CATHERINE SCHUYLER BRENNAN MD
Prescription History 1346354990
Psychiatry & Neurology - Psychiatry in Davis, CA
Medicare Part D Prescription History
Explore the verified Medicare Part D prescription history, volume metrics, and calculated drug costs for CATHERINE SCHUYLER BRENNAN MD, an active Psychiatry specialist practicing in Davis, CA. Our medical registry currently tracks 10 unique pharmaceutical formulations prescribed by this provider, representing an estimated volume of 190 documented patient claims. Among these therapy options, the most frequently utilized medication is Fluvoxamine Maleate, which accounts for 31 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 |
|---|---|---|---|
| Fluvoxamine Maleate | 31 | $81.95 | ≈ Typical |
About Fluvoxamine Maleate: Fluvoxamine is used to treat obsessive-compulsive disorder (OCD). Show more ▾ It helps decrease thoughts that are unwanted or that don't go away (obsessions), and it helps to reduce the urge to perform repeated tasks (compulsions such as hand-washing, counting, checking) that interfere with daily living. Fluvoxamine is known as a selective serotonin reuptake inhibitor (SSRI). This medication works by helping to restore the balance of a certain natural substance (serotonin) in the brain. A selective serotonin reuptake inhibitor that is used in the treatment of DEPRESSION and a variety of ANXIETY DISORDERS. In 2023, this provider wrote 31 Medicare prescriptions for Fluvoxamine Maleate, about 1.2 times the volume of the typical California prescriber of this medication (25). Medicare paid an average of $81.95 per fill, versus $45.65 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. 39 30-Day Fills standardized to 30-day supplies 1,170 Days of Medication total across all patients in 2023 | |||
| Clonazepam | 28 | $14.11 | ▼ Less than typical |
About Clonazepam: Clonazepam is used to prevent and control seizures. Show more ▾ This medication is known as an anticonvulsant or antiepileptic drug. It is also used to treat panic attacks. Clonazepam works by calming your brain and nerves. It belongs to a class of drugs called benzodiazepines. An anticonvulsant used for several types of seizures, including myotonic or atonic seizures, photosensitive epilepsy, and absence seizures, although tolerance may develop. It is seldom effective in generalized tonic-clonic or partial seizures. The mechanism of action appears to involve the enhancement of GAMMA-AMINOBUTYRIC ACID receptor responses. In 2023, this provider wrote 28 Medicare prescriptions for Clonazepam, about 68% of the volume of the typical California prescriber of this medication (41). Medicare paid an average of $14.11 per fill, versus $9.00 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. 32 30-Day Fills standardized to 30-day supplies 895 Days of Medication total across all patients in 2023 | |||
| Lorazepam | 26 | $4.48▼ below CA avg | ▼ Less than typical |
About Lorazepam: This medication is used to treat serious seizures that do not stop (status epilepticus). Show more ▾ It is also used before surgeries or procedures to cause drowsiness, decrease anxiety, and cause forgetfulness about the procedure or surgery. Lorazepam belongs to a class of medications called benzodiazepines, which produce a calming effect on the brain and nerves (central nervous system). It is thought to work by increasing the effect of a certain natural chemical (GABA) in the brain. A benzodiazepine used as an anti-anxiety agent with few side effects. It also has hypnotic, anticonvulsant, and considerable sedative properties and has been proposed as a preanesthetic agent. In 2023, this provider wrote 26 Medicare prescriptions for Lorazepam, about half the volume of the typical California prescriber of this medication (45). Medicare paid an average of $4.48 per fill, versus $7.40 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. 26 30-Day Fills standardized to 30-day supplies 780 Days of Medication total across all patients in 2023 | |||
| Lamotrigine | 21 | $26.55 | ▼ Less than typical |
