RYAN MICHAEL CASSIDY M.D., PH.D.
Prescription History 1811517618
Psychiatry & Neurology - Psychiatry in Houston, TX
Medicare Part D Prescription History
Explore the verified Medicare Part D prescription history, volume metrics, and calculated drug costs for RYAN MICHAEL CASSIDY M.D., PH.D., an active Psychiatry specialist practicing in Houston, TX. Our medical registry currently tracks 19 unique pharmaceutical formulations prescribed by this provider, representing an estimated volume of 407 documented patient claims. Among these therapy options, the most frequently utilized medication is Clozapine, which accounts for 73 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 TX PrescribersVs. TX Avg |
|---|---|---|---|
| Clozapine | 73 | $86.79▼ below TX avg | ▲ More than typical |
About Clozapine: See also Warning section. Show more ▾ This medication is used to treat certain mental/mood disorders (schizophrenia, schizoaffective disorders). Clozapine is a psychiatric medication (anti-psychotic type) that works by helping to restore the balance of certain natural substances (neurotransmitters) in the brain. Clozapine decreases hallucinations and helps prevent suicide in people who are likely to try to harm themselves. It helps you to think more clearly and positively about yourself, feel less nervous, and take part in everyday life. A tricylic dibenzodiazepine, classified as an atypical antipsychotic agent. It binds several types of central nervous system receptors, and displays a unique pharmacological profile. Clozapine is a serotonin antagonist, with strong binding to 5-HT 2A/2C receptor subtype. It also displays strong affinity to several dopaminergic receptors, but shows only weak antagonism at the dopamine D2 receptor, a receptor commonly thought to modulate neuroleptic activity. Agranulocytosis is a major adverse effect associated with administration of this agent. In 2023, this provider wrote 73 Medicare prescriptions for Clozapine, about 1.8 times the volume of the typical Texas prescriber of this medication (41). Medicare paid an average of $86.79 per fill, versus $90.26 statewide. How often this provider prescribes it This provider prescribes this medication more often than the average TX 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 TX average for this medication. 73 30-Day Fills standardized to 30-day supplies 2,096 Days of Medication total across all patients in 2023 | |||
| Divalproex Sodium | 31 | $41.27▼ below TX avg | ▼ Less than typical |
About Divalproex Sodium: This medication is used to treat seizure disorders, certain psychiatric conditions (manic phase of bipolar disorder), and to prevent migraine headaches. Show more ▾ It works by restoring the balance of certain natural substances (neurotransmitters) in the brain. A fatty acid with anticonvulsant and anti-manic properties that is used in the treatment of EPILEPSY and BIPOLAR DISORDER. The mechanisms of its therapeutic actions are not well understood. It may act by increasing GAMMA-AMINOBUTYRIC ACID levels in the brain or by altering the properties of VOLTAGE-GATED SODIUM CHANNELS. In 2023, this provider wrote 31 Medicare prescriptions for Divalproex Sodium, about half the volume of the typical Texas prescriber of this medication (52). Medicare paid an average of $41.27 per fill, versus $45.97 statewide. How often this provider prescribes it This provider prescribes this medication less often than the average TX 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 TX average for this medication. 37.3 30-Day Fills standardized to 30-day supplies 1,115 Days of Medication total across all patients in 2023 | |||
| Aripiprazole | 26 | $25.66▼ below TX avg | ▼ Less than typical |
About Aripiprazole: Aripiprazole is used to treat certain mental/mood disorders (such as bipolar disorder, schizophrenia, Tourette's syndrome, and irritability associated with autistic disorder). Show more ▾ It may also be used in combination with other medication to treat depression. Aripiprazole is known as an antipsychotic drug (atypical type). It works by helping to restore the balance of certain natural chemicals in the brain (neurotransmitters). 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. Aripiprazole can treat severe mood swings and decrease how often mood swings occur. A piperazine and quinolone derivative that is used primarily as an antipsychotic agent. It is a partial agonist of SEROTONIN RECEPTOR, 5-HT1A and DOPAMINE D2 RECEPTORS, where it also functions as a post-synaptic antagonist, and an antagonist of SEROTONIN RECEPTOR, 5-HT2A. It is used for the treatment of SCHIZOPHRENIA and BIPOLAR DISORDER, and as an adjunct therapy for the treatment of depression. In 2023, this provider wrote 26 Medicare prescriptions for Aripiprazole, about 60% of the volume of the typical Texas prescriber of this medication (43). Medicare paid an average of $25.66 per fill, versus $122.73 statewide. How often this provider prescribes it This provider prescribes this medication less often than the average TX 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 TX average for this medication. 36 30-Day Fills standardized to 30-day supplies 1,055 Days of Medication total across all patients in 2023 | |||
| Trazodone Hcl | 26 | $9.59▼ below TX avg | ▼ Less than typical |
