DR. ANGEL LUIS LOPEZ PEREZ MD
Prescription History 1134787708
General Practice in Bayamon, PR
What does Dr. Lopez Perez prescribe?
In 2024, Dr. Lopez Perez wrote 591 Medicare prescriptions for 27 medications. The most prescribed was Gabapentin, with 48 prescriptions for 19 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. Lopez Perez prescribes.
Medications 27 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
Gabapentin is used with other medications to prevent and control seizures.
Compared with Puerto Rico prescribers
Dr. Lopez Perez wrote 48 prescriptions for Gabapentin, about 18% as often as the typical Puerto Rico prescriber of it (262). Medicare paid $9.89 per fill, versus $9.88 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
Atorvastatin is used along with a proper diet to help lower "bad" cholesterol and fats (such as LDL, triglycerides) and raise "good" cholesterol (HDL) in the blood.
Compared with Puerto Rico prescribers
Dr. Lopez Perez wrote 47 prescriptions for Atorvastatin Calcium, about 14% as often as the typical Puerto Rico prescriber of it (337). Medicare paid $5.76 per fill, versus $10.05 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
Omeprazole is used to treat certain stomach and esophagus problems (such as acid reflux, ulcers).
Compared with Puerto Rico prescribers
Dr. Lopez Perez wrote 43 prescriptions for Omeprazole, about 27% as often as the typical Puerto Rico prescriber of it (158). Medicare paid $5.22 per fill, versus $6.77 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
Amlodipine is used with or without other medications to treat high blood pressure.
Compared with Puerto Rico prescribers
Dr. Lopez Perez wrote 42 prescriptions for Amlodipine Besylate, about 20% as often as the typical Puerto Rico prescriber of it (210). Medicare paid $3.67 per fill, versus $5.10 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
Losartan is used to treat high blood pressure (hypertension) and to help protect the kidneys from damage due to diabetes.
Compared with Puerto Rico prescribers
Dr. Lopez Perez wrote 41 prescriptions for Losartan Potassium, about 17% as often as the typical Puerto Rico prescriber of it (247). Medicare paid $7.25 per fill, versus $10.77 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. Lopez Perez wrote 36 prescriptions for Famotidine, about 18% as often as the typical Puerto Rico prescriber of it (204). Medicare paid $5.97 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. Lopez Perez wrote 27 prescriptions for Azithromycin, about half as often as the typical Puerto Rico prescriber of it (54). Medicare paid $6.46 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
Metformin is used with a proper diet and exercise program and possibly with other medications to control high blood sugar.
Compared with Puerto Rico prescribers
Dr. Lopez Perez wrote 26 prescriptions for Metformin Hcl, about 13% as often as the typical Puerto Rico prescriber of it (204). Medicare paid $3.26 per fill, versus $6.34 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 high blood pressure.
Compared with Puerto Rico prescribers
Dr. Lopez Perez wrote 24 prescriptions for Hydrochlorothiazide, about 21% as often as the typical Puerto Rico prescriber of it (115). Medicare paid $3.41 per fill, versus $5.83 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
Montelukast is used to control and prevent symptoms caused by asthma (such as wheezing and shortness of breath).
Compared with Puerto Rico prescribers
Dr. Lopez Perez wrote 23 prescriptions for Montelukast Sodium, about 18% as often as the typical Puerto Rico prescriber of it (130). Medicare paid $6.84 per fill, versus $10.15 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
Lisinopril is used to treat high blood pressure.
Compared with Puerto Rico prescribers
Dr. Lopez Perez wrote 20 prescriptions for Lisinopril, about 12% as often as the typical Puerto Rico prescriber of it (163). Medicare paid $3.65 per fill, versus $5.61 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
Fluticasone is used to relieve seasonal and year-round allergic and non-allergic nasal symptoms, such as stuffy/runny nose, itching, and sneezing.
Compared with Puerto Rico prescribers
Dr. Lopez Perez wrote 18 prescriptions for Fluticasone Propionate, about 19% as often as the typical Puerto Rico prescriber of it (97). Medicare paid $16.16 per fill, versus $16.47 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
Simvastatin is used along with a proper diet to help lower "bad" cholesterol and fats (such as LDL, triglycerides) and raise "good" cholesterol (HDL) in the blood.
Compared with Puerto Rico prescribers
Dr. Lopez Perez wrote 18 prescriptions for Simvastatin, about 9% as often as the typical Puerto Rico prescriber of it (193). Medicare paid $3.30 per fill, versus $7.24 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
Alendronate is used to prevent and treat certain types of bone loss (osteoporosis) in adults.
