CATHERINE SCHUYLER BRENNAN MD
Prescription History 1346354990
Psychiatry & Neurology - Psychiatry in Davis, CA

NPI Status: Active since August 19, 2006

Contact Information

1590 DREW AVE STE 200
DAVIS, CA
ZIP 95618
Phone: (855) 501-1004

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Prescription History for Informed Healthcare Decisions

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.


Clonazepam

Generic Formulation: ClonazepamSpecialty: Psychiatry & Neurology
Provider Metrics Summary
Total Claims 28
30-Day Fills 32.0
Days Supply 895
CA State Average Benchmarks
Peer Average Claims41.0
Peer Average 30-Day Fills45.8
Peer Average Days Supply1,297
Conservative Utilization

This provider writes prescriptions for this formulation 31.7% less frequently than the standard regional baseline metric for practitioners inside CA. Gross expenditures recorded under Medicare program tracking definitions for this provider calculate to an estimated aggregate of $394.94 across this reporting matrix range.

Provider Avg Cost Per Claim

$14.11

State Avg Cost Per Claim

$9.00

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.

Clinical Summary

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.

Therapeutic Applications

Clonazepam is used to prevent and control seizures. 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.

Fluoxetine Hcl

Generic Formulation: Fluoxetine HclSpecialty: Psychiatry & Neurology
Provider Metrics Summary
Total Claims 17
30-Day Fills 33.0
Days Supply 990
CA State Average Benchmarks
Peer Average Claims34.0
Peer Average 30-Day Fills70.3
Peer Average Days Supply2,079
Conservative Utilization

This provider writes prescriptions for this formulation 50.0% less frequently than the standard regional baseline metric for practitioners inside CA. Gross expenditures recorded under Medicare program tracking definitions for this provider calculate to an estimated aggregate of $340.45 across this reporting matrix range.

Provider Avg Cost Per Claim

$20.03

State Avg Cost Per Claim

$15.32

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.

Clinical Summary

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.

Therapeutic Applications

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. 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.

Fluvoxamine Maleate

Generic Formulation: Fluvoxamine MaleateSpecialty: Psychiatry & Neurology
Provider Metrics Summary
Total Claims 31
30-Day Fills 39.0
Days Supply 1,170
CA State Average Benchmarks
Peer Average Claims25.0
Peer Average 30-Day Fills29.2
Peer Average Days Supply795
Standard Average Utilization

This provider's prescribing patterns for this therapeutic formulation sit directly in line with standard baseline averages across CA. Gross expenditures recorded under Medicare program tracking definitions for this provider calculate to an estimated aggregate of $2,540.44 across this reporting matrix range.

Provider Avg Cost Per Claim

$81.95

State Avg Cost Per Claim

$45.65

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.

Clinical Summary

A selective serotonin reuptake inhibitor that is used in the treatment of DEPRESSION and a variety of ANXIETY DISORDERS.

Therapeutic Applications

Fluvoxamine is used to treat obsessive-compulsive disorder (OCD). 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.

Haloperidol

Generic Formulation: HaloperidolSpecialty: Psychiatry & Neurology
Provider Metrics Summary
Total Claims 12
30-Day Fills 12.0
Days Supply 300
CA State Average Benchmarks
Peer Average Claims37.0
Peer Average 30-Day Fills40.4
Peer Average Days Supply1,080
Highly Conservative Utilization

This provider demonstrates a highly selective approach to this formula, recording 67.6% less volume than the regional standard for practitioners inside CA. Gross expenditures recorded under Medicare program tracking definitions for this provider calculate to an estimated aggregate of $237.84 across this reporting matrix range.

Provider Avg Cost Per Claim

$19.82

State Avg Cost Per Claim

$40.77

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.

Clinical Summary

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)

Therapeutic Applications

Haloperidol is used to treat certain mental/mood disorders (such as schizophrenia, schizoaffective disorders). 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).

Lamotrigine

Generic Formulation: LamotrigineSpecialty: Psychiatry & Neurology
Provider Metrics Summary
Total Claims 21
30-Day Fills 39.0
Days Supply 1,170
CA State Average Benchmarks
Peer Average Claims41.0
Peer Average 30-Day Fills67.5
Peer Average Days Supply1,973
Conservative Utilization

This provider writes prescriptions for this formulation 48.8% less frequently than the standard regional baseline metric for practitioners inside CA. Gross expenditures recorded under Medicare program tracking definitions for this provider calculate to an estimated aggregate of $557.63 across this reporting matrix range.

Provider Avg Cost Per Claim

$26.55

State Avg Cost Per Claim

$17.04

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.

