BRITTANY MONTANA IRWIN PA-C
Prescription History 1811255607
Physician Assistant - Medical in Cleveland, TN
What does Brittany Irwin prescribe?
In 2024, Brittany Irwin wrote 234 Medicare prescriptions for 11 medications. The most prescribed was Ondansetron Odt (ondansetron), with 42 prescriptions for 42 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 Brittany Irwin 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 Tennessee 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 Tennessee prescribers
Brittany Irwin wrote 42 prescriptions for Ondansetron Odt, about 1.4 times as often as the typical Tennessee prescriber of it (29). Medicare paid $7.73 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
See also Warning section.
Compared with Tennessee prescribers
Brittany Irwin wrote 27 prescriptions for Promethazine Hcl, about 85% as often as the typical Tennessee prescriber of it (32). Medicare paid $2.46 per fill, versus $7.99 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 relieve moderate to severe pain.
Compared with Tennessee prescribers
Brittany Irwin wrote 26 prescriptions for Hydrocodone-Acetaminophen, about 26% as often as the typical Tennessee prescriber of it (99). Medicare paid $3.94 per fill, versus $19.65 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
Prednisone is used to treat conditions such as arthritis, blood disorders, breathing problems, severe allergies, skin diseases, cancer, eye problems, and immune system disorders.
Compared with Tennessee prescribers
Brittany Irwin wrote 26 prescriptions for Prednisone, about half as often as the typical Tennessee prescriber of it (54). Medicare paid $1.23 per fill, versus $4.53 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 Tennessee prescribers
Brittany Irwin wrote 24 prescriptions for Tramadol Hcl, about half as often as the typical Tennessee prescriber of it (54). Medicare paid $1.29 per fill, versus $6.85 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
Methocarbamol is used to treat muscle spasms/pain.
Compared with Tennessee prescribers
Brittany Irwin wrote 20 prescriptions for Methocarbamol, about 60% as often as the typical Tennessee prescriber of it (33). Medicare paid $4.42 per fill, versus $11.29 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 a wide variety of bacterial infections.
Compared with Tennessee prescribers
Brittany Irwin wrote 19 prescriptions for Cephalexin, about 61% as often as the typical Tennessee prescriber of it (31). Medicare paid $6.70 per fill, versus $7.35 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 a variety of bacterial infections.
Compared with Tennessee prescribers
Brittany Irwin wrote 14 prescriptions for Ciprofloxacin Hcl, about half as often as the typical Tennessee prescriber of it (30). Medicare paid $10.28 per fill, versus $7.13 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 an antibiotic used to treat bladder infections (acute cystitis).
Compared with Tennessee prescribers
Brittany Irwin wrote 13 prescriptions for Nitrofurantoin Mono-Macro, about half as often as the typical Tennessee prescriber of it (28). Medicare paid $16.39 per fill, versus $17.02 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 a wide variety of bacterial infections, including those that cause acne.
Compared with Tennessee prescribers
Brittany Irwin wrote 12 prescriptions for Doxycycline Hyclate, about 34% as often as the typical Tennessee prescriber of it (35). Medicare paid $6.38 per fill, versus $11.43 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
Azithromycin is used to treat a wide variety of bacterial infections.
Compared with Tennessee prescribers
Brittany Irwin wrote 11 prescriptions for Azithromycin, about 29% as often as the typical Tennessee prescriber of it (38). Medicare paid $3.14 per fill, versus $6.01 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
Questions about Brittany Irwin’s prescriptions
What does Brittany Irwin prescribe most?
In 2024 Medicare Part D data, Brittany Irwin's most prescribed medications were Ondansetron Odt (42), Promethazine Hcl (27) and Hydrocodone-Acetaminophen (26).
How does Brittany Irwin's prescribing compare with other Tennessee prescribers?
Of the 11 medications with a state comparison, Brittany Irwin prescribes 1 more often than the typical Tennessee prescriber, 1 about as often and 9 less often. Volume reflects practice size as well as prescribing habits.
Does this list show every medication Brittany Irwin 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 Tennessee 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.
