DR. KEVIN Q CHANG MD
Prescription History 1649219452
Internal Medicine - Hematology & Oncology in Oxnard, CA
Medicare Part D Prescription History
Explore the verified Medicare Part D prescription history, volume metrics, and calculated drug costs for DR. KEVIN Q CHANG MD, an active Hematology & Oncology specialist practicing in Oxnard, CA. Our medical registry currently tracks 17 unique pharmaceutical formulations prescribed by this provider, representing an estimated volume of 414 documented patient claims. Among these therapy options, the most frequently utilized medication is Anastrozole, which accounts for 71 claims alone. Use the table below to sort by claims, cost, or utilization compared with the state average; select any medication for its full profile.
| Medication | Prescriptions (2023)Rx (2023) | Avg Cost per FillCost / Fill | Vs. Other CA PrescribersVs. CA Avg |
|---|---|---|---|
| Anastrozole | 71 | $19.42▼ below CA avg | ≈ Typical |
About Anastrozole: Anastrozole is used to treat breast cancer in women after menopause. Show more ▾ Some breast cancers are made to grow faster by a natural hormone called estrogen. Anastrozole decreases the amount of estrogen the body makes and helps to slow or reverse the growth of these breast cancers. A nitrile and triazole derivative that acts as a selective nonsteroidal aromatase inhibitor. It is used in the treatment of ESTROGEN NUCLEAR RECEPTOR-positive breast cancer in postmenopausal women. In 2023, this provider wrote 71 Medicare prescriptions for Anastrozole, about the same volume as the typical California prescriber of this medication (68). Medicare paid an average of $19.42 per fill, versus $27.13 statewide. How often this provider prescribes it This provider's prescribing volume for this medication is in line with the average CA prescriber. Utilization reflects practice size as well as clinical preference. What Medicare paid per fill This provider's average cost per fill is below the CA average for this medication. 127 30-Day Fills standardized to 30-day supplies 3,806 Days of Medication total across all patients in 2023 | |||
| Prednisone | 61 | $14.95 | ▲ More than typical |
About Prednisone: Prednisone is used to treat conditions such as arthritis, blood disorders, breathing problems, severe allergies, skin diseases, cancer, eye problems, and immune system disorders. Show more ▾ Prednisone belongs to a class of drugs known as corticosteroids. It decreases your immune system's response to various diseases to reduce symptoms such as swelling and allergic-type reactions. A synthetic anti-inflammatory glucocorticoid derived from CORTISONE. It is biologically inert and converted to PREDNISOLONE in the liver. In 2023, this provider wrote 61 Medicare prescriptions for Prednisone, about 1.5 times the volume of the typical California prescriber of this medication (40). Medicare paid an average of $14.95 per fill, versus $8.18 statewide. How often this provider prescribes it This provider prescribes this medication more often than the average CA prescriber. Utilization reflects practice size as well as clinical preference. What Medicare paid per fill Gross Part D cost per fill; not the patient's out-of-pocket price. 65 30-Day Fills standardized to 30-day supplies 1,861 Days of Medication total across all patients in 2023 | |||
| Acyclovir | 30 | $24.62▼ below CA avg | ≈ Typical |
About Acyclovir: Acyclovir is used to treat infections caused by certain types of viruses. Show more ▾ It treats cold sores around the mouth (caused by herpes simplex), shingles (caused by herpes zoster), and chickenpox. This medication is also used to treat outbreaks of genital herpes. In people with frequent outbreaks, acyclovir is used to help reduce the number of future episodes. Acyclovir is an antiviral drug. However, it is not a cure for these infections. The viruses that cause these infections continue to live in the body even between outbreaks. Acyclovir decreases the severity and length of these outbreaks. It helps the sores heal faster, keeps new sores from forming, and decreases pain/itching. This medication may also help reduce how long pain remains after the sores heal. In addition, in people with a weakened immune system, acyclovir can decrease the risk of the virus spreading to other parts of the body and causing serious infections. A GUANOSINE analog that acts as an antimetabolite. Viruses are especially susceptible. Used especially against herpes. In 2023, this provider wrote 30 Medicare prescriptions for Acyclovir, about 1.3 times the volume of the typical California prescriber of this medication (24). Medicare paid an average of $24.62 per fill, versus $26.52 statewide. How often this provider prescribes it This provider's prescribing volume for this medication is in line with the average CA prescriber. Utilization reflects practice size as well as clinical preference. What Medicare paid per fill This provider's average cost per fill is below the CA average for this medication. 54 30-Day Fills standardized to 30-day supplies 1,620 Days of Medication total across all patients in 2023 | |||
