JOSEPH SON MD
Prescription History 1356978621
Psychiatry & Neurology - Psychiatry in Orange, CA
What does Dr. Son prescribe?
In 2024, Dr. Son wrote 174 Medicare prescriptions for 11 medications. The most prescribed was Sertraline Hcl, with 26 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. Son prescribes.
Medications 11 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 California prescribers.
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 California prescribers
Dr. Son wrote 26 prescriptions for Sertraline Hcl, about half as often as the typical California prescriber of it (46). Medicare paid $7.45 per fill, versus $9.59 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
This medication is used to treat depression.
Compared with California prescribers
Dr. Son wrote 18 prescriptions for Trazodone Hcl, about 32% as often as the typical California prescriber of it (57). Medicare paid $5.46 per fill, versus $9.93 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 certain mental/mood disorders (such as depression, anxiety, panic attacks, and social anxiety disorder).
Compared with California prescribers
Dr. Son wrote 18 prescriptions for Venlafaxine Hcl Er, about 64% as often as the typical California prescriber of it (28). Medicare paid $9.47 per fill, versus $23.92 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 California prescribers
Dr. Son wrote 17 prescriptions for Benztropine Mesylate, about 33% as often as the typical California prescriber of it (51). Medicare paid $16.36 per fill, versus $12.47 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
This medication is used to treat certain mental/mood disorders (such as depression, anxiety).
Compared with California prescribers
Dr. Son wrote 17 prescriptions for Escitalopram Oxalate, about 35% as often as the typical California prescriber of it (48). Medicare paid $14.42 per fill, versus $11.14 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 California prescribers
Dr. Son wrote 16 prescriptions for Alprazolam, about 32% as often as the typical California prescriber of it (50). Medicare paid $7.42 per fill, versus $5.37 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 California prescribers
Dr. Son wrote 14 prescriptions for Buspirone Hcl, about 38% as often as the typical California prescriber of it (37). Medicare paid $14.06 per fill, versus $13.30 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 California prescribers
Dr. Son wrote 13 prescriptions for Clonazepam, about 32% as often as the typical California prescriber of it (40). Medicare paid $7.21 per fill, versus $7.09 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 California prescribers
Dr. Son wrote 13 prescriptions for Risperidone, about 26% as often as the typical California prescriber of it (49). Medicare paid $8.02 per fill, versus $13.84 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
Atomoxetine is used to treat attention-deficit hyperactivity disorder (ADHD) as part of a total treatment plan, including psychological, social, and other treatments.
Compared with California prescribers
Dr. Son wrote 11 prescriptions for Atomoxetine Hcl, about 60% as often as the typical California prescriber of it (18). Medicare paid $94.37 per fill, versus $85.15 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 a beta blocker used to treat high blood pressure, irregular heartbeats, shaking (tremors), and other conditions.
Compared with California prescribers
Dr. Son wrote 11 prescriptions for Propranolol Hcl, about half as often as the typical California prescriber of it (25). Medicare paid $13.18 per fill, versus $20.69 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. Son’s prescriptions
What does Dr. Son prescribe most?
In 2024 Medicare Part D data, Dr. Son's most prescribed medications were Sertraline Hcl (26), Trazodone Hcl (18) and Venlafaxine Hcl Er (18).
How does Dr. Son's prescribing compare with other California prescribers?
Of the 11 medications with a state comparison, Dr. Son prescribes 11 less often than the typical California prescriber. Volume reflects practice size as well as prescribing habits.
Does this list show every medication Dr. Son 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 California 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.