KATELYN ELIZABETH DEROSA PA-C
Prescription History 1346732021
Physician Assistant in Park Ridge, IL
What does Katelyn Derosa prescribe?
In 2024, Katelyn Derosa wrote 148 Medicare prescriptions for 7 medications. The most prescribed was Triamcinolone Acetonide, with 33 prescriptions for 29 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 Katelyn Derosa prescribes.
Medications 7 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 Illinois prescribers.
What it is used for
This medication is used to treat a variety of skin conditions (such as eczema, dermatitis, allergies, rash).
Compared with Illinois prescribers
Katelyn Derosa wrote 33 prescriptions for Triamcinolone Acetonide, about 89% as often as the typical Illinois prescriber of it (37). Medicare paid $12.49 per fill, versus $9.36 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
Ketoconazole is used to treat skin infections such as athlete's foot, jock itch, ringworm, and certain kinds of dandruff.
Compared with Illinois prescribers
Katelyn Derosa wrote 29 prescriptions for Ketoconazole, about half as often as the typical Illinois prescriber of it (51). Medicare paid $6.29 per fill, versus $18.92 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 Illinois prescribers
Katelyn Derosa wrote 21 prescriptions for Doxycycline Hyclate, about 70% as often as the typical Illinois prescriber of it (30). Medicare paid $15.27 per fill, versus $12.92 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 skin conditions (such as insect bites, poison oak/ivy, eczema, dermatitis, allergies, rash, itching of the outer female genitals, anal itching).
Compared with Illinois prescribers
Katelyn Derosa wrote 19 prescriptions for Hydrocortisone, about 65% as often as the typical Illinois prescriber of it (29). Medicare paid $7.17 per fill, versus $15.03 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 skin conditions (such as eczema, dermatitis, psoriasis, allergies, rash).
Compared with Illinois prescribers
Katelyn Derosa wrote 17 prescriptions for Fluocinonide, about half as often as the typical Illinois prescriber of it (32). Medicare paid $54.60 per fill, versus $42.79 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 on the skin to treat pre-cancerous and cancerous skin growths.
Compared with Illinois prescribers
Katelyn Derosa wrote 17 prescriptions for Fluorouracil, about half as often as the typical Illinois prescriber of it (37). Medicare paid $57.12 per fill, versus $69.19 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 Illinois prescribers
Katelyn Derosa wrote 12 prescriptions for Cefadroxil, about 34% as often as the typical Illinois prescriber of it (36). Medicare paid $8.17 per fill, versus $10.50 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
Questions about Katelyn Derosa’s prescriptions
What does Katelyn Derosa prescribe most?
In 2024 Medicare Part D data, Katelyn Derosa's most prescribed medications were Triamcinolone Acetonide (33), Ketoconazole (29) and Doxycycline Hyclate (21).
How does Katelyn Derosa's prescribing compare with other Illinois prescribers?
Of the 7 medications with a state comparison, Katelyn Derosa prescribes 1 about as often than the typical Illinois prescriber and 6 less often. Volume reflects practice size as well as prescribing habits.
Does this list show every medication Katelyn Derosa 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 Illinois 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.
