it (49). Medicare paid $12.93 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
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. Shen wrote 41 prescriptions for Jardiance, about 71% as often as the typical California prescriber of it (58). Medicare paid $475.60 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
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. Shen wrote 40 prescriptions for Ibuprofen, about as often as the typical California prescriber of it (42). Medicare paid $9.85 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
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. Shen wrote 39 prescriptions for Metformin Hcl, about 39% as often as the typical California prescriber of it (100). Medicare paid $11.81 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
Finasteride is used to shrink an enlarged prostate (benign prostatic hyperplasia or BPH) in adult men.
Compared with California prescribers
Dr. Shen wrote 32 prescriptions for Finasteride, about half as often as the typical California prescriber of it (56). Medicare paid $15.70 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
Meloxicam is used to treat arthritis.
Compared with California prescribers
Dr. Shen wrote 32 prescriptions for Meloxicam, about 64% as often as the typical California prescriber of it (50). Medicare paid $6.95 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
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. Shen wrote 30 prescriptions for Albuterol Sulfate Hfa, about half as often as the typical California prescriber of it (58). Medicare paid $16.23 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
Metoprolol is used with or without other medications to treat high blood pressure (hypertension).
Compared with California prescribers
Dr. Shen wrote 27 prescriptions for Metoprolol Tartrate, about half as often as the typical California prescriber of it (57). Medicare paid $13.57 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
Atenolol is used with or without other medications to treat high blood pressure (hypertension).
Compared with California prescribers
Dr. Shen wrote 26 prescriptions for Atenolol, about half as often as the typical California prescriber of it (50). Medicare paid $10.39 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
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. Shen wrote 26 prescriptions for Ozempic, about half as often as the typical California prescriber of it (56). Medicare paid $767.13 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
Pantoprazole is used to treat certain stomach and esophagus problems (such as acid reflux).
Compared with California prescribers
Dr. Shen wrote 26 prescriptions for Pantoprazole Sodium, about 40% as often as the typical California prescriber of it (65). Medicare paid $13.71 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
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. Shen wrote 25 prescriptions for Simvastatin, about 40% as often as the typical California prescriber of it (63). Medicare paid $13.00 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 high blood pressure.
Compared with California prescribers
Dr. Shen wrote 24 prescriptions for Hydrochlorothiazide, about 39% as often as the typical California prescriber of it (62). Medicare paid $12.23 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
This medication is used to help relieve moderate to severe pain.
Compared with California prescribers
Dr. Shen wrote 23 prescriptions for Morphine Sulfate, about 89% as often as the typical California prescriber of it (26). Medicare paid $19.42 per fill, versus $27.24 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
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. Shen wrote 23 prescriptions for Pravastatin Sodium, about 61% as often as the typical California prescriber of it (38). Medicare paid $12.21 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
Prednisone is used to treat conditions such as arthritis, blood disorders, breathing problems, severe allergies, skin diseases, cancer, eye problems, and immune system disorders.
Compared with California prescribers
Dr. Shen wrote 21 prescriptions for Prednisone, about half as often as the typical California prescriber of it (40). Medicare paid $8.05 per fill, versus $5.64 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Alendronate is used to prevent and treat certain types of bone loss (osteoporosis) in adults.
Compared with California prescribers
Dr. Shen wrote 20 prescriptions for Alendronate Sodium, about 33% as often as the typical California prescriber of it (61). Medicare paid $9.80 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
See also Warning section.
Compared with California prescribers
Dr. Shen wrote 20 prescriptions for Tramadol Hcl, about half as often as the typical California prescriber of it (44). Medicare paid $7.87 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 drug is used to treat high blood pressure.
Compared with California prescribers
Dr. Shen wrote 19 prescriptions for Losartan-Hydrochlorothiazide, about half as often as the typical California prescriber of it (39). Medicare paid $11.53 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
This medication is used to help relieve severe ongoing pain (such as due to cancer).
Compared with California prescribers
Dr. Shen wrote 19 prescriptions for Morphine Sulfate Er, about half as often as the typical California prescriber of it (39). Medicare paid $50.01 per fill, versus $33.95 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Valacyclovir is used to treat infections caused by certain types of viruses.
Compared with California prescribers
Dr. Shen wrote 18 prescriptions for Valacyclovir, about 81% as often as the typical California prescriber of it (22). Medicare paid $39.73 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.
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. Shen wrote 17 prescriptions for Humulin N Kwikpen, about 63% as often as the typical California prescriber of it (27). Medicare paid $107.68 per fill, versus $176.99 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. Shen wrote 17 prescriptions for Nano 2nd Gen Pen Needle, about half as often as the typical California prescriber of it (33). Medicare paid $24.31 per fill, versus $66.35 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 beta-blocker used to treat chest pain (angina), heart failure, and high blood pressure.
Compared with California prescribers
Dr. Shen wrote 16 prescriptions for Metoprolol Succinate, about 19% as often as the typical California prescriber of it (86). Medicare paid $11.80 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
This medication is used to treat a wide variety of bacterial infections, including those that cause acne.