| Abiraterone Acetate | 26 | $5,322.00 | ▼ Less than typical |
About Abiraterone Acetate: This medication is used to treat prostate cancer. Show more ▾ Abiraterone belongs to a class of drugs known as anti-androgens (anti-testosterone). Testosterone, a natural hormone, helps prostate cancer to grow and spread. Abiraterone works by blocking the production of testosterone, thereby slowing the growth and spread of prostate cancer. This medication should not be given to women or children. An androstene derivative that inhibits STEROID 17-ALPHA-HYDROXYLASE and is used as an ANTINEOPLASTIC AGENT in the treatment of metastatic castration-resistant PROSTATE CANCER. In 2023, this provider wrote 26 Medicare prescriptions for Abiraterone Acetate, about half the volume of the typical California prescriber of this medication (48). Medicare paid an average of $5,322.00 per fill, versus $1,946.49 statewide. How often this provider prescribes it This provider prescribes this medication less often than the average CA prescriber. Utilization reflects practice size as well as clinical preference. What Medicare paid per fill Gross Part D cost per fill; not the patient's out-of-pocket price. 26 30-Day Fills standardized to 30-day supplies 780 Days of Medication total across all patients in 2023 | |||
| Allopurinol | 25 | $10.73▼ below CA avg | ▼ Less than typical |
About Allopurinol: Allopurinol is used to treat gout and certain types of kidney stones. Show more ▾ It is also used to prevent increased uric acid levels in patients receiving cancer chemotherapy. These patients can have increased uric acid levels due to release of uric acid from the dying cancer cells. Allopurinol works by reducing the amount of uric acid made by the body. Increased uric acid levels can cause gout and kidney problems. A XANTHINE OXIDASE inhibitor that decreases URIC ACID production. It also acts as an antimetabolite on some simpler organisms. In 2023, this provider wrote 25 Medicare prescriptions for Allopurinol, about half the volume of the typical California prescriber of this medication (44). Medicare paid an average of $10.73 per fill, versus $15.90 statewide. How often this provider prescribes it This provider prescribes this medication less often than the average CA prescriber. Utilization reflects practice size as well as clinical preference. What Medicare paid per fill This provider's average cost per fill is below the CA average for this medication. 40 30-Day Fills standardized to 30-day supplies 1,200 Days of Medication total across all patients in 2023 | |||
| Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim | 22 | $5.42▼ below CA avg | ≈ Typical |
About Sulfamethoxazole-Trimethoprim: This medication is a combination of two antibiotics: sulfamethoxazole and trimethoprim. Show more ▾ It is used to treat a wide variety of bacterial infections (such as middle ear, urine, respiratory, and intestinal infections). It is also used to prevent and treat a certain type of pneumonia (pneumocystis-type). This medication should not be used by children less than 2 months of age due to the risk of serious side effects. This medication treats only certain types of infections. It will not work for viral infections (such as flu). Unnecessary use or misuse of any antibiotic can lead to its decreased effectiveness. A drug combination with broad-spectrum antibacterial activity against both gram-positive and gram-negative organisms. It is effective in the treatment of many infections, including PNEUMOCYSTIS PNEUMONIA in AIDS. In 2023, this provider wrote 22 Medicare prescriptions for Sulfamethoxazole-Trimethoprim, about 88% of the volume of the typical California prescriber of this medication (25). Medicare paid an average of $5.42 per fill, versus $5.87 statewide. How often this provider prescribes it This provider's prescribing volume for this medication is in line with the average CA prescriber. Utilization reflects practice size as well as clinical preference. What Medicare paid per fill This provider's average cost per fill is below the CA average for this medication. 32.1 30-Day Fills standardized to 30-day supplies 938 Days of Medication total across all patients in 2023 | |||
| Ondansetron OdtOndansetron | 22 | $17.57▼ below CA avg | ≈ Typical |
