KAREN LISETH GUARDADO FNP-C
Prescription History 1316635667
Nurse Practitioner - Family in Los Angeles, CA
What does Karen Guardado prescribe?
In 2024, Karen Guardado wrote 257 Medicare prescriptions for 7 medications. The most prescribed was Tamsulosin Hcl, with 102 prescriptions for 47 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 Karen Guardado prescribes.
Medications 7 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
Tamsulosin is used by men to treat the symptoms of an enlarged prostate (benign prostatic hyperplasia-BPH).
Compared with California prescribers
Karen Guardado wrote 102 prescriptions for Tamsulosin Hcl, about 1.2 times as often as the typical California prescriber of it (84). Medicare paid $11.91 per fill, versus $15.02 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
Finasteride is used to shrink an enlarged prostate (benign prostatic hyperplasia or BPH) in adult men.
Compared with California prescribers
Karen Guardado wrote 51 prescriptions for Finasteride, about as often as the typical California prescriber of it (56). Medicare paid $8.21 per fill, versus $13.71 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 a combination of two antibiotics: sulfamethoxazole and trimethoprim.
Compared with California prescribers
Karen Guardado wrote 40 prescriptions for Sulfamethoxazole-Trimethoprim, about 1.6 times as often as the typical California prescriber of it (25). Medicare paid $3.16 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
This medication is used to treat certain bladder problems (overactive bladder, neurogenic detrusor overactivity).
Compared with California prescribers
Karen Guardado wrote 22 prescriptions for Myrbetriq, about half as often as the typical California prescriber of it (45). Medicare paid $897.74 per fill, versus $698.68 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 an overactive bladder.
Compared with California prescribers
Karen Guardado wrote 16 prescriptions for Tolterodine Tartrate Er, about 60% as often as the typical California prescriber of it (26). Medicare paid $83.62 per fill, versus $85.98 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 a variety of bacterial infections.
Compared with California prescribers
Karen Guardado wrote 13 prescriptions for Ciprofloxacin Hcl, about half as often as the typical California prescriber of it (30). Medicare paid $2.33 per fill, versus $6.32 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
Karen Guardado wrote 13 prescriptions for Nitrofurantoin Mono-Macro, about half as often as the typical California prescriber of it (26). Medicare paid $23.87 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 Karen Guardado’s prescriptions
What does Karen Guardado prescribe most?
In 2024 Medicare Part D data, Karen Guardado's most prescribed medications were Tamsulosin Hcl (102), Finasteride (51) and Sulfamethoxazole-Trimethoprim (40).
How does Karen Guardado's prescribing compare with other California prescribers?
Of the 7 medications with a state comparison, Karen Guardado prescribes 1 more often than the typical California prescriber, 2 about as often and 4 less often. Volume reflects practice size as well as prescribing habits.
Does this list show every medication Karen Guardado 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.