DR. ROBERT IRA SACK M.D.
Prescription History 1124148721
Psychiatry & Neurology - Psychiatry in Lancaster, PA
What does Dr. Sack prescribe?
In 2024, Dr. Sack wrote 442 Medicare prescriptions for 19 medications. The most prescribed was Clonazepam, with 58 prescriptions for 13 patients.
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. Sack prescribes.
Medications 19 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 Pennsylvania prescribers.
What it is used for
Clonazepam is used to prevent and control seizures.
Compared with Pennsylvania prescribers
Dr. Sack wrote 58 prescriptions for Clonazepam, about as often as the typical Pennsylvania prescriber of it (54). Medicare paid $14.96 per fill, versus $7.62 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 Pennsylvania prescribers
Dr. Sack wrote 50 prescriptions for Trazodone Hcl, about 73% as often as the typical Pennsylvania prescriber of it (68). Medicare paid $12.19 per fill, versus $8.85 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 Pennsylvania prescribers
Dr. Sack wrote 30 prescriptions for Alprazolam, about half as often as the typical Pennsylvania prescriber of it (66). Medicare paid $5.50 per fill, versus $5.46 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 Pennsylvania prescribers
Dr. Sack wrote 30 prescriptions for Clozapine, about half as often as the typical Pennsylvania prescriber of it (68). Medicare paid $31.65 per fill, versus $64.04 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 Pennsylvania prescribers
Dr. Sack wrote 28 prescriptions for Sertraline Hcl, about 34% as often as the typical Pennsylvania prescriber of it (83). Medicare paid $10.66 per fill, versus $10.05 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 Pennsylvania prescribers
Dr. Sack wrote 27 prescriptions for Duloxetine Hcl, about half as often as the typical Pennsylvania prescriber of it (62). Medicare paid $10.91 per fill, versus $23.41 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 Pennsylvania prescribers
Dr. Sack wrote 23 prescriptions for Benztropine Mesylate, about half as often as the typical Pennsylvania prescriber of it (54). Medicare paid $9.31 per fill, versus $10.79 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 Pennsylvania prescribers
Dr. Sack wrote 21 prescriptions for Quetiapine Fumarate, about 32% as often as the typical Pennsylvania prescriber of it (66). Medicare paid $37.31 per fill, versus $15.84 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
This medication is used to treat anxiety.
Compared with Pennsylvania prescribers
Dr. Sack wrote 20 prescriptions for Lorazepam, about 33% as often as the typical Pennsylvania prescriber of it (61). Medicare paid $5.89 per fill, versus $6.77 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
Hydroxyzine is used to treat itching caused by allergies.
Compared with Pennsylvania prescribers
Dr. Sack wrote 19 prescriptions for Hydroxyzine Hcl, about half as often as the typical Pennsylvania prescriber of it (33). Medicare paid $17.30 per fill, versus $14.22 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 Pennsylvania prescribers
Dr. Sack wrote 18 prescriptions for Zolpidem Tartrate, about half as often as the typical Pennsylvania prescriber of it (42). Medicare paid $8.80 per fill, versus $5.45 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 Pennsylvania prescribers
Dr. Sack wrote 17 prescriptions for Bupropion Xl, about 42% as often as the typical Pennsylvania prescriber of it (41). Medicare paid $46.44 per fill, versus $25.57 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 certain mental/mood disorders (such as depression, panic attacks, obsessive compulsive disorder).
Compared with Pennsylvania prescribers
Dr. Sack wrote 17 prescriptions for Fluoxetine Hcl, about 39% as often as the typical Pennsylvania prescriber of it (44). Medicare paid $33.50 per fill, versus $11.98 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 Pennsylvania prescribers
Dr. Sack wrote 16 prescriptions for Dextroamphetamine-Amphetamine, about half as often as the typical Pennsylvania prescriber of it (31). Medicare paid $39.73 per fill, versus $25.79 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 Pennsylvania prescribers
Dr. Sack wrote 15 prescriptions for Escitalopram Oxalate, about 22% as often as the typical Pennsylvania prescriber of it (67). Medicare paid $8.95 per fill, versus $12.00 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 Pennsylvania prescribers
Dr. Sack wrote 14 prescriptions for Aripiprazole, about 28% as often as the typical Pennsylvania prescriber of it (50). Medicare paid $13.93 per fill, versus $62.65 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 Pennsylvania prescribers
Dr. Sack wrote 14 prescriptions for Risperidone, about 24% as often as the typical Pennsylvania prescriber of it (59). Medicare paid $20.55 per fill, versus $13.38 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, depression, schizophrenia).
Compared with Pennsylvania prescribers
Dr. Sack wrote 14 prescriptions for Vraylar, about half as often as the typical Pennsylvania prescriber of it (31). Medicare paid $1,491.03 per fill, versus $1,397.66 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
Lamotrigine is used alone or with other medications to prevent and control seizures.
Compared with Pennsylvania prescribers
Dr. Sack wrote 11 prescriptions for Lamotrigine, about 21% as often as the typical Pennsylvania prescriber of it (53). Medicare paid $25.94 per fill, versus $13.86 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. Sack’s prescriptions
What does Dr. Sack prescribe most?
In 2024 Medicare Part D data, Dr. Sack's most prescribed medications were Clonazepam (58), Trazodone Hcl (50) and Alprazolam (30).
How does Dr. Sack's prescribing compare with other Pennsylvania prescribers?
Of the 19 medications with a state comparison, Dr. Sack prescribes 1 about as often than the typical Pennsylvania prescriber and 18 less often. Volume reflects practice size as well as prescribing habits.
Does this list show every medication Dr. Sack 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 Pennsylvania 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.