About Ondansetron Odt: This medication is used alone or with other medications to prevent nausea and vomiting caused by cancer drug treatment (chemotherapy) and radiation therapy. Show more ▾ It is also used to prevent and treat nausea and vomiting after surgery. Ondansetron works by blocking one of the body's natural substances (serotonin) that causes vomiting. A competitive serotonin type 3 receptor antagonist. It is effective in the treatment of nausea and vomiting caused by cytotoxic chemotherapy drugs, including cisplatin, and has reported anxiolytic and neuroleptic properties. In 2023, this provider wrote 22 Medicare prescriptions for Ondansetron Odt, about the same volume as the typical California prescriber of this medication (22). Medicare paid an average of $17.57 per fill, versus $21.79 statewide. How often this provider prescribes it This provider's prescribing volume for this medication is in line with the average CA prescriber. Utilization reflects practice size as well as clinical preference. What Medicare paid per fill This provider's average cost per fill is below the CA average for this medication. 22 30-Day Fills standardized to 30-day supplies 220 Days of Medication total across all patients in 2023 | |||
| ImbruvicaIbrutinib | 21 | $18,191.76 | ≈ Typical |
About Imbruvica: This medication is used to treat certain cancers (such as mantle cell or marginal zone lymphoma, chronic lymphocytic leukemia/small lymphocytic lymphoma, Waldenstrom's macroglobulinemia). Show more ▾ Ibrutinib belongs to a class of drugs known as kinase inhibitors. It works by slowing or stopping the growth of cancer cells. Ibrutinib is also used to treat a certain problem that may occur after a stem cell transplant (chronic graft versus host disease). It works by weakening your body's defense system (immune system). In 2023, this provider wrote 21 Medicare prescriptions for Imbruvica, about 75% of the volume of the typical California prescriber of this medication (28). Medicare paid an average of $18,191.76 per fill, versus $15,007.19 statewide. How often this provider prescribes it This provider's prescribing volume for this medication is in line with the average CA prescriber. Utilization reflects practice size as well as clinical preference. What Medicare paid per fill Gross Part D cost per fill; not the patient's out-of-pocket price. 21 30-Day Fills standardized to 30-day supplies 630 Days of Medication total across all patients in 2023 | |||
| Dexamethasone | 21 | $13.29▼ below CA avg | ▼ Less than typical |
About Dexamethasone: Dexamethasone is used to treat conditions such as arthritis, blood/hormone disorders, allergic reactions, skin diseases, eye problems, breathing problems, bowel disorders, cancer, and immune system disorders. Show more ▾ It is also used as a test for an adrenal gland disorder (Cushing's syndrome). Dexamethasone belongs to a class of drugs known as corticosteroids. It decreases your immune system's response to various diseases to reduce symptoms such as swelling and allergic-type reactions. An anti-inflammatory 9-fluoro-glucocorticoid. In 2023, this provider wrote 21 Medicare prescriptions for Dexamethasone, about 66% of the volume of the typical California prescriber of this medication (32). Medicare paid an average of $13.29 per fill, versus $19.76 statewide. How often this provider prescribes it This provider prescribes this medication less often than the average CA prescriber. Utilization reflects practice size as well as clinical preference. What Medicare paid per fill This provider's average cost per fill is below the CA average for this medication. 21.3 30-Day Fills standardized to 30-day supplies 439 Days of Medication total across all patients in 2023 | |||
| Folic Acid | 18 | $1.84▼ below CA avg | ▼ Less than typical |
About Folic Acid: Folic acid is the man-made form of folate. Show more ▾ Folate is a B-vitamin naturally found in some foods. It is needed to form healthy cells, especially red blood cells. Folic acid supplements may come in different forms (such as L-methylfolate, levomefolate, methyltetrahydrofolate). They are used to treat or prevent low folate levels. Low folate levels can lead to certain types of anemia. Conditions that can cause low folate levels include poor diet, pregnancy, alcoholism, liver disease, certain stomach/intestinal problems, kidney dialysis, among others. Women of childbearing age should receive adequate amounts of folic acid either through their diet or supplements to prevent infant spinal cord birth defects. A member of the vitamin B family that stimulates the hematopoietic system. It is present in the liver and kidney and is found in mushrooms, spinach, yeast, green leaves, and grasses (POACEAE). Folic acid is used in the treatment and prevention of folate deficiencies and megaloblastic anemia. In 2023, this provider wrote 18 Medicare prescriptions for Folic Acid, about 69% of the volume of the typical California prescriber of this medication (26). Medicare paid an average of $1.84 per fill, versus $5.63 statewide. How often this provider prescribes it This provider prescribes this medication less often than the average CA prescriber. Utilization reflects practice size as well as clinical preference. What Medicare paid per fill This provider's average cost per fill is below the CA average for this medication. 20 30-Day Fills standardized to 30-day supplies 600 Days of Medication total across all patients in 2023 | |||