About Trazodone Hcl: This medication is used to treat depression. Show more ▾ It may help to improve your mood, appetite, and energy level as well as decrease anxiety and insomnia related to depression. Trazodone works by helping to restore the balance of a certain natural chemical (serotonin) in the brain. In 2023, this provider wrote 26 Medicare prescriptions for Trazodone Hcl, about a third of the volume of the typical Texas prescriber of this medication (64). Medicare paid an average of $9.59 per fill, versus $12.94 statewide. How often this provider prescribes it This provider prescribes this medication less often than the average TX 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 TX average for this medication. 54 30-Day Fills standardized to 30-day supplies 1,620 Days of Medication total across all patients in 2023 | |||
| Fluoxetine Hcl | 26 | $30.43 | ▼ 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 26 Medicare prescriptions for Fluoxetine Hcl, about 70% of the volume of the typical Texas prescriber of this medication (37). Medicare paid an average of $30.43 per fill, versus $14.62 statewide. How often this provider prescribes it This provider prescribes this medication less often than the average TX 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. 34 30-Day Fills standardized to 30-day supplies 1,020 Days of Medication total across all patients in 2023 | |||
| Buspirone Hcl | 25 | $28.79 | ▼ Less than typical |
About Buspirone Hcl: This medication is used to treat anxiety. Show more ▾ It may help you think more clearly, relax, worry less, and take part in everyday life. It may also help you to feel less jittery and irritable, and may control symptoms such as trouble sleeping, sweating, and pounding heartbeat. Buspirone is a medication for anxiety (anxiolytic) that works by affecting certain natural substances in the brain (neurotransmitters). In 2023, this provider wrote 25 Medicare prescriptions for Buspirone Hcl, about half the volume of the typical Texas prescriber of this medication (44). Medicare paid an average of $28.79 per fill, versus $18.95 statewide. How often this provider prescribes it This provider prescribes this medication less often than the average TX 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. 42 30-Day Fills standardized to 30-day supplies 1,260 Days of Medication total across all patients in 2023 | |||
| Gabapentin | 23 | $6.06▼ below TX avg | ▼ Less than typical |
About Gabapentin: Gabapentin is used with other medications to prevent and control seizures. Show more ▾ It is also used to relieve nerve pain following shingles (a painful rash due to herpes zoster infection) in adults. Gabapentin is known as an anticonvulsant or antiepileptic drug. A cyclohexane-gamma-aminobutyric acid derivative that is used for the treatment of PARTIAL SEIZURES; NEURALGIA; and RESTLESS LEGS SYNDROME. In 2023, this provider wrote 23 Medicare prescriptions for Gabapentin, about a quarter of the volume of the typical Texas prescriber of this medication (94). Medicare paid an average of $6.06 per fill, versus $21.94 statewide. How often this provider prescribes it This provider prescribes this medication less often than the average TX 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 TX average for this medication. 27.2 30-Day Fills standardized to 30-day supplies 749 Days of Medication total across all patients in 2023 | |||
| Bupropion XlBupropion Hcl | 21 | $42.17 | ▼ Less than typical |
About Bupropion Xl: Bupropion is used to treat depression. Show more ▾ It can improve your mood and feelings of well-being. It may work by helping to restore the balance of certain natural chemicals (neurotransmitters) in your brain. In 2023, this provider wrote 21 Medicare prescriptions for Bupropion Xl, about half the volume of the typical Texas prescriber of this medication (37). Medicare paid an average of $42.17 per fill, versus $37.71 statewide. How often this provider prescribes it This provider prescribes this medication less often than the average TX 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. 57 30-Day Fills standardized to 30-day supplies 1,710 Days of Medication total across all patients in 2023 | |||
| Lamotrigine | 21 | $12.36▼ below TX avg | ▼ 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 Texas prescriber of this medication (42). Medicare paid an average of $12.36 per fill, versus $17.15 statewide. How often this provider prescribes it This provider prescribes this medication less often than the average TX 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 TX average for this medication. 37 30-Day Fills standardized to 30-day supplies 1,108 Days of Medication total across all patients in 2023 | |||
| Mirtazapine | 17 | $11.22▼ below TX avg | ▼ Less than typical |
