JOHN E CASILLI APN
Prescription History 1972044220
Nurse Practitioner - Family in Lebanon, TN
What does John Casilli prescribe?
In 2024, John Casilli wrote 113 Medicare prescriptions for 4 medications. The most prescribed was Ozempic (semaglutide), with 42 prescriptions for 12 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 John Casilli prescribes.
Medications 4 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
Semaglutide is used with a proper diet and exercise program to control high blood sugar in people with type 2 diabetes.
Compared with Tennessee prescribers
John Casilli wrote 42 prescriptions for Ozempic, about 67% as often as the typical Tennessee prescriber of it (63). Medicare paid $919.14 per fill, versus $1,248.49 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
Insulin degludec is used with a proper diet and exercise program to control high blood sugar in people with diabetes.
Compared with Tennessee prescribers
John Casilli wrote 30 prescriptions for Tresiba Flextouch U-100, about as often as the typical Tennessee prescriber of it (29). Medicare paid $406.14 per fill, versus $657.51 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
Insulin degludec is used with a proper diet and exercise program to control high blood sugar in people with diabetes.
Compared with Tennessee prescribers
John Casilli wrote 28 prescriptions for Tresiba Flextouch U-200, about as often as the typical Tennessee prescriber of it (30). Medicare paid $602.15 per fill, versus $1,153.23 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
Metformin is used with a proper diet and exercise program and possibly with other medications to control high blood sugar.
Compared with Tennessee prescribers
John Casilli wrote 13 prescriptions for Metformin Hcl Er, about 20% as often as the typical Tennessee prescriber of it (64). Medicare paid $6.49 per fill, versus $8.75 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
Questions about John Casilli’s prescriptions
What does John Casilli prescribe most?
In 2024 Medicare Part D data, John Casilli's most prescribed medications were Ozempic (42), Tresiba Flextouch U-100 (30) and Tresiba Flextouch U-200 (28).
How does John Casilli's prescribing compare with other Tennessee prescribers?
Of the 4 medications with a state comparison, John Casilli prescribes 2 about as often than the typical Tennessee prescriber and 2 less often. Volume reflects practice size as well as prescribing habits.
Does this list show every medication John Casilli 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.