NICHOLAS JOSEPH PENA PA-C
Prescription History 1083176077
Physician Assistant in Ontario, CA
What does Nicholas Pena prescribe?
In 2024, Nicholas Pena wrote 215 Medicare prescriptions for 11 medications. The most prescribed was Amoxicillin-Clavulanate Potass (amoxicillin/potassium clav), with 42 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 Nicholas Pena prescribes.
Medications 11 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
Nicholas Pena wrote 42 prescriptions for Amoxicillin-Clavulanate Potass, about 1.6 times as often as the typical California prescriber of it (26). Medicare paid $7.73 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 an antibiotic used to treat bladder infections (acute cystitis).
Compared with California prescribers
Nicholas Pena wrote 24 prescriptions for Nitrofurantoin Mono-Macro, about as often as the typical California prescriber of it (26). Medicare paid $7.60 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.
What it is used for
Azithromycin is used to treat a wide variety of bacterial infections.
Compared with California prescribers
Nicholas Pena wrote 23 prescriptions for Azithromycin, about 60% as often as the typical California prescriber of it (38). Medicare paid $2.87 per fill, versus $4.49 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
Albuterol (also known as salbutamol) is used to prevent and treat wheezing and shortness of breath caused by breathing problems (such as asthma, chronic obstructive pulmonary disease).
Compared with California prescribers
Nicholas Pena wrote 21 prescriptions for Albuterol Sulfate Hfa, about 36% as often as the typical California prescriber of it (58). Medicare paid $13.50 per fill, versus $28.70 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
Methylprednisolone is used to treat conditions such as arthritis, blood disorders, severe allergic reactions, certain cancers, eye conditions, skin/kidney/intestinal/lung diseases, and immune system disorders.
Compared with California prescribers
Nicholas Pena wrote 21 prescriptions for Methylprednisolone, about 70% as often as the typical California prescriber of it (30). Medicare paid $7.51 per fill, versus $6.84 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
Nicholas Pena wrote 17 prescriptions for Sulfamethoxazole-Trimethoprim, about 67% as often as the typical California prescriber of it (25). Medicare paid $5.33 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 a variety of skin conditions (such as eczema, dermatitis, allergies, rash).
Compared with California prescribers
Nicholas Pena wrote 16 prescriptions for Triamcinolone Acetonide, about 38% as often as the typical California prescriber of it (43). Medicare paid $2.96 per fill, versus $10.03 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 wide variety of bacterial infections, including those that cause acne.
Compared with California prescribers
Nicholas Pena wrote 15 prescriptions for Doxycycline Hyclate, about half as often as the typical California prescriber of it (29). Medicare paid $5.99 per fill, versus $13.89 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 a wide variety of bacterial infections.
Compared with California prescribers
Nicholas Pena wrote 14 prescriptions for Cephalexin, about half as often as the typical California prescriber of it (30). Medicare paid $5.29 per fill, versus $7.62 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 relieve nasal symptoms such as runny/itching/stuffy nose, sneezing, and post-nasal drip caused by allergies or other conditions.
Compared with California prescribers
Nicholas Pena wrote 11 prescriptions for Azelastine Hcl, about 23% as often as the typical California prescriber of it (47). Medicare paid $18.10 per fill, versus $22.82 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 California prescribers
Nicholas Pena wrote 11 prescriptions for Tamsulosin Hcl, about 13% as often as the typical California prescriber of it (84). Medicare paid $7.53 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.
Questions about Nicholas Pena’s prescriptions
What does Nicholas Pena prescribe most?
In 2024 Medicare Part D data, Nicholas Pena's most prescribed medications were Amoxicillin-Clavulanate Potass (42), Nitrofurantoin Mono-Macro (24) and Azithromycin (23).
How does Nicholas Pena's prescribing compare with other California prescribers?
Of the 11 medications with a state comparison, Nicholas Pena prescribes 1 more often than the typical California prescriber, 1 about as often and 9 less often. Volume reflects practice size as well as prescribing habits.
Does this list show every medication Nicholas Pena 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.
