CARMEN RAE ERNST NP
Prescription History 1679292015
Nurse Practitioner - Adult Health in Sunnyvale, CA
What does Carmen Ernst prescribe?
In 2024, Carmen Ernst wrote 144 Medicare prescriptions for 4 medications. The most prescribed was Ozempic (semaglutide), with 57 prescriptions for 16 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 Carmen Ernst prescribes.
Medications 4 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 California prescribers.
What it is used for
Semaglutide is used with a proper diet and exercise program to control high blood sugar in people with type 2 diabetes.
Compared with California prescribers
Carmen Ernst wrote 57 prescriptions for Ozempic, about as often as the typical California prescriber of it (56). Medicare paid $1,157.26 per fill, versus $1,102.15 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
Tirzepatide is used with a proper diet and exercise program to control high blood sugar in people with type 2 diabetes.
Compared with California prescribers
Carmen Ernst wrote 39 prescriptions for Mounjaro, about 87% as often as the typical California prescriber of it (45). Medicare paid $1,119.61 per fill, versus $1,191.18 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
Metformin is used with a proper diet and exercise program and possibly with other medications to control high blood sugar.
Compared with California prescribers
Carmen Ernst wrote 29 prescriptions for Metformin Hcl Er, about half as often as the typical California prescriber of it (55). Medicare paid $11.70 per fill, versus $9.99 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
Semaglutide is used to lower the risk of death from heart attack and stroke in people with heart disease who are overweight or obese.
Compared with California prescribers
Carmen Ernst wrote 19 prescriptions for Wegovy, about as often as the typical California prescriber of it (18). Medicare paid $1,382.04 per fill, versus $1,402.36 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
Questions about Carmen Ernst’s prescriptions
What does Carmen Ernst prescribe most?
In 2024 Medicare Part D data, Carmen Ernst's most prescribed medications were Ozempic (57), Mounjaro (39) and Metformin Hcl Er (29).
How does Carmen Ernst's prescribing compare with other California prescribers?
Of the 4 medications with a state comparison, Carmen Ernst prescribes 3 about as often than the typical California prescriber and 1 less often. Volume reflects practice size as well as prescribing habits.
Does this list show every medication Carmen Ernst 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 California 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.
