ROSEMARIE ARENA MD
Prescription History 1982990479
Internal Medicine - Gastroenterology in Glen Ridge, NJ
What does Dr. Arena prescribe?
In 2024, Dr. Arena wrote 277 Medicare prescriptions for 6 medications. The most prescribed was Pantoprazole Sodium, with 103 prescriptions for 46 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 Dr. Arena prescribes.
Medications 6 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 New Jersey prescribers.
What it is used for
Pantoprazole is used to treat certain stomach and esophagus problems (such as acid reflux).
Compared with New Jersey prescribers
Dr. Arena wrote 103 prescriptions for Pantoprazole Sodium, about 1.2 times as often as the typical New Jersey prescriber of it (83). Medicare paid $8.20 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
Sodium/potassium/magnesium sulfate solution is used to clean out the intestines before a certain bowel exam procedure (colonoscopy).
Compared with New Jersey prescribers
Dr. Arena wrote 47 prescriptions for Sod Sulf-Potass Sulf-Mag Sulf, about half as often as the typical New Jersey prescriber of it (81). Medicare paid $64.12 per fill, versus $63.97 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
Famotidine is used to treat ulcers of the stomach and intestines and to prevent intestinal ulcers from coming back after they have healed.
Compared with New Jersey prescribers
Dr. Arena wrote 44 prescriptions for Famotidine, about 74% as often as the typical New Jersey prescriber of it (59). Medicare paid $14.21 per fill, versus $13.86 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
Sodium picosulfate/magnesium oxide/citric acid solution is used to clean out the intestines before surgery or certain procedures (such as colonoscopy, X-rays).
Compared with New Jersey prescribers
Dr. Arena wrote 38 prescriptions for Clenpiq, about as often as the typical New Jersey prescriber of it (38). Medicare paid $173.02 per fill, versus $171.91 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
Dicyclomine is used to treat a certain type of intestinal problem called irritable bowel syndrome.
Compared with New Jersey prescribers
Dr. Arena wrote 24 prescriptions for Dicyclomine Hcl, about 76% as often as the typical New Jersey prescriber of it (31). Medicare paid $14.65 per fill, versus $19.34 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
Omeprazole is used to treat certain stomach and esophagus problems (such as acid reflux, ulcers).
Compared with New Jersey prescribers
Dr. Arena wrote 21 prescriptions for Omeprazole, about 27% as often as the typical New Jersey prescriber of it (77). Medicare paid $20.66 per fill, versus $13.14 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. Arena’s prescriptions
What does Dr. Arena prescribe most?
In 2024 Medicare Part D data, Dr. Arena's most prescribed medications were Pantoprazole Sodium (103), Sod Sulf-Potass Sulf-Mag Sulf (47) and Famotidine (44).
How does Dr. Arena's prescribing compare with other New Jersey prescribers?
Of the 6 medications with a state comparison, Dr. Arena prescribes 3 about as often than the typical New Jersey prescriber and 3 less often. Volume reflects practice size as well as prescribing habits.
Does this list show every medication Dr. Arena 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 New Jersey 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.
