JOHNNY K CHANG MD
Prescription History 1366465304
Internal Medicine - Hematology & Oncology in Encino, CA
Quality Rating: 85.71 out of 100 score
NPI Status: Active since July 25, 2006
Contact Information
16133 VENTURA BLVD
STE 470
ENCINO, CA
ZIP 91436
Phone: (818) 981-3818
Fax: (818) 784-3106
Prescription History for Informed Healthcare Decisions
Explore the verified Medicare Part D prescription history, volume metrics, and calculated drug costs for JOHNNY K CHANG MD, an active Hematology & Oncology specialist practicing in Encino, CA. Our medical registry currently tracks 17 unique pharmaceutical formulations prescribed by this provider, representing an estimated volume of 591 documented patient claims. Among these therapy options, the most frequently utilized medication is Letrozole, which accounts for 118 claims alone.
Medication Index
Abiraterone Acetate
Generic Formulation: Abiraterone AcetateSpecialty: Hematology-OncologyProvider Avg Cost Per Claim
$2,717.10
State Avg Cost Per Claim
$1,946.49
Note on Expenses: These indicators represent gross infrastructure resource tracking paid directly to supply pharmacy networks by Medicare Part D configurations. These calculations do not track individual patient insurance tier copays or out-of-pocket shelf prices at retail checkout lanes.
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.
This medication is used to treat prostate cancer. 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.
Anastrozole
Generic Formulation: AnastrozoleSpecialty: Hematology-OncologyProvider Avg Cost Per Claim
$56.45
State Avg Cost Per Claim
$27.13
Note on Expenses: These indicators represent gross infrastructure resource tracking paid directly to supply pharmacy networks by Medicare Part D configurations. These calculations do not track individual patient insurance tier copays or out-of-pocket shelf prices at retail checkout lanes.
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.
Anastrozole is used to treat breast cancer in women after menopause. 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.
Calquence
Generic Formulation: Acalabrutinib MaleateSpecialty: Hematology-OncologyProvider Avg Cost Per Claim
$12,353.24
State Avg Cost Per Claim
$14,069.64
Note on Expenses: These indicators represent gross infrastructure resource tracking paid directly to supply pharmacy networks by Medicare Part D configurations. These calculations do not track individual patient insurance tier copays or out-of-pocket shelf prices at retail checkout lanes.
This medication is used to treat certain types of cancer (such as mantle cell lymphoma, small lymphocytic lymphoma - SLL, chronic lymphocytic leukemia - CLL). Acalabrutinib works by slowing or stopping the growth of cancer cells. It belongs to a class of drugs known as kinase inhibitors.
Dexamethasone
Generic Formulation: DexamethasoneSpecialty: Hematology-OncologyProvider Avg Cost Per Claim
$13.97
State Avg Cost Per Claim
$19.76
Note on Expenses: These indicators represent gross infrastructure resource tracking paid directly to supply pharmacy networks by Medicare Part D configurations. These calculations do not track individual patient insurance tier copays or out-of-pocket shelf prices at retail checkout lanes.
An anti-inflammatory 9-fluoro-glucocorticoid.
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. 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.
Eliquis
Generic Formulation: ApixabanSpecialty: Hematology-OncologyProvider Avg Cost Per Claim
$1,179.29
State Avg Cost Per Claim
$848.49
Note on Expenses: These indicators represent gross infrastructure resource tracking paid directly to supply pharmacy networks by Medicare Part D configurations. These calculations do not track individual patient insurance tier copays or out-of-pocket shelf prices at retail checkout lanes.
Apixaban is used to prevent serious blood clots from forming due to a certain irregular heartbeat (atrial fibrillation) or after hip/knee replacement surgery. 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.
Exemestane
Generic Formulation: ExemestaneSpecialty: Hematology-OncologyProvider Avg Cost Per Claim
$177.86
State Avg Cost Per Claim
$259.64
Note on Expenses: These indicators represent gross infrastructure resource tracking paid directly to supply pharmacy networks by Medicare Part D configurations. These calculations do not track individual patient insurance tier copays or out-of-pocket shelf prices at retail checkout lanes.
This medication is used to treat certain types of breast cancer (such as hormone-receptor-positive breast cancer) in women after menopause. Exemestane is also used to help prevent the cancer from returning. Some breast cancers are made to grow faster by a natural hormone called estrogen. Exemestane decreases the amount of estrogen the body makes and helps to slow or reverse the growth of these breast cancers. Exemestane is usually not used in women of childbearing age.