About Mirtazapine: Mirtazapine is used to treat depression. Show more ▾ It improves mood and feelings of well-being. Mirtazapine is an antidepressant that works by restoring the balance of natural chemicals (neurotransmitters) in the brain. A piperazinoazepine tetracyclic compound that enhances the release of NOREPINEPHRINE and SEROTONIN through blockage of presynaptic ALPHA-2 ADRENERGIC RECEPTORS. It also blocks both 5-HT2 and 5-HT3 serotonin receptors and is a potent HISTAMINE H1 RECEPTOR antagonist. It is used for the treatment of depression, and may also be useful for the treatment of anxiety disorders. In 2023, this provider wrote 17 Medicare prescriptions for Mirtazapine, about a third of the volume of the typical Texas prescriber of this medication (46). Medicare paid an average of $11.22 per fill, versus $23.34 statewide. How often this provider prescribes it This provider prescribes this medication less often than the average TX 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 TX average for this medication. 25 30-Day Fills standardized to 30-day supplies 727 Days of Medication total across all patients in 2023 | |||
| Sertraline Hcl | 17 | $12.35 | ▼ 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 17 Medicare prescriptions for Sertraline Hcl, about a third of the volume of the typical Texas prescriber of this medication (58). Medicare paid an average of $12.35 per fill, versus $11.23 statewide. How often this provider prescribes it This provider prescribes this medication less often than the average TX 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. 45 30-Day Fills standardized to 30-day supplies 1,327 Days of Medication total across all patients in 2023 | |||
| Clonazepam | 16 | $5.42▼ below TX avg | ▼ 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 16 Medicare prescriptions for Clonazepam, about a third of the volume of the typical Texas prescriber of this medication (50). Medicare paid an average of $5.42 per fill, versus $9.40 statewide. How often this provider prescribes it This provider prescribes this medication less often than the average TX 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 TX average for this medication. 16 30-Day Fills standardized to 30-day supplies 476 Days of Medication total across all patients in 2023 | |||
| Venlafaxine Hcl ErVenlafaxine Hcl | 15 | $30.95 | ▼ Less than typical |
About Venlafaxine Hcl Er: Venlafaxine is used to treat depression, anxiety, panic attacks, and social anxiety disorder (social phobia). Show more ▾ It may improve your mood and energy level and may help restore your interest in daily living. It may also decrease fear, anxiety, unwanted thoughts, and the number of panic attacks. Venlafaxine is known as a serotonin-norepinephrine reuptake inhibitor (SNRI). It works by helping to restore the balance of certain natural substances (serotonin and norepinephrine) in the brain. In 2023, this provider wrote 15 Medicare prescriptions for Venlafaxine Hcl Er, about half the volume of the typical Texas prescriber of this medication (32). Medicare paid an average of $30.95 per fill, versus $29.81 statewide. How often this provider prescribes it This provider prescribes this medication less often than the average TX 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. 25 30-Day Fills standardized to 30-day supplies 686 Days of Medication total across all patients in 2023 | |||
| Methylphenidate Hcl | 13 | $21.41▼ below TX avg | ▼ Less than typical |
About Methylphenidate Hcl: This medication is used to treat attention deficit hyperactivity disorder - ADHD. Show more ▾ It works by changing the amounts of certain natural substances in the brain. Methylphenidate belongs to a class of drugs known as stimulants. It can help increase your ability to pay attention, stay focused on an activity, and control behavior problems. It may also help you to organize your tasks and improve listening skills. In 2023, this provider wrote 13 Medicare prescriptions for Methylphenidate Hcl, about half the volume of the typical Texas prescriber of this medication (22). Medicare paid an average of $21.41 per fill, versus $37.96 statewide. How often this provider prescribes it This provider prescribes this medication less often than the average TX 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 TX average for this medication. 13 30-Day Fills standardized to 30-day supplies 346 Days of Medication total across all patients in 2023 | |||
| Diazepam | 12 | $3.01▼ below TX avg | ▼ Less than typical |
About Diazepam: This medication is used to treat episodes of increased seizures (such as cluster or breakthrough seizures) in people who are already taking medications to control their seizures. Show more ▾ This product is only recommended for short-term treatment of seizure attacks. It is not for ongoing daily use to prevent seizures. Uncontrolled seizures can turn into serious (possibly fatal) seizures that do not stop (status epilepticus). This medication is not recommended for children younger than 6 months of age because of the risk of serious side effects. Diazepam works by calming the brain and nerves. It belongs to a class of drugs known as benzodiazepines. A benzodiazepine with anticonvulsant, anxiolytic, sedative, muscle relaxant, and amnesic properties and a long duration of action. Its actions are mediated by enhancement of GAMMA-AMINOBUTYRIC ACID activity. In 2023, this provider wrote 12 Medicare prescriptions for Diazepam, about half the volume of the typical Texas prescriber of this medication (27). Medicare paid an average of $3.01 per fill, versus $7.76 statewide. How often this provider prescribes it This provider prescribes this medication less often than the average TX 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 TX average for this medication. 12 30-Day Fills standardized to 30-day supplies 246 Days of Medication total across all patients in 2023 | |||
