DR. GARY A. CASACCIO M.D.
Prescription History 1063593721
Psychiatry & Neurology - Psychiatry in Wheaton, IL
What does Dr. Casaccio prescribe?
In 2024, Dr. Casaccio wrote 641 Medicare prescriptions for 22 medications. The most prescribed was Escitalopram Oxalate, with 67 prescriptions.
Medicare Part D only. These are prescriptions filled by people with Medicare drug coverage in 2024, from the CMS data released in 2026, the most recent year available. CMS does not publish medications with fewer than 11 prescriptions, so this is not a full list of what Dr. Casaccio prescribes.
Medications 22 medications
Prescriptions filled under Medicare Part D in 2024. Select a medication to see what it is used for and how it compares with other Illinois prescribers.
What it is used for
This medication is used to treat certain mental/mood disorders (such as depression, anxiety).
Compared with Illinois prescribers
Dr. Casaccio wrote 67 prescriptions for Escitalopram Oxalate, about as often as the typical Illinois prescriber of it (60). Medicare paid $14.68 per fill, versus $12.18 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to treat certain mental/mood disorders (such as depression, panic attacks, obsessive compulsive disorder, post-traumatic stress disorder, social anxiety disorder).
Compared with Illinois prescribers
Dr. Casaccio wrote 57 prescriptions for Sertraline Hcl, about 83% as often as the typical Illinois prescriber of it (69). Medicare paid $9.12 per fill, versus $8.82 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Clonazepam is used to prevent and control seizures.
Compared with Illinois prescribers
Dr. Casaccio wrote 50 prescriptions for Clonazepam, about as often as the typical Illinois prescriber of it (48). Medicare paid $5.17 per fill, versus $7.29 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to treat certain mental/mood disorders (such as depression, anxiety, panic attacks, and social anxiety disorder).
Compared with Illinois prescribers
Dr. Casaccio wrote 44 prescriptions for Venlafaxine Hcl Er, about 1.2 times as often as the typical Illinois prescriber of it (37). Medicare paid $15.41 per fill, versus $17.70 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to treat depression.
Compared with Illinois prescribers
Dr. Casaccio wrote 42 prescriptions for Bupropion Xl, about as often as the typical Illinois prescriber of it (38). Medicare paid $32.98 per fill, versus $23.87 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to treat depression.
Compared with Illinois prescribers
Dr. Casaccio wrote 35 prescriptions for Citalopram Hbr, about 85% as often as the typical Illinois prescriber of it (41). Medicare paid $7.65 per fill, versus $6.81 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to treat certain mental/mood disorders (such as depression, anxiety).
Compared with Illinois prescribers
Dr. Casaccio wrote 34 prescriptions for Duloxetine Hcl, about 64% as often as the typical Illinois prescriber of it (53). Medicare paid $15.69 per fill, versus $21.99 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to treat depression.
Compared with Illinois prescribers
Dr. Casaccio wrote 32 prescriptions for Trazodone Hcl, about half as often as the typical Illinois prescriber of it (63). Medicare paid $7.78 per fill, versus $8.47 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Alprazolam is used to treat anxiety and panic disorders.
Compared with Illinois prescribers
Dr. Casaccio wrote 31 prescriptions for Alprazolam, about half as often as the typical Illinois prescriber of it (65). Medicare paid $12.79 per fill, versus $6.66 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to treat certain mental/mood disorders (such as bipolar disorder, schizophrenia, Tourette's syndrome, and irritability associated with autistic disorder).
Compared with Illinois prescribers
Dr. Casaccio wrote 30 prescriptions for Aripiprazole, about 66% as often as the typical Illinois prescriber of it (46). Medicare paid $10.06 per fill, versus $74.72 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to treat depression.
Compared with Illinois prescribers
Dr. Casaccio wrote 27 prescriptions for Mirtazapine, about half as often as the typical Illinois prescriber of it (53). Medicare paid $41.17 per fill, versus $18.12 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to treat depression.
Compared with Illinois prescribers
Dr. Casaccio wrote 24 prescriptions for Bupropion Hcl Sr, about 89% as often as the typical Illinois prescriber of it (27). Medicare paid $16.60 per fill, versus $19.57 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Lisdexamfetamine is used to treat attention deficit hyperactivity disorder (ADHD) as part of a total treatment plan, including psychological, social, and other treatments.
