MELISSA A FISCHER PMHNP-BC
Prescription History 1639509607
Nurse Practitioner - Psychiatric/Mental Health in Saint Charles, MO
What does Melissa Fischer prescribe?
In 2024, Melissa Fischer wrote 1,069 Medicare prescriptions for 32 medications. The most prescribed was Trazodone Hcl, with 76 prescriptions for 22 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 Melissa Fischer prescribes.
Medications 32 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 Missouri prescribers.
What it is used for
This medication is used to treat depression.
Compared with Missouri prescribers
Melissa Fischer wrote 76 prescriptions for Trazodone Hcl, about 82% as often as the typical Missouri prescriber of it (93). Medicare paid $3.78 per fill, versus $7.90 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 Missouri prescribers
Melissa Fischer wrote 73 prescriptions for Aripiprazole, about 1.4 times as often as the typical Missouri prescriber of it (54). Medicare paid $48.42 per fill, versus $60.37 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, anxiety, panic attacks, and social anxiety disorder).
Compared with Missouri prescribers
Melissa Fischer wrote 70 prescriptions for Venlafaxine Hcl Er, about 1.5 times as often as the typical Missouri prescriber of it (47). Medicare paid $14.72 per fill, versus $21.58 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 Missouri prescribers
Melissa Fischer wrote 61 prescriptions for Clonazepam, about as often as the typical Missouri prescriber of it (65). Medicare paid $11.52 per fill, versus $8.79 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
Alprazolam is used to treat anxiety and panic disorders.
Compared with Missouri prescribers
Melissa Fischer wrote 58 prescriptions for Alprazolam, about half as often as the typical Missouri prescriber of it (112). Medicare paid $3.58 per fill, versus $4.98 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
Lamotrigine is used alone or with other medications to prevent and control seizures.
Compared with Missouri prescribers
Melissa Fischer wrote 58 prescriptions for Lamotrigine, about as often as the typical Missouri prescriber of it (59). Medicare paid $6.11 per fill, versus $13.12 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 certain mental/mood disorders (such as depression, panic attacks, obsessive compulsive disorder, post-traumatic stress disorder, social anxiety disorder).
Compared with Missouri prescribers
Melissa Fischer wrote 53 prescriptions for Sertraline Hcl, about 64% as often as the typical Missouri prescriber of it (82). Medicare paid $2.50 per fill, versus $7.86 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).
Compared with Missouri prescribers
Melissa Fischer wrote 52 prescriptions for Olanzapine, about 87% as often as the typical Missouri prescriber of it (60). Medicare paid $17.98 per fill, versus $23.83 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 Missouri prescribers
Melissa Fischer wrote 47 prescriptions for Buspirone Hcl, about 74% as often as the typical Missouri prescriber of it (63). Medicare paid $9.65 per fill, versus $13.90 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 Missouri prescribers
Melissa Fischer wrote 43 prescriptions for Fluoxetine Hcl, about 83% as often as the typical Missouri prescriber of it (52). Medicare paid $3.44 per fill, versus $9.54 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 Missouri prescribers
Melissa Fischer wrote 42 prescriptions for Escitalopram Oxalate, about 62% as often as the typical Missouri prescriber of it (68). Medicare paid $3.94 per fill, versus $9.52 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 Missouri prescribers
Melissa Fischer wrote 42 prescriptions for Quetiapine Fumarate, about 61% as often as the typical Missouri prescriber of it (69). Medicare paid $15.55 per fill, versus $16.57 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 depression.
Compared with Missouri prescribers
Melissa Fischer wrote 41 prescriptions for Bupropion Xl, about 81% as often as the typical Missouri prescriber of it (51). Medicare paid $13.40 per fill, versus $21.98 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 medication is used to treat certain mental/mood disorders (such as depression, anxiety).
Compared with Missouri prescribers
Melissa Fischer wrote 41 prescriptions for Duloxetine Hcl, about half as often as the typical Missouri prescriber of it (73). Medicare paid $14.49 per fill, versus $21.77 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 medication is used to treat depression.
Compared with Missouri prescribers
Melissa Fischer wrote 31 prescriptions for Bupropion Hcl, about 1.3 times as often as the typical Missouri prescriber of it (24). Medicare paid $11.95 per fill, versus $20.62 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 manic-depressive disorder (bipolar disorder).
Compared with Missouri prescribers
Melissa Fischer wrote 31 prescriptions for Lithium Carbonate, about 85% as often as the typical Missouri prescriber of it (36). Medicare paid $4.81 per fill, versus $8.52 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 Missouri prescribers
Melissa Fischer wrote 22 prescriptions for Hydroxyzine Pamoate, about 61% as often as the typical Missouri prescriber of it (36). Medicare paid $15.92 per fill, versus $13.09 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, depression).