Compared with California prescribers
Dr. Shen wrote 15 prescriptions for Doxycycline Monohydrate, about half as often as the typical California prescriber of it (27). Medicare paid $10.93 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
This medication is used to treat a variety of skin conditions (such as eczema, dermatitis, psoriasis, allergies, rash).
Compared with California prescribers
Dr. Shen wrote 15 prescriptions for Fluocinonide, about half as often as the typical California prescriber of it (36). Medicare paid $20.94 per fill, versus $39.72 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. Shen wrote 15 prescriptions for Humulin N, about half as often as the typical California prescriber of it (31). Medicare paid $157.72 per fill, versus $167.09 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
Dabigatran is used to prevent stroke and harmful blood clots (such as in your legs or lungs) if you have a certain type of irregular heartbeat (atrial fibrillation).
Compared with California prescribers
Dr. Shen wrote 15 prescriptions for Pradaxa, about 23% as often as the typical California prescriber of it (65). Medicare paid $286.90 per fill, versus $256.95 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
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. Shen wrote 14 prescriptions for Furosemide, about 22% as often as the typical California prescriber of it (64). Medicare paid $9.39 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
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. Shen wrote 14 prescriptions for Sertraline Hcl, about 31% as often as the typical California prescriber of it (46). Medicare paid $14.53 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 a variety of skin conditions (such as eczema, dermatitis, allergies, rash).
Compared with California prescribers
Dr. Shen wrote 14 prescriptions for Triamcinolone Acetonide, about 33% as often as the typical California prescriber of it (43). Medicare paid $11.51 per fill, versus $10.03 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This vaccine is used to prevent infection by the respiratory syncytial virus (RSV).
Compared with California prescribers
Dr. Shen wrote 13 prescriptions for Abrysvo, about 22% as often as the typical California prescriber of it (59). Medicare paid $161.00 per fill, versus $268.13 statewide.
Volume reflects 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. Shen wrote 13 prescriptions for Donepezil Hcl, about 22% as often as the typical California prescriber of it (58). Medicare paid $12.29 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
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. Shen wrote 13 prescriptions for Ezetimibe, about 26% as often as the typical California prescriber of it (51). Medicare paid $11.67 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
This medication is used to treat certain mental/mood disorders (such as depression, panic attacks, obsessive compulsive disorder).
Compared with California prescribers
Dr. Shen wrote 13 prescriptions for Fluoxetine Hcl, about 39% as often as the typical California prescriber of it (33). Medicare paid $18.85 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
See also Warning section.
Compared with California prescribers
Dr. Shen wrote 13 prescriptions for Naproxen, about half as often as the typical California prescriber of it (29). Medicare paid $13.78 per fill, versus $9.70 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
Terazosin is used alone or with other drugs to treat high blood pressure (hypertension).
Compared with California prescribers
Dr. Shen wrote 13 prescriptions for Terazosin Hcl, about 36% as often as the typical California prescriber of it (36). Medicare paid $46.72 per fill, versus $37.76 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 a wide variety of bacterial infections.
Compared with California prescribers
Dr. Shen wrote 12 prescriptions for Cephalexin, about 40% as often as the typical California prescriber of it (30). Medicare paid $10.66 per fill, versus $7.62 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
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. Shen wrote 12 prescriptions for Insulin Glargine-Yfgn, about 40% as often as the typical California prescriber of it (30). Medicare paid $101.80 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 vaccine is used to keep up protection (immunity) against diphtheria, tetanus (lockjaw) and pertussis (whooping cough) in children and adults who have been vaccinated for these diseases in the past.
Compared with California prescribers
Dr. Shen wrote 11 prescriptions for Adacel Tdap, about half as often as the typical California prescriber of it (21). Medicare paid $51.00 per fill, versus $52.46 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to treat a variety of skin conditions (such as eczema, psoriasis, dermatitis, allergies, rash).
Compared with California prescribers
Dr. Shen wrote 11 prescriptions for Clobetasol Propionate, about 29% as often as the typical California prescriber of it (38). Medicare paid $28.39 per fill, versus $43.46 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
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. Shen wrote 11 prescriptions for Eliquis, about 15% as often as the typical California prescriber of it (73). Medicare paid $1,410.97 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 alone or with other medications to prevent nausea and vomiting caused by cancer drug treatment (chemotherapy) and radiation therapy.
Compared with California prescribers
Dr. Shen wrote 11 prescriptions for Ondansetron Odt, about half as often as the typical California prescriber of it (25). Medicare paid $11.42 per fill, versus $13.40 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
Spironolactone is used to treat high blood pressure and heart failure.
Compared with California prescribers
Dr. Shen wrote 11 prescriptions for Spironolactone, about 29% as often as the typical California prescriber of it (37). Medicare paid $12.28 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.
Questions about Dr. Shen’s prescriptions
What does Dr. Shen prescribe most?
In 2024 Medicare Part D data, Dr. Shen's most prescribed medications were Atorvastatin Calcium (215), Amlodipine Besylate (97) and Lisinopril (96).
How does Dr. Shen's prescribing compare with other California prescribers?
Of the 57 medications with a state comparison, Dr. Shen prescribes 2 more often than the typical California prescriber, 8 about as often and 47 less often. Volume reflects practice size as well as prescribing habits.
Does this list show every medication Dr. Shen 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.
