DR. MADELIN FENIANOS MD
Prescription History 1760019749
Internal Medicine - Pulmonary Disease in New Haven, CT
What does Dr. Fenianos prescribe?
In 2024, Dr. Fenianos wrote 219 Medicare prescriptions for 8 medications. The most prescribed was Albuterol Sulfate Hfa (albuterol sulfate), with 58 prescriptions for 18 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. Fenianos 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 Connecticut 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 Connecticut prescribers
Dr. Fenianos wrote 58 prescriptions for Albuterol Sulfate Hfa, about as often as the typical Connecticut prescriber of it (62). Medicare paid $27.56 per fill, versus $23.90 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 Connecticut prescribers
Dr. Fenianos wrote 43 prescriptions for Trelegy Ellipta, about half as often as the typical Connecticut prescriber of it (77). Medicare paid $617.36 per fill, versus $898.80 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 Connecticut prescribers
Dr. Fenianos wrote 33 prescriptions for Montelukast Sodium, about half as often as the typical Connecticut prescriber of it (56). Medicare paid $3.77 per fill, versus $10.69 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 Connecticut prescribers
Dr. Fenianos wrote 30 prescriptions for Prednisone, about 62% as often as the typical Connecticut prescriber of it (49). Medicare paid $2.09 per fill, versus $4.39 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 ongoing lung disease (chronic obstructive pulmonary disease-COPD, which includes chronic bronchitis and emphysema).
Compared with Connecticut prescribers
Dr. Fenianos wrote 18 prescriptions for Breztri Aerosphere, about 42% as often as the typical Connecticut prescriber of it (43). Medicare paid $598.15 per fill, versus $839.63 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 Connecticut prescribers
Dr. Fenianos wrote 14 prescriptions for Pantoprazole Sodium, about 17% as often as the typical Connecticut prescriber of it (81). Medicare paid $6.49 per fill, versus $12.85 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
Mycophenolate is used in combination with other medications to keep your body from attacking and rejecting your transplanted organ (such as kidney, liver, heart).
Compared with Connecticut prescribers
Dr. Fenianos wrote 12 prescriptions for Mycophenolate Mofetil, about half as often as the typical Connecticut prescriber of it (28). Medicare paid $31.23 per fill, versus $127.56 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
This product is used to control and prevent symptoms (such as wheezing and shortness of breath) caused by ongoing lung disease (chronic obstructive pulmonary disease-COPD, which includes chronic bronchitis and emphysema).
Compared with Connecticut prescribers
Dr. Fenianos wrote 11 prescriptions for Anoro Ellipta, about 27% as often as the typical Connecticut prescriber of it (41). Medicare paid $453.76 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.
Questions about Dr. Fenianos’s prescriptions
What does Dr. Fenianos prescribe most?
In 2024 Medicare Part D data, Dr. Fenianos's most prescribed medications were Albuterol Sulfate Hfa (58), Trelegy Ellipta (43) and Montelukast Sodium (33).
How does Dr. Fenianos's prescribing compare with other Connecticut prescribers?
Of the 8 medications with a state comparison, Dr. Fenianos prescribes 1 about as often than the typical Connecticut prescriber and 7 less often. Volume reflects practice size as well as prescribing habits.
Does this list show every medication Dr. Fenianos 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 Connecticut 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.