Compared with Illinois prescribers
Dr. Casaccio wrote 24 prescriptions for Lisdexamfetamine Dimesylate, about 1.4 times as often as the typical Illinois prescriber of it (17). Medicare paid $214.16 per fill, versus $212.39 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to treat depression.
Compared with Illinois prescribers
Dr. Casaccio wrote 22 prescriptions for Desvenlafaxine Succinate Er, about 79% as often as the typical Illinois prescriber of it (28). Medicare paid $76.98 per fill, versus $57.93 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to treat anxiety.
Compared with Illinois prescribers
Dr. Casaccio wrote 22 prescriptions for Lorazepam, about half as often as the typical Illinois prescriber of it (48). Medicare paid $5.55 per fill, versus $6.59 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Zolpidem is used for a short time to treat a certain sleep problem (insomnia) in adults.
Compared with Illinois prescribers
Dr. Casaccio wrote 22 prescriptions for Zolpidem Tartrate, about half as often as the typical Illinois prescriber of it (40). Medicare paid $7.37 per fill, versus $6.08 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to treat certain mental/mood disorders (such as schizophrenia, bipolar disorder, sudden episodes of mania or depression associated with bipolar disorder).
Compared with Illinois prescribers
Dr. Casaccio wrote 17 prescriptions for Quetiapine Fumarate, about 25% as often as the typical Illinois prescriber of it (69). Medicare paid $14.53 per fill, versus $17.32 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to treat certain mental/mood disorders (such as schizophrenia, bipolar disorder, irritability associated with autistic disorder).
Compared with Illinois prescribers
Dr. Casaccio wrote 15 prescriptions for Risperidone, about 23% as often as the typical Illinois prescriber of it (66). Medicare paid $8.52 per fill, versus $12.77 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This combination medication is used to treat attention deficit hyperactivity disorder - ADHD.
Compared with Illinois prescribers
Dr. Casaccio wrote 12 prescriptions for Dextroamphetamine-Amphetamine, about 41% as often as the typical Illinois prescriber of it (30). Medicare paid $30.02 per fill, versus $27.84 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Lamotrigine is used alone or with other medications to prevent and control seizures.
Compared with Illinois prescribers
Dr. Casaccio wrote 12 prescriptions for Lamotrigine, about 24% as often as the typical Illinois prescriber of it (50). Medicare paid $9.16 per fill, versus $12.11 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to treat attention deficit hyperactivity disorder - ADHD.
Compared with Illinois prescribers
Dr. Casaccio wrote 11 prescriptions for Methylphenidate Hcl, about half as often as the typical Illinois prescriber of it (22). Medicare paid $9.22 per fill, versus $22.66 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to treat depression.
Compared with Illinois prescribers
Dr. Casaccio wrote 11 prescriptions for Vilazodone Hcl, about half as often as the typical Illinois prescriber of it (20). Medicare paid $40.08 per fill, versus $106.93 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
Questions about Dr. Casaccio’s prescriptions
What does Dr. Casaccio prescribe most?
In 2024 Medicare Part D data, Dr. Casaccio's most prescribed medications were Escitalopram Oxalate (67), Sertraline Hcl (57) and Clonazepam (50).
How does Dr. Casaccio's prescribing compare with other Illinois prescribers?
Of the 22 medications with a state comparison, Dr. Casaccio prescribes 1 more often than the typical Illinois prescriber, 8 about as often and 13 less often. Volume reflects practice size as well as prescribing habits.
Does this list show every medication Dr. Casaccio prescribes?
No. It covers prescriptions filled by people with Medicare Part D drug coverage in 2024, and CMS leaves out any medication with fewer than 11 prescriptions.
About this data
This page shows one provider’s slice of public Medicare files. NPI Profile does not receive prescriptions or patient records.
| Source | What it provides here | Data year |
|---|---|---|
| CMS Medicare Part D Prescribers by Provider and Drug | Each medication, prescriptions, patients, 30-day fills, days of medication and cost. State comparisons average the Illinois prescribers of the same medication and form, where at least five wrote it. | 2024 (released 2026, the most recent available) |
| CMS Medicare Part D Drug Spending Dashboard | What each medication is used for. | 2024 |
- Only prescriptions filled by people with Medicare Part D drug coverage are counted. Private insurance, Medicaid and cash purchases are not.
- CMS leaves out medications with fewer than 11 prescriptions and hides patient counts under 11.
- Cost per fill is what the plan and the patient paid the pharmacy together, not what you pay at the counter.
- Medication descriptions are summaries from CMS. They are not medical advice; ask a health care professional about any medication.