Clinical Summary

A phenyltriazine compound, sodium and calcium channel blocker that is used for the treatment of SEIZURES and BIPOLAR DISORDER.

Therapeutic Applications

Lamotrigine is used alone or with other medications to prevent and control seizures. 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).

Lorazepam

Generic Formulation: LorazepamSpecialty: Psychiatry & Neurology
Provider Metrics Summary
Total Claims 26
30-Day Fills 26.0
Days Supply 780
CA State Average Benchmarks
Peer Average Claims45.0
Peer Average 30-Day Fills48.5
Peer Average Days Supply1,223
Conservative Utilization

This provider writes prescriptions for this formulation 42.2% less frequently than the standard regional baseline metric for practitioners inside CA. Gross expenditures recorded under Medicare program tracking definitions for this provider calculate to an estimated aggregate of $116.59 across this reporting matrix range.

Provider Avg Cost Per Claim

$4.48

State Avg Cost Per Claim

$7.40

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.

Clinical Summary

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.

Therapeutic Applications

This medication is used to treat serious seizures that do not stop (status epilepticus). 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.

Quetiapine Fumarate

Generic Formulation: Quetiapine FumarateSpecialty: Psychiatry & Neurology
Provider Metrics Summary
Total Claims 11
30-Day Fills 29.0
Days Supply 870
CA State Average Benchmarks
Peer Average Claims56.0
Peer Average 30-Day Fills75.8
Peer Average Days Supply2,143
Highly Conservative Utilization

This provider demonstrates a highly selective approach to this formula, recording 80.4% less volume than the regional standard for practitioners inside CA. Gross expenditures recorded under Medicare program tracking definitions for this provider calculate to an estimated aggregate of $450.01 across this reporting matrix range.

Provider Avg Cost Per Claim

$40.91

State Avg Cost Per Claim

$39.99

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.

Clinical Summary

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.

Therapeutic Applications

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). 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.

Rexulti

Generic Formulation: BrexpiprazoleSpecialty: Psychiatry & Neurology
Provider Metrics Summary
Total Claims 11
30-Day Fills 11.0
Days Supply 330
CA State Average Benchmarks
Peer Average Claims27.0
Peer Average 30-Day Fills30.2
Peer Average Days Supply871
Highly Conservative Utilization

This provider demonstrates a highly selective approach to this formula, recording 59.3% less volume than the regional standard for practitioners inside CA. Gross expenditures recorded under Medicare program tracking definitions for this provider calculate to an estimated aggregate of $17,086.13 across this reporting matrix range.

Provider Avg Cost Per Claim

$1,553.28

State Avg Cost Per Claim

$1,526.59

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.

Therapeutic Applications

This medication is used to treat certain mental/mood disorders (such as schizophrenia, depression). 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.

Risperidone

Generic Formulation: RisperidoneSpecialty: Psychiatry & Neurology
Provider Metrics Summary
Total Claims 13
30-Day Fills 13.0
Days Supply 390
CA State Average Benchmarks
Peer Average Claims52.0
Peer Average 30-Day Fills62.2
Peer Average Days Supply1,699
Highly Conservative Utilization

This provider demonstrates a highly selective approach to this formula, recording 75.0% less volume than the regional standard for practitioners inside CA. Gross expenditures recorded under Medicare program tracking definitions for this provider calculate to an estimated aggregate of $476.66 across this reporting matrix range.

Provider Avg Cost Per Claim

$36.67

State Avg Cost Per Claim

$15.57

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.

Clinical Summary

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.

Therapeutic Applications

Risperidone is used to treat a certain mental/mood disorder called schizophrenia. 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.

Sertraline Hcl

Generic Formulation: Sertraline HclSpecialty: Psychiatry & Neurology
Provider Metrics Summary
Total Claims 20
30-Day Fills 28.0
Days Supply 832
CA State Average Benchmarks
Peer Average Claims45.0
Peer Average 30-Day Fills88.8
Peer Average Days Supply2,615
Highly Conservative Utilization

This provider demonstrates a highly selective approach to this formula, recording 55.6% less volume than the regional standard for practitioners inside CA. Gross expenditures recorded under Medicare program tracking definitions for this provider calculate to an estimated aggregate of $468.09 across this reporting matrix range.

Provider Avg Cost Per Claim

$23.40

State Avg Cost Per Claim

$12.11

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.

Therapeutic Applications

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). 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.

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 CATHERINE SCHUYLER BRENNAN MD provides transparency into local medical care patterns within Davis, 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 **Psychiatry** 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.