MELISSA LYNN GRIGSBY APRN, FNP-C
Prescription History 1356094213
Nurse Practitioner - Family in Denton, TX
What does Melissa Grigsby prescribe?
In 2024, Melissa Grigsby wrote 63 Medicare prescriptions for 3 medications. The most prescribed was Ondansetron Odt (ondansetron), with 28 prescriptions for 24 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 Grigsby prescribes.
Medications 3 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 Texas prescribers.
What it is used for
This medication is used alone or with other medications to prevent nausea and vomiting caused by cancer drug treatment (chemotherapy) and radiation therapy.
Compared with Texas prescribers
Melissa Grigsby wrote 28 prescriptions for Ondansetron Odt, about as often as the typical Texas prescriber of it (28). Medicare paid $13.78 per fill, versus $13.32 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 severe nausea and vomiting from certain causes (for example, after surgery or cancer treatment).
Compared with Texas prescribers
Melissa Grigsby wrote 24 prescriptions for Prochlorperazine Maleate, about 82% as often as the typical Texas prescriber of it (29). Medicare paid $13.79 per fill, versus $14.01 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 mineral supplement used to treat or prevent low amounts of potassium in the blood.
Compared with Texas prescribers
Melissa Grigsby wrote 11 prescriptions for Potassium Chloride, about 18% as often as the typical Texas prescriber of it (62). Medicare paid $12.83 per fill, versus $19.18 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 Grigsby’s prescriptions
What does Melissa Grigsby prescribe most?
In 2024 Medicare Part D data, Melissa Grigsby's most prescribed medications were Ondansetron Odt (28), Prochlorperazine Maleate (24) and Potassium Chloride (11).
How does Melissa Grigsby's prescribing compare with other Texas prescribers?
Of the 3 medications with a state comparison, Melissa Grigsby prescribes 2 about as often than the typical Texas prescriber and 1 less often. Volume reflects practice size as well as prescribing habits.
Does this list show every medication Melissa Grigsby 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 Texas 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.