| XtandiEnzalutamide | 17 | $13,655.06 | ▼ Less than typical |
About Xtandi: Enzalutamide is used to treat prostate cancer. Show more ▾ This medication belongs to a class of drugs known as anti-androgens (anti-testosterone). It works by blocking the effects of testosterone to slow the growth and spread of prostate cancer. In 2023, this provider wrote 17 Medicare prescriptions for Xtandi, about half the volume of the typical California prescriber of this medication (30). Medicare paid an average of $13,655.06 per fill, versus $12,773.71 statewide. How often this provider prescribes it This provider prescribes this medication less often than the average CA prescriber. Utilization reflects practice size as well as clinical preference. What Medicare paid per fill Gross Part D cost per fill; not the patient's out-of-pocket price. 17 30-Day Fills standardized to 30-day supplies 510 Days of Medication total across all patients in 2023 | |||
| Hydroxyurea | 16 | $15.91▼ below CA avg | ▼ Less than typical |
About Hydroxyurea: This medication is used by people with sickle cell anemia to reduce the number of painful crises caused by the disease and to reduce the need for blood transfusions. Show more ▾ Some brands are also used to treat certain types of cancer (such as chronic myelogenous leukemia, squamous cell carcinomas). An antineoplastic agent that inhibits DNA synthesis through the inhibition of ribonucleoside diphosphate reductase. In 2023, this provider wrote 16 Medicare prescriptions for Hydroxyurea, about half the volume of the typical California prescriber of this medication (33). Medicare paid an average of $15.91 per fill, versus $42.36 statewide. How often this provider prescribes it This provider prescribes this medication less often than the average CA prescriber. Utilization reflects practice size as well as clinical preference. What Medicare paid per fill This provider's average cost per fill is below the CA average for this medication. 43.7 30-Day Fills standardized to 30-day supplies 1,271 Days of Medication total across all patients in 2023 | |||
| EliquisApixaban | 15 | $1,380.78 | ▼ Less than typical |
About Eliquis: Apixaban is used to prevent serious blood clots from forming due to a certain irregular heartbeat (atrial fibrillation) or after hip/knee replacement surgery. Show more ▾ With atrial fibrillation, part of the heart does not beat the way it should. This can lead to blood clots forming, which can travel to other parts of your body (such as the lungs or legs) or increase your risk for stroke. In the United States, apixaban is also approved to treat certain types of blood clots (deep vein thrombosis-DVT, pulmonary embolus-PE) and to prevent them from forming again. Apixaban is an anticoagulant that works by blocking certain clotting proteins in your blood. In 2023, this provider wrote 15 Medicare prescriptions for Eliquis, about a quarter of the volume of the typical California prescriber of this medication (68). Medicare paid an average of $1,380.78 per fill, versus $848.49 statewide. How often this provider prescribes it This provider prescribes this medication less often than the average CA prescriber. Utilization reflects practice size as well as clinical preference. What Medicare paid per fill Gross Part D cost per fill; not the patient's out-of-pocket price. 35 30-Day Fills standardized to 30-day supplies 1,050 Days of Medication total across all patients in 2023 | |||
| RevlimidLenalidomide | 15 | $21,334.06 | ▼ Less than typical |
