KAREN KIEFER APN
Prescription History 1194297978
Nurse Practitioner - Gerontology in Kenilworth, NJ
What does Karen Kiefer prescribe?
In 2024, Karen Kiefer wrote 288 Medicare prescriptions for 14 medications. The most prescribed was Atorvastatin Calcium, with 47 prescriptions.
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 Karen Kiefer prescribes.
Medications 14 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 New Jersey prescribers.
What it is used for
Atorvastatin is used along with a proper diet to help lower "bad" cholesterol and fats (such as LDL, triglycerides) and raise "good" cholesterol (HDL) in the blood.
Compared with New Jersey prescribers
Karen Kiefer wrote 47 prescriptions for Atorvastatin Calcium, about 23% as often as the typical New Jersey prescriber of it (209). Medicare paid $8.34 per fill, versus $11.16 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
Gabapentin is used with other medications to prevent and control seizures.
Compared with New Jersey prescribers
Karen Kiefer wrote 40 prescriptions for Gabapentin, about half as often as the typical New Jersey prescriber of it (76). Medicare paid $6.78 per fill, versus $14.21 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 depression.
Compared with New Jersey prescribers
Karen Kiefer wrote 29 prescriptions for Mirtazapine, about half as often as the typical New Jersey prescriber of it (53). Medicare paid $21.08 per fill, versus $20.57 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
Furosemide is used to reduce extra fluid in the body (edema) caused by conditions such as heart failure, liver disease, and kidney disease.
Compared with New Jersey prescribers
Karen Kiefer wrote 28 prescriptions for Furosemide, about 38% as often as the typical New Jersey prescriber of it (73). Medicare paid $4.67 per fill, versus $5.24 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 a mineral supplement used to treat or prevent low amounts of potassium in the blood.
Compared with New Jersey prescribers
Karen Kiefer wrote 20 prescriptions for Potassium Chloride, about half as often as the typical New Jersey prescriber of it (47). Medicare paid $10.34 per fill, versus $23.39 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
Levothyroxine is used to treat an underactive thyroid (hypothyroidism).
Compared with New Jersey prescribers
Karen Kiefer wrote 19 prescriptions for Levothyroxine Sodium, about 13% as often as the typical New Jersey prescriber of it (143). Medicare paid $9.27 per fill, versus $11.22 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 certain mental/mood disorders (such as schizophrenia, bipolar disorder).
Compared with New Jersey prescribers
Karen Kiefer wrote 17 prescriptions for Olanzapine, about 34% as often as the typical New Jersey prescriber of it (50). Medicare paid $8.65 per fill, versus $24.48 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
Tamsulosin is used by men to treat the symptoms of an enlarged prostate (benign prostatic hyperplasia-BPH).
Compared with New Jersey prescribers
Karen Kiefer wrote 16 prescriptions for Tamsulosin Hcl, about 17% as often as the typical New Jersey prescriber of it (92). Medicare paid $5.23 per fill, versus $16.52 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 medication is used to help relieve moderate to severe pain.
Compared with New Jersey prescribers
Karen Kiefer wrote 14 prescriptions for Oxycodone Hcl, about 22% as often as the typical New Jersey prescriber of it (65). Medicare paid $6.31 per fill, versus $17.09 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 New Jersey prescribers
Karen Kiefer wrote 13 prescriptions for Pantoprazole Sodium, about 16% as often as the typical New Jersey prescriber of it (83). Medicare paid $7.80 per fill, versus $13.85 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
Torsemide is used to reduce extra fluid in the body (edema) caused by conditions such as heart failure, liver disease, and kidney disease.
Compared with New Jersey prescribers
Karen Kiefer wrote 12 prescriptions for Torsemide, about 30% as often as the typical New Jersey prescriber of it (40). Medicare paid $4.65 per fill, versus $16.96 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
Bumetanide is used to reduce extra fluid in the body (edema) caused by conditions such as heart failure, liver disease, and kidney disease.
Compared with New Jersey prescribers
Karen Kiefer wrote 11 prescriptions for Bumetanide, about 40% as often as the typical New Jersey prescriber of it (27). Medicare paid $6.54 per fill, versus $32.15 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
Apixaban is used to prevent serious blood clots from forming due to a certain irregular heartbeat (atrial fibrillation) or after hip/knee replacement surgery.
Compared with New Jersey prescribers
Karen Kiefer wrote 11 prescriptions for Eliquis, about 12% as often as the typical New Jersey prescriber of it (94). Medicare paid $513.96 per fill, versus $883.39 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 medication is used to treat certain mental/mood disorders (such as depression, anxiety).
Compared with New Jersey prescribers
Karen Kiefer wrote 11 prescriptions for Escitalopram Oxalate, about 18% as often as the typical New Jersey prescriber of it (62). Medicare paid $9.37 per fill, versus $12.23 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
Questions about Karen Kiefer’s prescriptions
What does Karen Kiefer prescribe most?
In 2024 Medicare Part D data, Karen Kiefer's most prescribed medications were Atorvastatin Calcium (47), Gabapentin (40) and Mirtazapine (29).
How does Karen Kiefer's prescribing compare with other New Jersey prescribers?
Of the 14 medications with a state comparison, Karen Kiefer prescribes 14 less often than the typical New Jersey prescriber. Volume reflects practice size as well as prescribing habits.
Does this list show every medication Karen Kiefer 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 New Jersey 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.