About Lamotrigine: Lamotrigine is used alone or with other medications to prevent and control seizures. Show more ▾ It may also be used to help prevent the extreme mood swings of bipolar disorder in adults. Lamotrigine is known as an anticonvulsant or antiepileptic drug. It is thought to work by restoring the balance of certain natural substances in the brain. This drug is not approved for use in children younger than 2 years due to an increased risk of side effects (such as infections). A phenyltriazine compound, sodium and calcium channel blocker that is used for the treatment of SEIZURES and BIPOLAR DISORDER. In 2023, this provider wrote 21 Medicare prescriptions for Lamotrigine, about half the volume of the typical California prescriber of this medication (41). Medicare paid an average of $26.55 per fill, versus $17.04 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. 39 30-Day Fills standardized to 30-day supplies 1,170 Days of Medication total across all patients in 2023 | |||
| Sertraline Hcl | 20 | $23.40 | ▼ Less than typical |
About Sertraline Hcl: Sertraline is used to treat depression, panic attacks, obsessive compulsive disorder, post-traumatic stress disorder, social anxiety disorder (social phobia), and a severe form of premenstrual syndrome (premenstrual dysphoric disorder). Show more ▾ This medication may improve your mood, sleep, appetite, and energy level and may help restore your interest in daily living. It may decrease fear, anxiety, unwanted thoughts, and the number of panic attacks. It may also reduce the urge to perform repeated tasks (compulsions such as hand-washing, counting, and checking) that interfere with daily living. Sertraline is known as a selective serotonin reuptake inhibitor (SSRI). It works by helping to restore the balance of a certain natural substance (serotonin) in the brain. In 2023, this provider wrote 20 Medicare prescriptions for Sertraline Hcl, about half the volume of the typical California prescriber of this medication (45). Medicare paid an average of $23.40 per fill, versus $12.11 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. 28 30-Day Fills standardized to 30-day supplies 832 Days of Medication total across all patients in 2023 | |||
| Fluoxetine Hcl | 17 | $20.03 | ▼ Less than typical |
About Fluoxetine Hcl: This long-acting form of fluoxetine is used to treat depression in people who have been successfully treated with the form of fluoxetine that is taken daily. Show more ▾ Fluoxetine is a selective serotonin reuptake inhibitor (SSRI). SSRIs work by helping to restore the balance of certain natural substances in the brain (neurotransmitters such as serotonin). Fluoxetine may decrease anxiety, improve your mood, sleep, appetite, and energy level and may help restore your interest in daily living. The first highly specific serotonin uptake inhibitor. It is used as an antidepressant and often has a more acceptable side-effects profile than traditional antidepressants. In 2023, this provider wrote 17 Medicare prescriptions for Fluoxetine Hcl, about half the volume of the typical California prescriber of this medication (34). Medicare paid an average of $20.03 per fill, versus $15.32 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. 33 30-Day Fills standardized to 30-day supplies 990 Days of Medication total across all patients in 2023 | |||
| Risperidone | 13 | $36.67 | ▼ Less than typical |
About Risperidone: Risperidone is used to treat a certain mental/mood disorder called schizophrenia. Show more ▾ This medication can decrease hallucinations, help you to think more clearly and positively about yourself, feel less agitated, and take a more active part in everyday life. Risperidone is an antipsychotic drug (atypical type). It works by helping to restore the balance of certain natural substances in the brain. A selective blocker of DOPAMINE D2 RECEPTORS and SEROTONIN 5-HT2 RECEPTORS that acts as an atypical antipsychotic agent. It has been shown to improve both positive and negative symptoms in the treatment of SCHIZOPHRENIA. In 2023, this provider wrote 13 Medicare prescriptions for Risperidone, about a quarter of the volume of the typical California prescriber of this medication (52). Medicare paid an average of $36.67 per fill, versus $15.57 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. 13 30-Day Fills standardized to 30-day supplies 390 Days of Medication total across all patients in 2023 | |||
| Haloperidol | 12 | $19.82▼ below CA avg | ▼ Less than typical |