About Revlimid: Lenalidomide is used to treat various types of cancers. Show more ▾ It works by slowing or stopping the growth of cancer cells. It is also used to treat anemia in patients with certain blood/bone marrow disorders (myelodysplastic syndromes-MDS). Lenalidomide may lessen the need for blood transfusions. Lenalidomide is not recommended for the treatment of a certain type of cancer (chronic lymphocytic leukemia) because of the increased risk of serious heart-related side effects and death. If you have this type of cancer, talk to your doctor about the risks of using this medication. A phthalimide and piperidone derivative that has immunomodulatory and antiangiogenic properties. It is used for the treatment of transfusion-dependent anemia in MYELODYSPLASTIC SYNDROMES, and for the treatment of MULTIPLE MYELOMA, and relapsed or refractory MANTLE CELL LYMPHOMA. In 2023, this provider wrote 15 Medicare prescriptions for Revlimid, about a third of the volume of the typical California prescriber of this medication (37). Medicare paid an average of $21,334.06 per fill, versus $18,322.70 statewide. How often this provider prescribes it This provider prescribes this medication less often than the average CA prescriber. Utilization reflects practice size as well as clinical preference. What Medicare paid per fill Gross Part D cost per fill; not the patient's out-of-pocket price. 15 30-Day Fills standardized to 30-day supplies 420 Days of Medication total across all patients in 2023 | |||
| TagrissoOsimertinib Mesylate | 12 | $15,509.13▼ below CA avg | ▼ Less than typical |
About Tagrisso: This medication is used to treat lung cancer. Show more ▾ Osimertinib belongs to a class of drugs known as kinase inhibitors. It works by slowing or stopping the growth of cancer cells. It binds to a certain protein (epidermal growth factor receptor-EGFR) in some tumors. In 2023, this provider wrote 12 Medicare prescriptions for Tagrisso, about a third of the volume of the typical California prescriber of this medication (32). Medicare paid an average of $15,509.13 per fill, versus $16,956.40 statewide. How often this provider prescribes it This provider prescribes this medication less often than the average CA prescriber. Utilization reflects practice size as well as clinical preference. What Medicare paid per fill This provider's average cost per fill is below the CA average for this medication. 12 30-Day Fills standardized to 30-day supplies 360 Days of Medication total across all patients in 2023 | |||
| IbrancePalbociclib | 11 | $16,962.70 | ▼ Less than typical |
About Ibrance: Palbociclib is used to treat a certain type of breast cancer. Show more ▾ It works by slowing or stopping the growth of cancer cells. In 2023, this provider wrote 11 Medicare prescriptions for Ibrance, about a third of the volume of the typical California prescriber of this medication (28). Medicare paid an average of $16,962.70 per fill, versus $14,455.37 statewide. How often this provider prescribes it This provider prescribes this medication less often than the average CA prescriber. Utilization reflects practice size as well as clinical preference. What Medicare paid per fill Gross Part D cost per fill; not the patient's out-of-pocket price. 11 30-Day Fills standardized to 30-day supplies 308 Days of Medication total across all patients in 2023 | |||
| Bicalutamide | 11 | $30.50▼ below CA avg | ▼ Less than typical |
About Bicalutamide: Bicalutamide is used to treat prostate cancer. Show more ▾ This medication works by blocking the action of male hormones in the prostate, slowing the growth of cancer cells. This medication should not be used in women and children. In 2023, this provider wrote 11 Medicare prescriptions for Bicalutamide, about a third of the volume of the typical California prescriber of this medication (30). Medicare paid an average of $30.50 per fill, versus $38.08 statewide. How often this provider prescribes it This provider prescribes this medication less often than the average CA prescriber. Utilization reflects practice size as well as clinical preference. What Medicare paid per fill This provider's average cost per fill is below the CA average for this medication. 13 30-Day Fills standardized to 30-day supplies 390 Days of Medication total across all patients in 2023 | |||
About this data. The prescription history for DR. KEVIN Q CHANG MD is compiled from the Centers for Medicare & Medicaid Services (CMS) Medicare Part D Prescriber Public Use File for calendar year 2023, the most recent federal release. Figures cover prescriptions filled for Medicare Part D beneficiaries only; prescriptions under private insurance, Medicaid, or self-pay plans are not included. Because prescribing decisions are generally consistent across coverage types, this record offers a useful view of the overall Hematology & Oncology prescribing approach at this Oxnard, CA practice.
Reading the costs. Drug costs are gross amounts paid to pharmacies under Part D, including both plan and beneficiary payments. They are not the price a patient pays at the pharmacy counter. Medications with fewer than 11 claims are excluded from the federal source data, and state comparisons use the average volume among CA prescribers of the same medication. Always confirm current medications and costs directly with the provider and your plan.
