DR. CHAD TROY RENNIE MD
Prescription History 1174962021
Emergency Medicine in Fort Dodge, IA
What does Dr. Rennie prescribe?
In 2024, Dr. Rennie wrote 246 Medicare prescriptions for 8 medications. The most prescribed was Prednisone, with 48 prescriptions for 43 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. Rennie prescribes.
Medications 8 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 Iowa prescribers.
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 Iowa prescribers
Dr. Rennie wrote 48 prescriptions for Prednisone, about as often as the typical Iowa prescriber of it (48). Medicare paid $1.38 per fill, versus $3.46 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 Iowa prescribers
Dr. Rennie wrote 47 prescriptions for Cephalexin, about 1.5 times as often as the typical Iowa prescriber of it (32). Medicare paid $4.42 per fill, versus $6.78 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 Iowa prescribers
Dr. Rennie wrote 32 prescriptions for Doxycycline Hyclate, about 1.2 times as often as the typical Iowa prescriber of it (26). Medicare paid $5.63 per fill, versus $14.47 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 Iowa prescribers
Dr. Rennie wrote 32 prescriptions for Hydrocodone-Acetaminophen, about half as often as the typical Iowa prescriber of it (62). Medicare paid $3.24 per fill, versus $18.57 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 Iowa prescribers
Dr. Rennie wrote 27 prescriptions for Diclofenac Sodium, about 89% as often as the typical Iowa prescriber of it (30). Medicare paid $3.07 per fill, versus $18.10 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 alone or with other medications to prevent nausea and vomiting caused by cancer drug treatment (chemotherapy) and radiation therapy.
Compared with Iowa prescribers
Dr. Rennie wrote 27 prescriptions for Ondansetron Odt, about 1.2 times as often as the typical Iowa prescriber of it (23). Medicare paid $7.16 per fill, versus $15.22 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 muscle spasms caused by certain conditions (such as multiple sclerosis, spinal cord injury).
Compared with Iowa prescribers
Dr. Rennie wrote 21 prescriptions for Tizanidine Hcl, about 60% as often as the typical Iowa prescriber of it (35). Medicare paid $2.63 per fill, versus $10.73 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 Iowa prescribers
Dr. Rennie wrote 12 prescriptions for Pantoprazole Sodium, about 14% as often as the typical Iowa prescriber of it (89). Medicare paid $1.75 per fill, versus $11.13 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. Rennie’s prescriptions
What does Dr. Rennie prescribe most?
In 2024 Medicare Part D data, Dr. Rennie's most prescribed medications were Prednisone (48), Cephalexin (47) and Doxycycline Hyclate (32).
How does Dr. Rennie's prescribing compare with other Iowa prescribers?
Of the 8 medications with a state comparison, Dr. Rennie prescribes 1 more often than the typical Iowa prescriber, 4 about as often and 3 less often. Volume reflects practice size as well as prescribing habits.
Does this list show every medication Dr. Rennie 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 Iowa 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.
