DR. ELIZ MARIE FUENTES PEREZ MD
Prescription History 1578282919
General Practice in San Sebastian, PR
What does Dr. Fuentes Perez prescribe?
In 2024, Dr. Fuentes Perez wrote 376 Medicare prescriptions for 11 medications. The most prescribed was Naproxen, with 86 prescriptions for 85 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 Dr. Fuentes Perez 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 Puerto Rico prescribers.
What it is used for
See also Warning section.
Compared with Puerto Rico prescribers
Dr. Fuentes Perez wrote 86 prescriptions for Naproxen, about 2.1 times as often as the typical Puerto Rico prescriber of it (41). Medicare paid $3.63 per fill, versus $7.54 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
Orphenadrine is used to treat muscle spasms/pain.
Compared with Puerto Rico prescribers
Dr. Fuentes Perez wrote 57 prescriptions for Orphenadrine Citrate Er, about 2.5 times as often as the typical Puerto Rico prescriber of it (23). Medicare paid $16.92 per fill, versus $23.64 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
Famotidine is used to treat ulcers of the stomach and intestines and to prevent intestinal ulcers from coming back after they have healed.
Compared with Puerto Rico prescribers
Dr. Fuentes Perez wrote 47 prescriptions for Famotidine, about 23% as often as the typical Puerto Rico prescriber of it (204). Medicare paid $3.23 per fill, versus $7.25 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 Puerto Rico prescribers
Dr. Fuentes Perez wrote 45 prescriptions for Azithromycin, about 83% as often as the typical Puerto Rico prescriber of it (54). Medicare paid $7.20 per fill, versus $8.38 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
Amoxicillin/clavulanic acid is a combination penicillin-type antibiotic used to treat a wide variety of bacterial infections.
Compared with Puerto Rico prescribers
Dr. Fuentes Perez wrote 42 prescriptions for Amoxicillin-Clavulanate Potass, about 1.3 times as often as the typical Puerto Rico prescriber of it (32). Medicare paid $19.32 per fill, versus $16.23 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 alone or with other medications to prevent nausea and vomiting caused by cancer drug treatment (chemotherapy) and radiation therapy.
Compared with Puerto Rico prescribers
Dr. Fuentes Perez wrote 30 prescriptions for Ondansetron Hcl, about as often as the typical Puerto Rico prescriber of it (27). Medicare paid $3.79 per fill, versus $10.29 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 vaccine is used to keep up protection (immunity) against diphtheria, tetanus (lockjaw) and pertussis (whooping cough) in children and adults who have been vaccinated for these diseases in the past.
Compared with Puerto Rico prescribers
Dr. Fuentes Perez wrote 16 prescriptions for Boostrix Tdap, about 40% as often as the typical Puerto Rico prescriber of it (40). Medicare paid $60.21 per fill, versus $63.65 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 Puerto Rico prescribers
Dr. Fuentes Perez wrote 15 prescriptions for Dexamethasone, about 26% as often as the typical Puerto Rico prescriber of it (58). Medicare paid $13.11 per fill, versus $12.97 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 Puerto Rico prescribers
Dr. Fuentes Perez wrote 15 prescriptions for Methylprednisolone, about 31% as often as the typical Puerto Rico prescriber of it (48). Medicare paid $8.92 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
Amoxicillin is used to treat a wide variety of bacterial infections.
Compared with Puerto Rico prescribers
Dr. Fuentes Perez wrote 12 prescriptions for Amoxicillin, about 22% as often as the typical Puerto Rico prescriber of it (53). Medicare paid $5.10 per fill, versus $6.21 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
This ear drop is used to treat outer ear infections caused by bacteria (also known as swimmer's ear).
Compared with Puerto Rico prescribers
Dr. Fuentes Perez wrote 11 prescriptions for Neomycin-Polymyxin-Hydrocort, about half as often as the typical Puerto Rico prescriber of it (24). Medicare paid $70.07 per fill, versus $67.33 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
Questions about Dr. Fuentes Perez’s prescriptions
What does Dr. Fuentes Perez prescribe most?
In 2024 Medicare Part D data, Dr. Fuentes Perez's most prescribed medications were Naproxen (86), Orphenadrine Citrate Er (57) and Famotidine (47).
How does Dr. Fuentes Perez's prescribing compare with other Puerto Rico prescribers?
Of the 11 medications with a state comparison, Dr. Fuentes Perez prescribes 3 more often than the typical Puerto Rico prescriber, 2 about as often and 6 less often. Volume reflects practice size as well as prescribing habits.
Does this list show every medication Dr. Fuentes Perez 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 Puerto Rico 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.
