KATHRYN RADIGAN M.D.
Prescription History 1982995478
Internal Medicine - Pulmonary Disease in Chicago, IL
What does Dr. Radigan prescribe?
In 2024, Dr. Radigan wrote 606 Medicare prescriptions for 15 medications. The most prescribed was Albuterol Sulfate Hfa (albuterol sulfate), with 184 prescriptions for 68 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. Radigan prescribes.
Medications 15 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
Albuterol (also known as salbutamol) is used to prevent and treat wheezing and shortness of breath caused by breathing problems (such as asthma, chronic obstructive pulmonary disease).
Compared with Illinois prescribers
Dr. Radigan wrote 184 prescriptions for Albuterol Sulfate Hfa, about 3 times as often as the typical Illinois prescriber of it (61). Medicare paid $54.50 per fill, versus $31.97 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
Umeclidinium is used to control and prevent symptoms (such as wheezing, shortness of breath) caused by ongoing lung disease (chronic obstructive pulmonary disease-COPD, which includes bronchitis and emphysema).
Compared with Illinois prescribers
Dr. Radigan wrote 80 prescriptions for Incruse Ellipta, about 3 times as often as the typical Illinois prescriber of it (27). Medicare paid $631.90 per fill, versus $423.17 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
Fluticasone is used to relieve seasonal and year-round allergic and non-allergic nasal symptoms, such as stuffy/runny nose, itching, and sneezing.
Compared with Illinois prescribers
Dr. Radigan wrote 47 prescriptions for Fluticasone Propionate, about as often as the typical Illinois prescriber of it (49). Medicare paid $15.98 per fill, versus $14.22 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 product is used to control and prevent symptoms (wheezing and shortness of breath) caused by asthma or ongoing lung disease (chronic obstructive pulmonary disease-COPD, which includes chronic bronchitis and emphysema).
Compared with Illinois prescribers
Dr. Radigan wrote 45 prescriptions for Fluticasone-Salmeterol, about 1.8 times as often as the typical Illinois prescriber of it (25). Medicare paid $228.50 per fill, versus $156.43 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
Albuterol (also known as salbutamol) is used to prevent and treat wheezing and shortness of breath caused by breathing problems (such as asthma, chronic obstructive pulmonary disease).
Compared with Illinois prescribers
Dr. Radigan wrote 41 prescriptions for Ventolin Hfa, about 1.6 times as often as the typical Illinois prescriber of it (26). Medicare paid $65.36 per fill, versus $69.57 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
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 Illinois prescribers
Dr. Radigan wrote 40 prescriptions for Prednisone, about 87% as often as the typical Illinois prescriber of it (46). Medicare paid $2.19 per fill, versus $3.88 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 product is used to control and prevent symptoms (such as wheezing and shortness of breath) caused by asthma and ongoing lung disease (chronic obstructive pulmonary disease-COPD, which includes chronic bronchitis and emphysema).
Compared with Illinois prescribers
Dr. Radigan wrote 34 prescriptions for Trelegy Ellipta, about half as often as the typical Illinois prescriber of it (58). Medicare paid $1,180.68 per fill, versus $847.43 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 product is used to control and prevent symptoms (wheezing and shortness of breath) caused by asthma or ongoing lung disease (chronic obstructive pulmonary disease-COPD, which includes chronic bronchitis and emphysema).
Compared with Illinois prescribers
Dr. Radigan wrote 29 prescriptions for Wixela Inhub, about 1.4 times as often as the typical Illinois prescriber of it (21). Medicare paid $209.65 per fill, versus $172.14 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
Montelukast is used to control and prevent symptoms caused by asthma (such as wheezing and shortness of breath).
Compared with Illinois prescribers
Dr. Radigan wrote 22 prescriptions for Montelukast Sodium, about 37% as often as the typical Illinois prescriber of it (59). Medicare paid $7.67 per fill, versus $10.66 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
Varenicline is used by adults to help stop smoking.
Compared with Illinois prescribers
Dr. Radigan wrote 17 prescriptions for Varenicline Tartrate, about as often as the typical Illinois prescriber of it (18). Medicare paid $301.72 per fill, versus $251.52 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 product is used to control and prevent symptoms (wheezing and shortness of breath) caused by asthma or ongoing lung disease (chronic obstructive pulmonary disease-COPD, which includes chronic bronchitis and emphysema).
Compared with Illinois prescribers
Dr. Radigan wrote 16 prescriptions for Symbicort, about 66% as often as the typical Illinois prescriber of it (24). Medicare paid $467.50 per fill, versus $315.56 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
Tiotropium is used to control and prevent symptoms (such as wheezing, shortness of breath) caused by ongoing lung disease (chronic obstructive pulmonary disease-COPD which includes bronchitis and emphysema).
Compared with Illinois prescribers
Dr. Radigan wrote 15 prescriptions for Tiotropium Bromide, about as often as the typical Illinois prescriber of it (15). Medicare paid $878.26 per fill, versus $515.11 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 prevent and decrease symptoms (wheezing and trouble breathing) caused by asthma and ongoing lung disease (chronic obstructive pulmonary disease-COPD, including chronic bronchitis and emphysema).
Compared with Illinois prescribers
Dr. Radigan wrote 13 prescriptions for Breo Ellipta, about 38% as often as the typical Illinois prescriber of it (34). Medicare paid $1,011.20 per fill, versus $513.05 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 product is used to control and prevent symptoms (wheezing and shortness of breath) caused by asthma or ongoing lung disease (chronic obstructive pulmonary disease-COPD, which includes chronic bronchitis and emphysema).
Compared with Illinois prescribers
Dr. Radigan wrote 12 prescriptions for Advair Diskus, about 83% as often as the typical Illinois prescriber of it (14). Medicare paid $130.43 per fill, versus $245.96 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
Azithromycin is used to treat a wide variety of bacterial infections.
Compared with Illinois prescribers
Dr. Radigan wrote 11 prescriptions for Azithromycin, about 32% as often as the typical Illinois prescriber of it (34). Medicare paid $2.97 per fill, versus $5.14 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. Radigan’s prescriptions
What does Dr. Radigan prescribe most?
In 2024 Medicare Part D data, Dr. Radigan's most prescribed medications were Albuterol Sulfate Hfa (184), Incruse Ellipta (80) and Fluticasone Propionate (47).
How does Dr. Radigan's prescribing compare with other Illinois prescribers?
Of the 15 medications with a state comparison, Dr. Radigan prescribes 5 more often than the typical Illinois prescriber, 5 about as often and 5 less often. Volume reflects practice size as well as prescribing habits.
Does this list show every medication Dr. Radigan 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.
