DR. OTTO R GARCIA MONTENEGRO M.D.
Prescription History 1790773992
Internal Medicine in Chicago, IL
What does Dr. Garcia Montenegro prescribe?
In 2024, Dr. Garcia Montenegro wrote 264 Medicare prescriptions for 13 medications. The most prescribed was Atorvastatin Calcium, with 38 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. Garcia Montenegro prescribes.
Medications 13 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 Illinois prescribers.
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 Illinois prescribers
Dr. Garcia Montenegro wrote 38 prescriptions for Atorvastatin Calcium, about 18% as often as the typical Illinois prescriber of it (208). Medicare paid $2.64 per fill, versus $9.37 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
Metformin is used with a proper diet and exercise program and possibly with other medications to control high blood sugar.
Compared with Illinois prescribers
Dr. Garcia Montenegro wrote 34 prescriptions for Metformin Hcl, about 33% as often as the typical Illinois prescriber of it (102). Medicare paid $5.23 per fill, versus $7.31 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
Gabapentin is used with other medications to prevent and control seizures.
Compared with Illinois prescribers
Dr. Garcia Montenegro wrote 30 prescriptions for Gabapentin, about 35% as often as the typical Illinois prescriber of it (87). Medicare paid $6.74 per fill, versus $15.83 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
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 Illinois prescribers
Dr. Garcia Montenegro wrote 26 prescriptions for Albuterol Sulfate Hfa, about half as often as the typical Illinois prescriber of it (61). Medicare paid $34.35 per fill, versus $31.97 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
This medication is a nonsteroidal anti-inflammatory drug (NSAID), specifically a COX-2 inhibitor, which relieves pain and swelling (inflammation).
Compared with Illinois prescribers
Dr. Garcia Montenegro wrote 24 prescriptions for Celecoxib, about 64% as often as the typical Illinois prescriber of it (38). Medicare paid $18.59 per fill, versus $29.14 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 Illinois prescribers
Dr. Garcia Montenegro wrote 23 prescriptions for Amlodipine Besylate, about 16% as often as the typical Illinois prescriber of it (146). Medicare paid $2.54 per fill, versus $6.68 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 Illinois prescribers
Dr. Garcia Montenegro wrote 17 prescriptions for Lisinopril, about 14% as often as the typical Illinois prescriber of it (120). Medicare paid $8.85 per fill, versus $7.00 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
Carvedilol is used to treat high blood pressure and heart failure.
Compared with Illinois prescribers
Dr. Garcia Montenegro wrote 13 prescriptions for Carvedilol, about 19% as often as the typical Illinois prescriber of it (70). Medicare paid $2.80 per fill, versus $8.63 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 Illinois prescribers
Dr. Garcia Montenegro wrote 13 prescriptions for Ibuprofen, about 40% as often as the typical Illinois prescriber of it (33). Medicare paid $4.02 per fill, versus $6.01 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
Losartan is used to treat high blood pressure (hypertension) and to help protect the kidneys from damage due to diabetes.
Compared with Illinois prescribers
Dr. Garcia Montenegro wrote 13 prescriptions for Losartan Potassium, about 11% as often as the typical Illinois prescriber of it (115). Medicare paid $3.89 per fill, versus $9.41 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
Enalapril is used to treat high blood pressure.
Compared with Illinois prescribers
Dr. Garcia Montenegro wrote 11 prescriptions for Enalapril Maleate, about 36% as often as the typical Illinois prescriber of it (31). Medicare paid $11.71 per fill, versus $15.68 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
Pantoprazole is used to treat certain stomach and esophagus problems (such as acid reflux).
Compared with Illinois prescribers
Dr. Garcia Montenegro wrote 11 prescriptions for Pantoprazole Sodium, about 13% as often as the typical Illinois prescriber of it (83). Medicare paid $5.08 per fill, versus $12.56 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 Illinois prescribers
Dr. Garcia Montenegro wrote 11 prescriptions for Triamcinolone Acetonide, about 30% as often as the typical Illinois prescriber of it (37). Medicare paid $5.59 per fill, versus $9.36 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. Garcia Montenegro’s prescriptions
What does Dr. Garcia Montenegro prescribe most?
In 2024 Medicare Part D data, Dr. Garcia Montenegro's most prescribed medications were Atorvastatin Calcium (38), Metformin Hcl (34) and Gabapentin (30).
How does Dr. Garcia Montenegro's prescribing compare with other Illinois prescribers?
Of the 13 medications with a state comparison, Dr. Garcia Montenegro prescribes 13 less often than the typical Illinois prescriber. Volume reflects practice size as well as prescribing habits.
Does this list show every medication Dr. Garcia Montenegro 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 Illinois 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.