About Haloperidol: Haloperidol is used to treat certain mental/mood disorders (such as schizophrenia, schizoaffective disorders). Show more ▾ This medicine helps you to think more clearly, feel less nervous, and take part in everyday life. It can also help prevent suicide in people who are likely to harm themselves. It also reduces aggression and the desire to hurt others. It can decrease negative thoughts and hallucinations. Haloperidol can also be used to treat uncontrolled movements and outbursts of words/sounds related to Tourette's syndrome. Haloperidol is also used for severe behavior problems in hyperactive children when other treatments or medications have not worked. Haloperidol is a psychiatric medication (antipsychotic-type) that works by helping to restore the balance of certain natural substances in the brain (neurotransmitters). A phenyl-piperidinyl-butyrophenone that is used primarily to treat SCHIZOPHRENIA and other PSYCHOSES. It is also used in schizoaffective disorder, DELUSIONAL DISORDERS, ballism, and TOURETTE SYNDROME (a drug of choice) and occasionally as adjunctive therapy in INTELLECTUAL DISABILITY and the chorea of HUNTINGTON DISEASE. It is a potent antiemetic and is used in the treatment of intractable HICCUPS. (From AMA Drug Evaluations Annual, 1994, p279) In 2023, this provider wrote 12 Medicare prescriptions for Haloperidol, about a third of the volume of the typical California prescriber of this medication (37). Medicare paid an average of $19.82 per fill, versus $40.77 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 300 Days of Medication total across all patients in 2023 | |||
| Quetiapine Fumarate | 11 | $40.91 | ▼ Less than typical |
About Quetiapine Fumarate: This medication is used to treat certain mental/mood conditions (such as schizophrenia, bipolar disorder, sudden episodes of mania or depression associated with bipolar disorder). Show more ▾ Quetiapine is known as an anti-psychotic drug (atypical type). It works by helping to restore the balance of certain natural substances (neurotransmitters) in the brain. This medication can decrease hallucinations and improve your concentration. It helps you to think more clearly and positively about yourself, feel less nervous, and take a more active part in everyday life. It may also improve your mood, sleep, appetite, and energy level. Quetiapine can help prevent severe mood swings or decrease how often mood swings occur. A dibenzothiazepine and ANTIPSYCHOTIC AGENT that targets the SEROTONIN 5-HT2 RECEPTOR; HISTAMINE H1 RECEPTOR, adrenergic alpha1 and alpha2 receptors, as well as the DOPAMINE D1 RECEPTOR and DOPAMINE D2 RECEPTOR. It is used in the treatment of SCHIZOPHRENIA; BIPOLAR DISORDER and DEPRESSIVE DISORDER. In 2023, this provider wrote 11 Medicare prescriptions for Quetiapine Fumarate, about 20% of the volume of the typical California prescriber of this medication (56). Medicare paid an average of $40.91 per fill, versus $39.99 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. 29 30-Day Fills standardized to 30-day supplies 870 Days of Medication total across all patients in 2023 | |||
| RexultiBrexpiprazole | 11 | $1,553.28 | ▼ Less than typical |
About Rexulti: This medication is used to treat certain mental/mood disorders (such as schizophrenia, depression). Show more ▾ Brexpiprazole helps you to think more clearly, feel less nervous, and take part in everyday life. It may also help to decrease hallucinations (hearing/seeing things that are not there). In addition, this medication may improve your mood, sleep, appetite, and energy level. Brexpiprazole is a psychiatric medication that belongs to the class of drugs called atypical antipsychotics. It works by helping to restore the balance of certain natural substances in the brain. In 2023, this provider wrote 11 Medicare prescriptions for Rexulti, about a third of the volume of the typical California prescriber of this medication (27). Medicare paid an average of $1,553.28 per fill, versus $1,526.59 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 330 Days of Medication total across all patients in 2023 | |||
About this data. The prescription history for CATHERINE SCHUYLER BRENNAN 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 Psychiatry prescribing approach at this Davis, 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.
