STEPHANIE MARTHA CHIU NP
Prescription History 1043091663
Nurse Practitioner in Walnut Creek, CA
What does Stephanie Chiu prescribe?
In 2024, Stephanie Chiu wrote 351 Medicare prescriptions for 14 medications. The most prescribed was Ondansetron Odt (ondansetron), with 51 prescriptions for 42 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 Stephanie Chiu 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 California prescribers.
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 California prescribers
Stephanie Chiu wrote 51 prescriptions for Ondansetron Odt, about 2.1 times as often as the typical California prescriber of it (25). Medicare paid $13.24 per fill, versus $13.40 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 severe nausea and vomiting from certain causes (for example, after surgery or cancer treatment).
Compared with California prescribers
Stephanie Chiu wrote 50 prescriptions for Prochlorperazine Maleate, about 1.7 times as often as the typical California prescriber of it (29). Medicare paid $26.83 per fill, versus $13.81 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 anxiety.
Compared with California prescribers
Stephanie Chiu wrote 42 prescriptions for Lorazepam, about as often as the typical California prescriber of it (43). Medicare paid $8.20 per fill, versus $6.52 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
Acyclovir is used to treat infections caused by certain types of viruses.
Compared with California prescribers
Stephanie Chiu wrote 30 prescriptions for Acyclovir, about 1.2 times as often as the typical California prescriber of it (25). Medicare paid $17.38 per fill, versus $18.27 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
Lenalidomide is used to treat various types of cancers.
Compared with California prescribers
Stephanie Chiu wrote 26 prescriptions for Revlimid, about 85% as often as the typical California prescriber of it (31). Medicare paid $18,245.10 per fill, versus $17,406.67 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
Dexamethasone is used to treat conditions such as arthritis, blood/hormone disorders, allergic reactions, skin diseases, eye problems, breathing problems, bowel disorders, cancer, and immune system disorders.
Compared with California prescribers
Stephanie Chiu wrote 25 prescriptions for Dexamethasone, about 71% as often as the typical California prescriber of it (35). Medicare paid $17.45 per fill, versus $13.93 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 contains 2 amide-type local anesthetics, lidocaine and prilocaine.
Compared with California prescribers
Stephanie Chiu wrote 25 prescriptions for Lidocaine-Prilocaine, about as often as the typical California prescriber of it (25). Medicare paid $13.30 per fill, versus $20.14 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
This medication is a combination of two antibiotics: sulfamethoxazole and trimethoprim.
Compared with California prescribers
Stephanie Chiu wrote 19 prescriptions for Sulfamethoxazole-Trimethoprim, about 75% as often as the typical California prescriber of it (25). Medicare paid $10.29 per fill, versus $4.62 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
Famciclovir is used to treat infections caused by certain types of viruses.
Compared with California prescribers
Stephanie Chiu wrote 18 prescriptions for Famciclovir, about as often as the typical California prescriber of it (18). Medicare paid $89.67 per fill, versus $49.28 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 California prescribers
Stephanie Chiu wrote 17 prescriptions for Prednisone, about half as often as the typical California prescriber of it (40). Medicare paid $4.08 per fill, versus $5.64 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 types of breast cancer (such as hormone-receptor-positive breast cancer) in women after menopause.
Compared with California prescribers
Stephanie Chiu wrote 14 prescriptions for Letrozole, about 28% as often as the typical California prescriber of it (49). Medicare paid $10.09 per fill, versus $22.86 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
Levofloxacin is used to treat a variety of bacterial infections.
Compared with California prescribers
Stephanie Chiu wrote 12 prescriptions for Levofloxacin, about half as often as the typical California prescriber of it (27). Medicare paid $9.50 per fill, versus $5.11 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
Gabapentin is used with other medications to prevent and control seizures.
Compared with California prescribers
Stephanie Chiu wrote 11 prescriptions for Gabapentin, about 14% as often as the typical California prescriber of it (80). Medicare paid $9.90 per fill, versus $15.63 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
Zolpidem is used for a short time to treat a certain sleep problem (insomnia) in adults.
Compared with California prescribers
Stephanie Chiu wrote 11 prescriptions for Zolpidem Tartrate, about 25% as often as the typical California prescriber of it (45). Medicare paid $8.72 per fill, versus $6.02 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
Questions about Stephanie Chiu’s prescriptions
What does Stephanie Chiu prescribe most?
In 2024 Medicare Part D data, Stephanie Chiu's most prescribed medications were Ondansetron Odt (51), Prochlorperazine Maleate (50) and Lorazepam (42).
How does Stephanie Chiu's prescribing compare with other California prescribers?
Of the 14 medications with a state comparison, Stephanie Chiu prescribes 2 more often than the typical California prescriber, 5 about as often and 7 less often. Volume reflects practice size as well as prescribing habits.
Does this list show every medication Stephanie Chiu 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.
