ANTHONY CHRISTOPHER STACK DO
Prescription History 1912491663
Internal Medicine - Medical Oncology in Philadelphia, PA
What does Dr. Stack prescribe?
In 2024, Dr. Stack wrote 39 Medicare prescriptions for 3 medications. The most prescribed was Acyclovir, with 15 prescriptions.
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. Stack 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 Pennsylvania prescribers.
What it is used for
Acyclovir is used to treat infections caused by certain types of viruses.
Compared with Pennsylvania prescribers
Dr. Stack wrote 15 prescriptions for Acyclovir, about half as often as the typical Pennsylvania prescriber of it (30). Medicare paid $15.46 per fill, versus $16.58 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
Pantoprazole is used to treat certain stomach and esophagus problems (such as acid reflux).
Compared with Pennsylvania prescribers
Dr. Stack wrote 13 prescriptions for Pantoprazole Sodium, about 13% as often as the typical Pennsylvania prescriber of it (100). Medicare paid $4.64 per fill, versus $13.87 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
Allopurinol is used to treat gout and certain types of kidney stones.
Compared with Pennsylvania prescribers
Dr. Stack wrote 11 prescriptions for Allopurinol, about 21% as often as the typical Pennsylvania prescriber of it (52). Medicare paid $6.92 per fill, versus $11.06 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. Stack’s prescriptions
What does Dr. Stack prescribe most?
In 2024 Medicare Part D data, Dr. Stack's most prescribed medications were Acyclovir (15), Pantoprazole Sodium (13) and Allopurinol (11).
How does Dr. Stack's prescribing compare with other Pennsylvania prescribers?
Of the 3 medications with a state comparison, Dr. Stack prescribes 3 less often than the typical Pennsylvania prescriber. Volume reflects practice size as well as prescribing habits.
Does this list show every medication Dr. Stack 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 Pennsylvania 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.