Hydroxyurea
Generic Formulation: HydroxyureaSpecialty: Hematology-OncologyProvider Avg Cost Per Claim
$40.87
State Avg Cost Per Claim
$42.36
Note on Expenses: These indicators represent gross infrastructure resource tracking paid directly to supply pharmacy networks by Medicare Part D configurations. These calculations do not track individual patient insurance tier copays or out-of-pocket shelf prices at retail checkout lanes.
An antineoplastic agent that inhibits DNA synthesis through the inhibition of ribonucleoside diphosphate reductase.
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. Some brands are also used to treat certain types of cancer (such as chronic myelogenous leukemia, squamous cell carcinomas).
Ibrance
Generic Formulation: PalbociclibSpecialty: Hematology-OncologyProvider Avg Cost Per Claim
$16,103.87
State Avg Cost Per Claim
$14,455.37
Note on Expenses: These indicators represent gross infrastructure resource tracking paid directly to supply pharmacy networks by Medicare Part D configurations. These calculations do not track individual patient insurance tier copays or out-of-pocket shelf prices at retail checkout lanes.
Palbociclib is used to treat a certain type of breast cancer. It works by slowing or stopping the growth of cancer cells.
Jakafi
Generic Formulation: Ruxolitinib PhosphateSpecialty: Hematology-OncologyProvider Avg Cost Per Claim
$17,879.43
State Avg Cost Per Claim
$15,930.09
Note on Expenses: These indicators represent gross infrastructure resource tracking paid directly to supply pharmacy networks by Medicare Part D configurations. These calculations do not track individual patient insurance tier copays or out-of-pocket shelf prices at retail checkout lanes.
This medication is used to treat certain bone marrow disorders (myelofibrosis, polycythemia vera). It works by blocking your body from producing substances called growth factors. Growth factors cause cells to grow and divide, and cause the blood cell and spleen problems found in these disorders. Ruxolitinib belongs to a class of drugs known as kinase inhibitors. Though not a cure for these disorders, ruxolitinib may help with some of the symptoms, including abdominal discomfort, pain under left ribs, early feelings of fullness from meals, night sweats, itching, and bone/muscle pain. Ruxolitinib is also used to treat a certain problem that may occur after certain stem cell or bone marrow transplants (graft versus host disease). It works by weakening your body's defense system (immune system).
Letrozole
Generic Formulation: LetrozoleSpecialty: Hematology-OncologyProvider Avg Cost Per Claim
$52.60
State Avg Cost Per Claim
$32.45
Note on Expenses: These indicators represent gross infrastructure resource tracking paid directly to supply pharmacy networks by Medicare Part D configurations. These calculations do not track individual patient insurance tier copays or out-of-pocket shelf prices at retail checkout lanes.
A triazole and benzonitrile derivative that is a selective non-steroidal aromatase inhibitor, similar to ANASTROZOLE. It is used in the treatment of metastatic or locally advanced breast cancer in postmenopausal women.
This medication is used to treat certain types of breast cancer (such as hormone-receptor-positive breast cancer) in women after menopause. Letrozole is also used to help prevent the cancer from returning. Some breast cancers are made to grow faster by a natural hormone called estrogen. Letrozole decreases the amount of estrogen the body makes and helps to slow or reverse the growth of these breast cancers.
Ondansetron Odt
Generic Formulation: OndansetronSpecialty: Hematology-OncologyProvider Avg Cost Per Claim
$20.13
State Avg Cost Per Claim
$21.79
Note on Expenses: These indicators represent gross infrastructure resource tracking paid directly to supply pharmacy networks by Medicare Part D configurations. These calculations do not track individual patient insurance tier copays or out-of-pocket shelf prices at retail checkout lanes.
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.
This medication is used alone or with other medications to prevent nausea and vomiting caused by cancer drug treatment (chemotherapy) and radiation therapy. 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.
Prednisone
Generic Formulation: PrednisoneSpecialty: Hematology-OncologyProvider Avg Cost Per Claim
$6.90
State Avg Cost Per Claim
$8.18
Note on Expenses: These indicators represent gross infrastructure resource tracking paid directly to supply pharmacy networks by Medicare Part D configurations. These calculations do not track individual patient insurance tier copays or out-of-pocket shelf prices at retail checkout lanes.
A synthetic anti-inflammatory glucocorticoid derived from CORTISONE. It is biologically inert and converted to PREDNISOLONE in the liver.
Prednisone is used to treat conditions such as arthritis, blood disorders, breathing problems, severe allergies, skin diseases, cancer, eye problems, and immune system disorders. 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.
Revlimid
Generic Formulation: LenalidomideSpecialty: Hematology-OncologyProvider Avg Cost Per Claim
$17,262.30
State Avg Cost Per Claim
$18,322.70
Note on Expenses: These indicators represent gross infrastructure resource tracking paid directly to supply pharmacy networks by Medicare Part D configurations. These calculations do not track individual patient insurance tier copays or out-of-pocket shelf prices at retail checkout lanes.