| Naltrexone Hcl | 12 | $83.80 | ▼ Less than typical |
About Naltrexone Hcl: This medication is used to prevent people who have been addicted to certain drugs (opiates) from taking them again. Show more ▾ It is used as part of a complete treatment program for drug abuse (such as compliance monitoring, counseling, behavioral contract, lifestyle changes). This medication must not be used in people currently taking opiates, including methadone. Doing so can cause sudden withdrawal symptoms. Naltrexone belongs to a class of drugs known as opiate antagonists. It works in the brain to prevent opiate effects (such as feelings of well-being, pain relief). It also decreases the desire to take opiates. Ask your doctor or pharmacist if you should have naloxone available to treat opioid overdose. Teach your family or household members about the signs of an opioid overdose and how to treat it. This medication is also used to treat alcohol abuse. It can help people drink less alcohol or stop drinking altogether. It also decreases the desire to drink alcohol when used with a treatment program that includes counseling, support, and lifestyle changes. In 2023, this provider wrote 12 Medicare prescriptions for Naltrexone Hcl, about half the volume of the typical Texas prescriber of this medication (22). Medicare paid an average of $83.80 per fill, versus $78.21 statewide. How often this provider prescribes it This provider prescribes this medication less often than the average TX 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. 20 30-Day Fills standardized to 30-day supplies 584 Days of Medication total across all patients in 2023 | |||
| Citalopram HbrCitalopram Hydrobromide | 11 | $9.15 | ▼ Less than typical |
About Citalopram Hbr: Citalopram is used to treat depression. Show more ▾ It may improve your energy level and feelings of well-being. Citalopram 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 furancarbonitrile that is one of the SELECTIVE SEROTONIN REUPTAKE INHIBITORS used as an antidepressant. The drug is also effective in reducing ethanol uptake in alcoholics and is used in depressed patients who also suffer from TARDIVE DYSKINESIA in preference to tricyclic antidepressants, which aggravate dyskinesia. In 2023, this provider wrote 11 Medicare prescriptions for Citalopram Hbr, about a third of the volume of the typical Texas prescriber of this medication (38). Medicare paid an average of $9.15 per fill, versus $8.49 statewide. How often this provider prescribes it This provider prescribes this medication less often than the average TX 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. 17.1 30-Day Fills standardized to 30-day supplies 512 Days of Medication total across all patients in 2023 | |||
| CaplytaLumateperone Tosylate | 11 | $1,692.54 | ▼ Less than typical |
About Caplyta: Lumateperone is used to treat certain mental/mood disorders (such as schizophrenia, episodes of depression associated with bipolar disorder). Show more ▾ This medication helps you to think more clearly, feel less nervous, and take part in everyday life. It may help to decrease hallucinations (hearing/seeing things that are not there). It may also improve your mood, sleep, appetite, and energy level. Lumateperone belongs to a class of drugs known as 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 Caplyta, about half the volume of the typical Texas prescriber of this medication (23). Medicare paid an average of $1,692.54 per fill, versus $1,582.43 statewide. How often this provider prescribes it This provider prescribes this medication less often than the average TX 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 | |||
| Prazosin Hcl | 11 | $84.64 | ▼ Less than typical |
About Prazosin Hcl: Prazosin is used with or without other medications to treat high blood pressure. Show more ▾ Lowering high blood pressure helps prevent strokes, heart attacks, and kidney problems. Prazosin belongs to a class of medications called alpha blockers. It works by relaxing and widening blood vessels so blood can flow more easily. A selective adrenergic alpha-1 antagonist used in the treatment of HEART FAILURE; HYPERTENSION; PHEOCHROMOCYTOMA; RAYNAUD DISEASE; PROSTATIC HYPERTROPHY; and URINARY RETENTION. In 2023, this provider wrote 11 Medicare prescriptions for Prazosin Hcl, about a third of the volume of the typical Texas prescriber of this medication (31). Medicare paid an average of $84.64 per fill, versus $34.98 statewide. How often this provider prescribes it This provider prescribes this medication less often than the average TX 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. 27 30-Day Fills standardized to 30-day supplies 810 Days of Medication total across all patients in 2023 | |||
About this data. The prescription history for RYAN MICHAEL CASSIDY M.D., PH.D. 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 Houston, TX 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 TX prescribers of the same medication. Always confirm current medications and costs directly with the provider and your plan.
