DR. LORENZO RIVERA MD
Prescription History 1730814021
General Practice in Camuy, PR
What does Dr. Rivera prescribe?
In 2024, Dr. Rivera wrote 650 Medicare prescriptions for 26 medications. The most prescribed was Gabapentin, with 85 prescriptions for 28 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. Rivera prescribes.
Medications 26 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. Rivera wrote 85 prescriptions for Gabapentin, about 32% as often as the typical Puerto Rico prescriber of it (262). Medicare paid $8.78 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
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. Rivera wrote 50 prescriptions for Famotidine, about 25% as often as the typical Puerto Rico prescriber of it (204). Medicare paid $5.60 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
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. Rivera wrote 46 prescriptions for Simvastatin, about 24% as often as the typical Puerto Rico prescriber of it (193). Medicare paid $8.02 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
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. Rivera wrote 42 prescriptions for Metformin Hcl, about 21% as often as the typical Puerto Rico prescriber of it (204). Medicare paid $8.07 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
Azithromycin is used to treat a wide variety of bacterial infections.
Compared with Puerto Rico prescribers
Dr. Rivera wrote 31 prescriptions for Azithromycin, about half as often as the typical Puerto Rico prescriber of it (54). Medicare paid $9.26 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
Lisinopril is used to treat high blood pressure.
Compared with Puerto Rico prescribers
Dr. Rivera wrote 31 prescriptions for Lisinopril, about 19% as often as the typical Puerto Rico prescriber of it (163). Medicare paid $6.38 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
Levothyroxine is used to treat an underactive thyroid (hypothyroidism).
Compared with Puerto Rico prescribers
Dr. Rivera wrote 28 prescriptions for Synthroid, about 12% as often as the typical Puerto Rico prescriber of it (233). Medicare paid $75.73 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
Glipizide is used with a proper diet and exercise program to control high blood sugar in people with type 2 diabetes.
Compared with Puerto Rico prescribers
Dr. Rivera wrote 27 prescriptions for Glipizide, about 35% as often as the typical Puerto Rico prescriber of it (76). Medicare paid $11.07 per fill, versus $17.11 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
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. Rivera wrote 23 prescriptions for Atorvastatin Calcium, about 7% as often as the typical Puerto Rico prescriber of it (337). Medicare paid $12.82 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
See also Warning section.
Compared with Puerto Rico prescribers
Dr. Rivera wrote 23 prescriptions for Diclofenac Potassium, about 36% as often as the typical Puerto Rico prescriber of it (65). Medicare paid $23.93 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 is used to improve the symptoms of a certain blood flow problem in the legs/arms (intermittent claudication due to occlusive artery disease).
Compared with Puerto Rico prescribers
Dr. Rivera wrote 22 prescriptions for Pentoxifylline, about 41% as often as the typical Puerto Rico prescriber of it (53). Medicare paid $44.29 per fill, versus $39.09 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. Rivera wrote 20 prescriptions for Amlodipine Besylate, about 10% as often as the typical Puerto Rico prescriber of it (210). Medicare paid $4.51 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
Combination isophane/regular insulin is used with a proper diet and exercise program to control high blood sugar in people with diabetes.
Compared with Puerto Rico prescribers
Dr. Rivera wrote 20 prescriptions for Humulin 70-30, about half as often as the typical Puerto Rico prescriber of it (46). Medicare paid $62.59 per fill, versus $106.01 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. Rivera wrote 19 prescriptions for Dexamethasone, about 33% as often as the typical Puerto Rico prescriber of it (58). Medicare paid $11.03 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
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. Rivera wrote 18 prescriptions for Losartan Potassium, about 7% as often as the typical Puerto Rico prescriber of it (247). Medicare paid $9.48 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
Montelukast is used to control and prevent symptoms caused by asthma (such as wheezing and shortness of breath).
Compared with Puerto Rico prescribers
Dr. Rivera wrote 18 prescriptions for Montelukast Sodium, about 14% as often as the typical Puerto Rico prescriber of it (130). Medicare paid $9.90 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
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. Rivera wrote 17 prescriptions for Albuterol Sulfate Hfa, about 18% as often as the typical Puerto Rico prescriber of it (95). Medicare paid $32.64 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
This medication is used to treat a variety of bacterial infections.
Compared with Puerto Rico prescribers
Dr. Rivera wrote 17 prescriptions for Ciprofloxacin Hcl, about half as often as the typical Puerto Rico prescriber of it (40). Medicare paid $19.05 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
This medication is used to treat high blood pressure.
Compared with Puerto Rico prescribers
Dr. Rivera wrote 17 prescriptions for Hydrochlorothiazide, about 15% as often as the typical Puerto Rico prescriber of it (115). Medicare paid $6.58 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
This medication is an antibiotic used to treat bladder infections (acute cystitis).
Compared with Puerto Rico prescribers
Dr. Rivera wrote 17 prescriptions for Nitrofurantoin Mono-Macro, about 66% as often as the typical Puerto Rico prescriber of it (26). Medicare paid $54.32 per fill, versus $17.65 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
Alendronate is used to prevent and treat certain types of bone loss (osteoporosis) in adults.
Compared with Puerto Rico prescribers
Dr. Rivera wrote 15 prescriptions for Alendronate Sodium, about 13% as often as the typical Puerto Rico prescriber of it (118). Medicare paid $7.33 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
Amoxicillin/clavulanic acid is a combination penicillin-type antibiotic used to treat a wide variety of bacterial infections.
Compared with Puerto Rico prescribers
Dr. Rivera wrote 15 prescriptions for Amoxicillin-Clavulanate Potass, about half as often as the typical Puerto Rico prescriber of it (32). Medicare paid $43.98 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
Omeprazole is used to treat certain stomach and esophagus problems (such as acid reflux, ulcers).
Compared with Puerto Rico prescribers
Dr. Rivera wrote 15 prescriptions for Omeprazole, about 9% as often as the typical Puerto Rico prescriber of it (158). Medicare paid $7.20 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
Furosemide is used to reduce extra fluid in the body (edema) caused by conditions such as heart failure, liver disease, and kidney disease.
Compared with Puerto Rico prescribers
Dr. Rivera wrote 12 prescriptions for Furosemide, about 15% as often as the typical Puerto Rico prescriber of it (82). Medicare paid $7.76 per fill, versus $5.52 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
Calcitriol is a man-made active form of vitamin D.
Compared with Puerto Rico prescribers
Dr. Rivera wrote 11 prescriptions for Calcitriol, about 27% as often as the typical Puerto Rico prescriber of it (41). Medicare paid $15.56 per fill, versus $18.29 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 medication is a combination of two antibiotics: sulfamethoxazole and trimethoprim.
Compared with Puerto Rico prescribers
Dr. Rivera wrote 11 prescriptions for Sulfamethoxazole-Trimethoprim, about 32% as often as the typical Puerto Rico prescriber of it (34). Medicare paid $11.52 per fill, versus $4.37 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. Rivera’s prescriptions
What does Dr. Rivera prescribe most?
In 2024 Medicare Part D data, Dr. Rivera's most prescribed medications were Gabapentin (85), Famotidine (50) and Simvastatin (46).
How does Dr. Rivera's prescribing compare with other Puerto Rico prescribers?
Of the 26 medications with a state comparison, Dr. Rivera prescribes 26 less often than the typical Puerto Rico prescriber. Volume reflects practice size as well as prescribing habits.
Does this list show every medication Dr. Rivera 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.
