FREDERICK KOEHLER NP
Prescription History 1134814965
Nurse Practitioner - Psychiatric/Mental Health in Newport Beach, CA
What does Frederick Koehler prescribe?
In 2024, Frederick Koehler wrote 186 Medicare prescriptions for 11 medications. The most prescribed was Lamotrigine, with 29 prescriptions for 12 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 Frederick Koehler 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
Lamotrigine is used alone or with other medications to prevent and control seizures.
Compared with California prescribers
Frederick Koehler wrote 29 prescriptions for Lamotrigine, about 74% as often as the typical California prescriber of it (39). Medicare paid $6.19 per fill, versus $14.45 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 certain mental/mood disorders (such as schizophrenia, bipolar disorder, sudden episodes of mania or depression associated with bipolar disorder).
Compared with California prescribers
Frederick Koehler wrote 29 prescriptions for Quetiapine Fumarate, about half as often as the typical California prescriber of it (55). Medicare paid $21.28 per fill, versus $19.69 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
Frederick Koehler wrote 17 prescriptions for Clonazepam, about half as often as the typical California prescriber of it (40). Medicare paid $3.29 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 depression.
Compared with California prescribers
Frederick Koehler wrote 17 prescriptions for Trazodone Hcl, about 30% as often as the typical California prescriber of it (57). Medicare paid $6.05 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
Hydroxyzine is used to treat itching caused by allergies.
Compared with California prescribers
Frederick Koehler wrote 16 prescriptions for Hydroxyzine Hcl, about half as often as the typical California prescriber of it (28). Medicare paid $13.53 per fill, versus $13.85 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 California prescribers
Frederick Koehler wrote 14 prescriptions for Alprazolam, about 28% as often as the typical California prescriber of it (50). Medicare paid $5.17 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 certain mental/mood disorders (such as depression, panic attacks, obsessive compulsive disorder, post-traumatic stress disorder, social anxiety disorder).
Compared with California prescribers
Frederick Koehler wrote 14 prescriptions for Sertraline Hcl, about 31% as often as the typical California prescriber of it (46). Medicare paid $7.62 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 anxiety.
Compared with California prescribers
Frederick Koehler wrote 13 prescriptions for Buspirone Hcl, about 35% as often as the typical California prescriber of it (37). Medicare paid $8.56 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
This medication is used to treat certain mental/mood disorders (such as depression, anxiety).
Compared with California prescribers
Frederick Koehler wrote 13 prescriptions for Escitalopram Oxalate, about 27% as often as the typical California prescriber of it (48). Medicare paid $15.36 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
This medication is used to treat obsessive-compulsive disorder (OCD).
Compared with California prescribers
Frederick Koehler wrote 12 prescriptions for Fluvoxamine Maleate, about half as often as the typical California prescriber of it (23). Medicare paid $16.89 per fill, versus $40.43 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
Gabapentin is used with other medications to prevent and control seizures.
Compared with California prescribers
Frederick Koehler wrote 12 prescriptions for Gabapentin, about 15% as often as the typical California prescriber of it (80). Medicare paid $9.96 per fill, versus $15.63 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
Questions about Frederick Koehler’s prescriptions
What does Frederick Koehler prescribe most?
In 2024 Medicare Part D data, Frederick Koehler's most prescribed medications were Lamotrigine (29), Quetiapine Fumarate (29) and Clonazepam (17).
How does Frederick Koehler's prescribing compare with other California prescribers?
Of the 11 medications with a state comparison, Frederick Koehler prescribes 11 less often than the typical California prescriber. Volume reflects practice size as well as prescribing habits.
Does this list show every medication Frederick Koehler 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.
