ROWENA SAN JUAN DACANAY-HERMAN N.P.
Prescription History 1144689175
Nurse Practitioner - Family in Spring Valley, CA
What does Rowena Dacanay-Herman prescribe?
In 2024, Rowena Dacanay-Herman wrote 145 Medicare prescriptions for 9 medications. The most prescribed was Amoxicillin-Clavulanate Potass (amoxicillin/potassium clav), with 25 prescriptions for 25 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 Rowena Dacanay-Herman prescribes.
Medications 9 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
Amoxicillin/clavulanic acid is a combination penicillin-type antibiotic used to treat a wide variety of bacterial infections.
Compared with California prescribers
Rowena Dacanay-Herman wrote 25 prescriptions for Amoxicillin-Clavulanate Potass, about as often as the typical California prescriber of it (26). Medicare paid $7.59 per fill, versus $9.18 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
This medication is used to treat certain mental/mood disorders (such as depression, anxiety).
Compared with California prescribers
Rowena Dacanay-Herman wrote 22 prescriptions for Escitalopram Oxalate, about half as often as the typical California prescriber of it (48). Medicare paid $2.41 per fill, versus $11.14 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
Memantine is used to treat moderate to severe confusion (dementia) related to Alzheimer's disease.
Compared with California prescribers
Rowena Dacanay-Herman wrote 19 prescriptions for Memantine Hcl, about 34% as often as the typical California prescriber of it (56). Medicare paid $21.39 per fill, versus $29.89 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 California prescribers
Rowena Dacanay-Herman wrote 19 prescriptions for Trazodone Hcl, about 33% as often as the typical California prescriber of it (57). Medicare paid $3.76 per fill, versus $9.93 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
Baclofen is used to treat muscle spasms caused by certain conditions (such as multiple sclerosis, spinal cord injury/disease).
Compared with California prescribers
Rowena Dacanay-Herman wrote 13 prescriptions for Baclofen, about 31% as often as the typical California prescriber of it (42). Medicare paid $1.83 per fill, versus $14.75 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, panic attacks, obsessive compulsive disorder, post-traumatic stress disorder, social anxiety disorder).
Compared with California prescribers
Rowena Dacanay-Herman wrote 13 prescriptions for Sertraline Hcl, about 28% as often as the typical California prescriber of it (46). Medicare paid $3.65 per fill, versus $9.59 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
Clindamycin is used to treat a wide variety of bacterial infections.
Compared with California prescribers
Rowena Dacanay-Herman wrote 12 prescriptions for Clindamycin Hcl, about half as often as the typical California prescriber of it (21). Medicare paid $6.26 per fill, versus $8.02 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
Ibuprofen is used to relieve pain from various conditions such as headache, dental pain, menstrual cramps, muscle aches, or arthritis.
Compared with California prescribers
Rowena Dacanay-Herman wrote 11 prescriptions for Ibuprofen, about 26% as often as the typical California prescriber of it (42). Medicare paid $1.49 per fill, versus $6.71 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 an antibiotic used to treat bladder infections (acute cystitis).
Compared with California prescribers
Rowena Dacanay-Herman wrote 11 prescriptions for Nitrofurantoin Mono-Macro, about half as often as the typical California prescriber of it (26). Medicare paid $8.52 per fill, versus $13.21 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
Questions about Rowena Dacanay-Herman’s prescriptions
What does Rowena Dacanay-Herman prescribe most?
In 2024 Medicare Part D data, Rowena Dacanay-Herman's most prescribed medications were Amoxicillin-Clavulanate Potass (25), Escitalopram Oxalate (22) and Memantine Hcl (19).
How does Rowena Dacanay-Herman's prescribing compare with other California prescribers?
Of the 9 medications with a state comparison, Rowena Dacanay-Herman prescribes 1 about as often than the typical California prescriber and 8 less often. Volume reflects practice size as well as prescribing habits.
Does this list show every medication Rowena Dacanay-Herman 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.