Compared with Missouri prescribers
Melissa Fischer wrote 22 prescriptions for Rexulti, about 64% as often as the typical Missouri prescriber of it (34). Medicare paid $1,551.65 per fill, versus $1,267.06 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
Topiramate is used alone or with other medications to prevent and control seizures (epilepsy).
Compared with Missouri prescribers
Melissa Fischer wrote 20 prescriptions for Topiramate, about half as often as the typical Missouri prescriber of it (42). Medicare paid $10.81 per fill, versus $10.57 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
Gabapentin is used with other medications to prevent and control seizures.
Compared with Missouri prescribers
Melissa Fischer wrote 18 prescriptions for Gabapentin, about 16% as often as the typical Missouri prescriber of it (115). Medicare paid $14.38 per fill, versus $15.91 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 Missouri prescribers
Melissa Fischer wrote 17 prescriptions for Hydroxyzine Hcl, about half as often as the typical Missouri prescriber of it (40). Medicare paid $19.14 per fill, versus $17.74 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).
Compared with Missouri prescribers
Melissa Fischer wrote 17 prescriptions for Ziprasidone Hcl, about half as often as the typical Missouri prescriber of it (31). Medicare paid $13.14 per fill, versus $70.88 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 Missouri prescribers
Melissa Fischer wrote 14 prescriptions for Benztropine Mesylate, about 22% as often as the typical Missouri prescriber of it (63). Medicare paid $12.36 per fill, versus $12.46 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
This medication is used to treat seizure disorders, certain psychiatric conditions (manic phase of bipolar disorder), and to prevent migraine headaches.
Compared with Missouri prescribers
Melissa Fischer wrote 14 prescriptions for Divalproex Sodium, about 22% as often as the typical Missouri prescriber of it (64). Medicare paid $6.51 per fill, versus $38.12 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 certain mental/mood disorders (such as depression, anxiety).
Compared with Missouri prescribers
Melissa Fischer wrote 14 prescriptions for Doxepin Hcl, about half as often as the typical Missouri prescriber of it (30). Medicare paid $19.91 per fill, versus $29.36 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 Missouri prescribers
Melissa Fischer wrote 14 prescriptions for Lorazepam, about 23% as often as the typical Missouri prescriber of it (61). Medicare paid $3.18 per fill, versus $6.67 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 Missouri prescribers
Melissa Fischer wrote 13 prescriptions for Citalopram Hbr, about 24% as often as the typical Missouri prescriber of it (55). Medicare paid $2.35 per fill, versus $5.80 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
Diazepam is used to treat anxiety, alcohol withdrawal, and seizures.
Compared with Missouri prescribers
Melissa Fischer wrote 13 prescriptions for Diazepam, about 35% as often as the typical Missouri prescriber of it (38). Medicare paid $2.84 per fill, versus $7.07 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, schizoaffective disorder).
Compared with Missouri prescribers
Melissa Fischer wrote 13 prescriptions for Invega Sustenna, about 27% as often as the typical Missouri prescriber of it (48). Medicare paid $3,310.83 per fill, versus $3,213.89 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, depression associated with bipolar disorder).
Compared with Missouri prescribers
Melissa Fischer wrote 13 prescriptions for Lurasidone Hcl, about 31% as often as the typical Missouri prescriber of it (42). Medicare paid $543.79 per fill, versus $172.40 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 Missouri prescribers
Melissa Fischer wrote 13 prescriptions for Mirtazapine, about 21% as often as the typical Missouri prescriber of it (61). Medicare paid $24.74 per fill, versus $17.80 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 alone or with other medications to treat Parkinson's disease.
Compared with Missouri prescribers
Melissa Fischer wrote 13 prescriptions for Ropinirole Hcl, about 29% as often as the typical Missouri prescriber of it (44). Medicare paid $9.28 per fill, versus $15.58 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
Questions about Melissa Fischer’s prescriptions
What does Melissa Fischer prescribe most?
In 2024 Medicare Part D data, Melissa Fischer's most prescribed medications were Trazodone Hcl (76), Aripiprazole (73) and Venlafaxine Hcl Er (70).
How does Melissa Fischer's prescribing compare with other Missouri prescribers?
Of the 32 medications with a state comparison, Melissa Fischer prescribes 3 more often than the typical Missouri prescriber, 7 about as often and 22 less often. Volume reflects practice size as well as prescribing habits.
Does this list show every medication Melissa Fischer 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 Missouri 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.