WILLIAM RUSH M.D.
Prescription History 1689620064
Psychiatry & Neurology - Psychiatry in New York, NY
What does Dr. Rush prescribe?
In 2024, Dr. Rush wrote 142 Medicare prescriptions for 8 medications. The most prescribed was Clonazepam, with 25 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. Rush prescribes.
Medications 8 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 New York prescribers.
What it is used for
Clonazepam is used to prevent and control seizures.
Compared with New York prescribers
Dr. Rush wrote 25 prescriptions for Clonazepam, about half as often as the typical New York prescriber of it (51). Medicare paid $3.37 per fill, versus $8.71 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 New York prescribers
Dr. Rush wrote 20 prescriptions for Aripiprazole, about 41% as often as the typical New York prescriber of it (48). Medicare paid $3.47 per fill, versus $50.61 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
See also Warning section.
Compared with New York prescribers
Dr. Rush wrote 20 prescriptions for Clozapine, about 35% as often as the typical New York prescriber of it (57). Medicare paid $51.28 per fill, versus $65.57 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
This medication is used to treat seizure disorders, certain psychiatric conditions (manic phase of bipolar disorder), and to prevent migraine headaches.
Compared with New York prescribers
Dr. Rush wrote 20 prescriptions for Divalproex Sodium, about 40% as often as the typical New York prescriber of it (50). Medicare paid $22.50 per fill, versus $39.34 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 a certain mental/mood disorder (schizophrenia).
Compared with New York prescribers
Dr. Rush wrote 19 prescriptions for Haloperidol Decanoate, about 61% as often as the typical New York prescriber of it (31). Medicare paid $65.53 per fill, versus $48.61 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
Benztropine is used to treat symptoms of Parkinson's disease or involuntary movements due to the side effects of certain psychiatric drugs (antipsychotics such as chlorpromazine/haloperidol).
Compared with New York prescribers
Dr. Rush wrote 16 prescriptions for Benztropine Mesylate, about 32% as often as the typical New York prescriber of it (50). Medicare paid $10.64 per fill, versus $10.68 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 New York prescribers
Dr. Rush wrote 11 prescriptions for Quetiapine Fumarate, about 19% as often as the typical New York prescriber of it (58). Medicare paid $5.93 per fill, versus $16.33 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 New York prescribers
Dr. Rush wrote 11 prescriptions for Sertraline Hcl, about 18% as often as the typical New York prescriber of it (63). Medicare paid $5.21 per fill, versus $8.54 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. Rush’s prescriptions
What does Dr. Rush prescribe most?
In 2024 Medicare Part D data, Dr. Rush's most prescribed medications were Clonazepam (25), Aripiprazole (20) and Clozapine (20).
How does Dr. Rush's prescribing compare with other New York prescribers?
Of the 8 medications with a state comparison, Dr. Rush prescribes 8 less often than the typical New York prescriber. Volume reflects practice size as well as prescribing habits.
Does this list show every medication Dr. Rush 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 New York 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.
