DR. MARIDALIA MONTES LOPEZ MD
Prescription History 1982939492
General Practice in Caguas, PR
What does Dr. Montes Lopez prescribe?
In 2024, Dr. Montes Lopez wrote 1,204 Medicare prescriptions for 21 medications. The most prescribed was Azithromycin, with 278 prescriptions for 266 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. Montes Lopez prescribes.
Medications 21 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
Azithromycin is used to treat a wide variety of bacterial infections.
Compared with Puerto Rico prescribers
Dr. Montes Lopez wrote 278 prescriptions for Azithromycin, about 5.1 times as often as the typical Puerto Rico prescriber of it (54). Medicare paid $6.79 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
Ibuprofen is used to relieve pain from various conditions such as headache, dental pain, menstrual cramps, muscle aches, or arthritis.
Compared with Puerto Rico prescribers
Dr. Montes Lopez wrote 171 prescriptions for Ibuprofen, about 4.2 times as often as the typical Puerto Rico prescriber of it (41). Medicare paid $3.82 per fill, versus $5.45 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. Montes Lopez wrote 123 prescriptions for Prednisone, about 2 times as often as the typical Puerto Rico prescriber of it (62). Medicare paid $2.53 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
This medication is used to treat a variety of bacterial infections.
Compared with Puerto Rico prescribers
Dr. Montes Lopez wrote 111 prescriptions for Ciprofloxacin Hcl, about 2.8 times as often as the typical Puerto Rico prescriber of it (40). Medicare paid $5.68 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
Amoxicillin/clavulanic acid is a combination penicillin-type antibiotic used to treat a wide variety of bacterial infections.
Compared with Puerto Rico prescribers
Dr. Montes Lopez wrote 70 prescriptions for Amoxicillin-Clavulanate Potass, about 2.2 times as often as the typical Puerto Rico prescriber of it (32). Medicare paid $13.41 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
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. Montes Lopez wrote 62 prescriptions for Famotidine, about 30% as often as the typical Puerto Rico prescriber of it (204). Medicare paid $3.41 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
Nabumetone is used to reduce pain, swelling, and joint stiffness from arthritis.
Compared with Puerto Rico prescribers
Dr. Montes Lopez wrote 48 prescriptions for Nabumetone, about 82% as often as the typical Puerto Rico prescriber of it (58). Medicare paid $6.53 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
Cyclobenzaprine is used short-term to treat muscle spasms.
Compared with Puerto Rico prescribers
Dr. Montes Lopez wrote 43 prescriptions for Cyclobenzaprine Hcl, about 1.4 times as often as the typical Puerto Rico prescriber of it (30). Medicare paid $3.31 per fill, versus $5.02 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
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. Montes Lopez wrote 34 prescriptions for Fluticasone Propionate, about 35% as often as the typical Puerto Rico prescriber of it (97). Medicare paid $13.70 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
Ibuprofen is used to relieve pain from various conditions such as headache, dental pain, menstrual cramps, muscle aches, or arthritis.
Compared with Puerto Rico prescribers
Dr. Montes Lopez wrote 32 prescriptions for Ibu, about 1.6 times as often as the typical Puerto Rico prescriber of it (20). Medicare paid $3.75 per fill, versus $5.37 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. Montes Lopez wrote 30 prescriptions for Orphenadrine Citrate Er, about 1.3 times as often as the typical Puerto Rico prescriber of it (23). Medicare paid $10.59 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
Dicyclomine is used to treat a certain type of intestinal problem called irritable bowel syndrome.
Compared with Puerto Rico prescribers
Dr. Montes Lopez wrote 26 prescriptions for Dicyclomine Hcl, about 73% as often as the typical Puerto Rico prescriber of it (36). Medicare paid $4.55 per fill, versus $10.44 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 conditions involving swelling (inflammation) of the eyes and to treat or prevent bacterial eye infections.
Compared with Puerto Rico prescribers
Dr. Montes Lopez wrote 26 prescriptions for Neomycin-Polymyxin-Dexameth, about 73% as often as the typical Puerto Rico prescriber of it (36). Medicare paid $18.01 per fill, versus $17.15 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
This medication is used to treat a variety of skin conditions (such as eczema, dermatitis, allergies, rash).
Compared with Puerto Rico prescribers
Dr. Montes Lopez wrote 22 prescriptions for Betamethasone Valerate, about half as often as the typical Puerto Rico prescriber of it (43). Medicare paid $26.94 per fill, versus $35.72 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. Montes Lopez wrote 22 prescriptions for Methylprednisolone, about half as often as the typical Puerto Rico prescriber of it (48). Medicare paid $9.28 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 combination of nirmatrelvir and ritonavir is used to treat coronavirus disease (COVID-19) in people who have mild to moderate symptoms and have a high risk for COVID-19 complications.
Compared with Puerto Rico prescribers
Dr. Montes Lopez wrote 22 prescriptions for Paxlovid, about as often as the typical Puerto Rico prescriber of it (21). Medicare paid $0.00 per fill, versus $73.27 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
Clindamycin is used to treat a wide variety of bacterial infections.
Compared with Puerto Rico prescribers
Dr. Montes Lopez wrote 20 prescriptions for Clindamycin Hcl, about 60% as often as the typical Puerto Rico prescriber of it (33). Medicare paid $11.58 per fill, versus $10.00 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
Fluconazole is used to treat vaginal yeast infections.
Compared with Puerto Rico prescribers
Dr. Montes Lopez wrote 18 prescriptions for Fluconazole, about 66% as often as the typical Puerto Rico prescriber of it (27). Medicare paid $3.44 per fill, versus $7.93 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. Montes Lopez wrote 18 prescriptions for Sulfamethoxazole-Trimethoprim, about half as often as the typical Puerto Rico prescriber of it (34). Medicare paid $4.67 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.
What it is used for
This medication is used to treat a wide variety of bacterial infections, including those that cause acne.
Compared with Puerto Rico prescribers
Dr. Montes Lopez wrote 15 prescriptions for Doxycycline Monohydrate, about half as often as the typical Puerto Rico prescriber of it (28). Medicare paid $12.40 per fill, versus $14.70 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
See also Warning section.
Compared with Puerto Rico prescribers
Dr. Montes Lopez wrote 13 prescriptions for Naproxen, about 32% as often as the typical Puerto Rico prescriber of it (41). Medicare paid $4.15 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.
Questions about Dr. Montes Lopez’s prescriptions
What does Dr. Montes Lopez prescribe most?
In 2024 Medicare Part D data, Dr. Montes Lopez's most prescribed medications were Azithromycin (278), Ibuprofen (171) and Prednisone (123).
How does Dr. Montes Lopez's prescribing compare with other Puerto Rico prescribers?
Of the 21 medications with a state comparison, Dr. Montes Lopez prescribes 8 more often than the typical Puerto Rico prescriber, 2 about as often and 11 less often. Volume reflects practice size as well as prescribing habits.
Does this list show every medication Dr. Montes Lopez 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.