Compared with Puerto Rico prescribers
Dr. Lopez Perez wrote 17 prescriptions for Alendronate Sodium, about 14% as often as the typical Puerto Rico prescriber of it (118). Medicare paid $5.31 per fill, versus $7.83 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
See also Warning section.
Compared with Puerto Rico prescribers
Dr. Lopez Perez wrote 17 prescriptions for Diclofenac Potassium, about 26% as often as the typical Puerto Rico prescriber of it (65). Medicare paid $51.63 per fill, versus $35.40 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 contains 2 medicines: buprenorphine and naloxone.
Compared with Puerto Rico prescribers
Dr. Lopez Perez wrote 15 prescriptions for Buprenorphine-Naloxone, about half as often as the typical Puerto Rico prescriber of it (31). Medicare paid $255.13 per fill, versus $167.44 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 Puerto Rico prescribers
Dr. Lopez Perez wrote 14 prescriptions for Ciprofloxacin Hcl, about 35% as often as the typical Puerto Rico prescriber of it (40). Medicare paid $7.95 per fill, versus $7.67 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
Ezetimibe is used along with a low cholesterol/low fat diet and exercise to help lower cholesterol in the blood.
Compared with Puerto Rico prescribers
Dr. Lopez Perez wrote 12 prescriptions for Ezetimibe, about 14% as often as the typical Puerto Rico prescriber of it (84). Medicare paid $10.48 per fill, versus $17.57 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
Latanoprost is used to treat high pressure inside the eye due to glaucoma (open angle type) or other eye diseases (such as ocular hypertension).
Compared with Puerto Rico prescribers
Dr. Lopez Perez wrote 12 prescriptions for Latanoprost, about 8% as often as the typical Puerto Rico prescriber of it (157). Medicare paid $9.25 per fill, versus $12.94 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 Puerto Rico prescribers
Dr. Lopez Perez wrote 12 prescriptions for Prednisone, about 19% as often as the typical Puerto Rico prescriber of it (62). Medicare paid $3.56 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
Levothyroxine is used to treat an underactive thyroid (hypothyroidism).
Compared with Puerto Rico prescribers
Dr. Lopez Perez wrote 12 prescriptions for Synthroid, about 5% as often as the typical Puerto Rico prescriber of it (233). Medicare paid $70.56 per fill, versus $76.31 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 certain sleep problem (insomnia).
Compared with Puerto Rico prescribers
Dr. Lopez Perez wrote 12 prescriptions for Temazepam, about 7% as often as the typical Puerto Rico prescriber of it (168). Medicare paid $8.98 per fill, versus $9.16 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 Puerto Rico prescribers
Dr. Lopez Perez wrote 11 prescriptions for Albuterol Sulfate Hfa, about 12% as often as the typical Puerto Rico prescriber of it (95). Medicare paid $50.91 per fill, versus $43.35 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
Gemfibrozil is used along with a proper diet to help lower fats (triglycerides) and raise "good" cholesterol (HDL) in the blood.
Compared with Puerto Rico prescribers
Dr. Lopez Perez wrote 11 prescriptions for Gemfibrozil, about 35% as often as the typical Puerto Rico prescriber of it (31). Medicare paid $15.23 per fill, versus $15.52 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
Levothyroxine is used to treat an underactive thyroid (hypothyroidism).
Compared with Puerto Rico prescribers
Dr. Lopez Perez wrote 11 prescriptions for Levothyroxine Sodium, about 6% as often as the typical Puerto Rico prescriber of it (183). Medicare paid $9.77 per fill, versus $11.95 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
Nabumetone is used to reduce pain, swelling, and joint stiffness from arthritis.
Compared with Puerto Rico prescribers
Dr. Lopez Perez wrote 11 prescriptions for Nabumetone, about 19% as often as the typical Puerto Rico prescriber of it (58). Medicare paid $16.45 per fill, versus $15.60 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 combination medication is used to help relieve moderate to severe pain.
Compared with Puerto Rico prescribers
Dr. Lopez Perez wrote 11 prescriptions for Oxycodone-Acetaminophen, about 22% as often as the typical Puerto Rico prescriber of it (50). Medicare paid $26.92 per fill, versus $19.22 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. Lopez Perez’s prescriptions
What does Dr. Lopez Perez prescribe most?
In 2024 Medicare Part D data, Dr. Lopez Perez's most prescribed medications were Gabapentin (48), Atorvastatin Calcium (47) and Omeprazole (43).
How does Dr. Lopez Perez's prescribing compare with other Puerto Rico prescribers?
Of the 27 medications with a state comparison, Dr. Lopez Perez prescribes 27 less often than the typical Puerto Rico prescriber. Volume reflects practice size as well as prescribing habits.
Does this list show every medication Dr. Lopez 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.