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.
Lenalidomide is used to treat various types of cancers. 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.
Tagrisso
Generic Formulation: Osimertinib MesylateSpecialty: Hematology-OncologyProvider Avg Cost Per Claim
$15,700.70
State Avg Cost Per Claim
$16,956.40
Note on Expenses: These indicators represent gross infrastructure resource tracking paid directly to supply pharmacy networks by Medicare Part D configurations. These calculations do not track individual patient insurance tier copays or out-of-pocket shelf prices at retail checkout lanes.
This medication is used to treat lung cancer. 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.
Tazverik
Generic Formulation: Tazemetostat HydrobromideSpecialty: Hematology-OncologyProvider Avg Cost Per Claim
$19,918.27
State Avg Cost Per Claim
$18,664.88
Note on Expenses: These indicators represent gross infrastructure resource tracking paid directly to supply pharmacy networks by Medicare Part D configurations. These calculations do not track individual patient insurance tier copays or out-of-pocket shelf prices at retail checkout lanes.
This medication is used to treat certain types of cancer (epithelioid sarcoma or follicular lymphoma). It works by slowing or stopping the growth of cancer cells.
Verzenio
Generic Formulation: AbemaciclibSpecialty: Hematology-OncologyProvider Avg Cost Per Claim
$14,808.29
State Avg Cost Per Claim
$14,260.97
Note on Expenses: These indicators represent gross infrastructure resource tracking paid directly to supply pharmacy networks by Medicare Part D configurations. These calculations do not track individual patient insurance tier copays or out-of-pocket shelf prices at retail checkout lanes.
This medication is used to treat certain types of breast cancer. Abemaciclib works by slowing or stopping the growth of cancer cells. It belongs to a class of drugs known as kinase inhibitors.
Warfarin Sodium
Generic Formulation: Warfarin SodiumSpecialty: Hematology-OncologyProvider Avg Cost Per Claim
$17.08
State Avg Cost Per Claim
$15.05
Note on Expenses: These indicators represent gross infrastructure resource tracking paid directly to supply pharmacy networks by Medicare Part D configurations. These calculations do not track individual patient insurance tier copays or out-of-pocket shelf prices at retail checkout lanes.
An anticoagulant that acts by inhibiting the synthesis of vitamin K-dependent coagulation factors. Warfarin is indicated for the prophylaxis and/or treatment of venous thrombosis and its extension, pulmonary embolism, and atrial fibrillation with embolization. It is also used as an adjunct in the prophylaxis of systemic embolism after myocardial infarction. Warfarin is also used as a rodenticide.
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. Preventing harmful blood clots helps to reduce the risk of a stroke or heart attack. Conditions that increase your risk of developing blood clots include a certain type of irregular heart rhythm (atrial fibrillation), heart valve replacement, recent heart attack, and certain surgeries (such as hip/knee replacement). Warfarin is commonly called a blood thinner, but the more correct term is anticoagulant. It helps to keep blood flowing smoothly in your body by decreasing the amount of certain substances (clotting proteins) in your blood.
Dataset Methodology & CMS Source Information
This analytical profile maps public infrastructure records sourced directly from official **Centers for Medicare & Medicaid Services (CMS)** public data releases. The statistics above track documented pharmaceutical treatment trends assigned to beneficiaries specifically under federal public programs. Evaluating the prescriptive footprints of clinical practitioners like JOHNNY K CHANG MD provides transparency into local medical care patterns within Encino, CA.
Key Learning Objectives for this Profile:
- Prescribing Frequencies: Track and evaluate the volume metrics of specific brand-name and generic medical formulas chosen by this provider over time.
- Clinical Focus Areas: Identify how the provider distributes therapeutic selections across medical care options to gain insight into their true day-to-day **Hematology & Oncology** practice concentrations.
- Program Cost Awareness: Review the calculated total systemic drug costs and raw transactional volumes linked to these orders to better anticipate network insurance coverage structures.
- Patient-Centered Evaluation: Cross-reference localized regional care comparisons to align practitioner habits directly with your proactive health maintenance goals.
Data Scope Exclusion & Limitations: The data elements presented above explicitly reflect prescription orders processed for Medicare beneficiaries during the year 2023. This informational profile does not aggregate prescription data for individuals utilizing private commercial health plans, state Medicaid coverage, or self-pay options. However, because medical decision-making remains highly consistent across clinical settings, this public registry provides a reliable proxy for understanding the general prescribing preferences and pharmaceutical care approach used by this provider.