ERIN BOLIVAR M.D.
Prescription History 1720344708
Family Medicine in Katy, TX
What does Dr. Bolivar prescribe?
In 2024, Dr. Bolivar wrote 1,225 Medicare prescriptions for 33 medications. The most prescribed was Atorvastatin Calcium, with 117 prescriptions for 40 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. Bolivar prescribes.
Medications 33 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 Texas 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 Texas prescribers
Dr. Bolivar wrote 117 prescriptions for Atorvastatin Calcium, about 65% as often as the typical Texas prescriber of it (180). Medicare paid $12.30 per fill, versus $9.48 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 Texas prescribers
Dr. Bolivar wrote 110 prescriptions for Levothyroxine Sodium, about 73% as often as the typical Texas prescriber of it (150). Medicare paid $9.74 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
Rosuvastatin 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 Texas prescribers
Dr. Bolivar wrote 109 prescriptions for Rosuvastatin Calcium, about 89% as often as the typical Texas prescriber of it (122). Medicare paid $25.38 per fill, versus $13.19 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 Texas prescribers
Dr. Bolivar wrote 86 prescriptions for Amlodipine Besylate, about 65% as often as the typical Texas prescriber of it (133). Medicare paid $8.38 per fill, versus $6.07 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 Texas prescribers
Dr. Bolivar wrote 66 prescriptions for Losartan Potassium, about half as often as the typical Texas prescriber of it (111). Medicare paid $9.89 per fill, versus $9.74 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
Semaglutide is used with a proper diet and exercise program to control high blood sugar in people with type 2 diabetes.
Compared with Texas prescribers
Dr. Bolivar wrote 59 prescriptions for Ozempic, about 88% as often as the typical Texas prescriber of it (67). Medicare paid $995.25 per fill, versus $1,293.82 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 beta-blocker used to treat chest pain (angina), heart failure, and high blood pressure.
Compared with Texas prescribers
Dr. Bolivar wrote 54 prescriptions for Metoprolol Succinate, about half as often as the typical Texas prescriber of it (101). Medicare paid $13.74 per fill, versus $14.00 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
This medication is used to treat high blood pressure.
Compared with Texas prescribers
Dr. Bolivar wrote 52 prescriptions for Hydrochlorothiazide, about 81% as often as the typical Texas prescriber of it (65). Medicare paid $3.28 per fill, versus $4.50 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 Texas prescribers
Dr. Bolivar wrote 49 prescriptions for Lisinopril, about half as often as the typical Texas prescriber of it (108). Medicare paid $9.99 per fill, versus $7.09 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
Metformin is used with a proper diet and exercise program and possibly with other medications to control high blood sugar.
Compared with Texas prescribers
Dr. Bolivar wrote 42 prescriptions for Metformin Hcl, about half as often as the typical Texas prescriber of it (96). Medicare paid $8.03 per fill, versus $7.22 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 Texas prescribers
Dr. Bolivar wrote 36 prescriptions for Fluticasone Propionate, about 66% as often as the typical Texas prescriber of it (55). Medicare paid $17.38 per fill, versus $15.72 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
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 Texas prescribers
Dr. Bolivar wrote 30 prescriptions for Simvastatin, about half as often as the typical Texas prescriber of it (62). Medicare paid $9.08 per fill, versus $8.39 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 depression.
Compared with Texas prescribers
Dr. Bolivar wrote 30 prescriptions for Trazodone Hcl, about half as often as the typical Texas prescriber of it (67). Medicare paid $6.49 per fill, versus $8.61 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
This medication is used to treat certain mental/mood disorders (such as depression, anxiety).
Compared with Texas prescribers
Dr. Bolivar wrote 28 prescriptions for Duloxetine Hcl, about half as often as the typical Texas prescriber of it (52). Medicare paid $12.07 per fill, versus $23.99 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
Meloxicam is used to treat arthritis.
Compared with Texas prescribers
Dr. Bolivar wrote 27 prescriptions for Meloxicam, about half as often as the typical Texas prescriber of it (57). Medicare paid $12.13 per fill, versus $4.11 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
Pravastatin 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 Texas prescribers
Dr. Bolivar wrote 25 prescriptions for Pravastatin Sodium, about half as often as the typical Texas prescriber of it (52). Medicare paid $22.70 per fill, versus $13.28 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 certain mental/mood disorders (such as depression, panic attacks, obsessive compulsive disorder, post-traumatic stress disorder, social anxiety disorder).
Compared with Texas prescribers
Dr. Bolivar wrote 25 prescriptions for Sertraline Hcl, about half as often as the typical Texas prescriber of it (59). Medicare paid $8.08 per fill, versus $9.11 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
Tamsulosin is used by men to treat the symptoms of an enlarged prostate (benign prostatic hyperplasia-BPH).
Compared with Texas prescribers
Dr. Bolivar wrote 24 prescriptions for Tamsulosin Hcl, about 28% as often as the typical Texas prescriber of it (86). Medicare paid $16.19 per fill, versus $14.12 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 Texas prescribers
Dr. Bolivar wrote 23 prescriptions for Gabapentin, about 24% as often as the typical Texas prescriber of it (96). Medicare paid $17.40 per fill, versus $15.87 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
Tirzepatide is used with a proper diet and exercise program to control high blood sugar in people with type 2 diabetes.
Compared with Texas prescribers
Dr. Bolivar wrote 23 prescriptions for Mounjaro, about half as often as the typical Texas prescriber of it (51). Medicare paid $1,156.56 per fill, versus $1,267.11 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
Omeprazole is used to treat certain stomach and esophagus problems (such as acid reflux, ulcers).
Compared with Texas prescribers
Dr. Bolivar wrote 23 prescriptions for Omeprazole, about 29% as often as the typical Texas prescriber of it (79). Medicare paid $10.18 per fill, versus $14.93 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
Montelukast is used to control and prevent symptoms caused by asthma (such as wheezing and shortness of breath).
Compared with Texas prescribers
Dr. Bolivar wrote 22 prescriptions for Montelukast Sodium, about 32% as often as the typical Texas prescriber of it (69). Medicare paid $15.78 per fill, versus $10.85 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
Empagliflozin is used with a proper diet and exercise program to control high blood sugar in people with type 2 diabetes.
Compared with Texas prescribers
Dr. Bolivar wrote 21 prescriptions for Jardiance, about 40% as often as the typical Texas prescriber of it (52). Medicare paid $1,052.46 per fill, versus $1,092.03 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
Nifedipine is used alone or in combination with other drugs to treat high blood pressure (hypertension).
Compared with Texas prescribers
Dr. Bolivar wrote 21 prescriptions for Nifedipine Er, about half as often as the typical Texas prescriber of it (39). Medicare paid $22.58 per fill, versus $25.74 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 Texas prescribers
Dr. Bolivar wrote 18 prescriptions for Metformin Hcl Er, about 32% as often as the typical Texas prescriber of it (56). Medicare paid $11.91 per fill, versus $9.50 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
Valacyclovir is used to treat infections caused by certain types of viruses.
Compared with Texas prescribers
Dr. Bolivar wrote 17 prescriptions for Valacyclovir, about 73% as often as the typical Texas prescriber of it (23). Medicare paid $32.65 per fill, versus $35.56 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 product is a combination of two drugs: a calcium channel blocker (amlodipine) and an ACE inhibitor (benazepril).
Compared with Texas prescribers
Dr. Bolivar wrote 16 prescriptions for Amlodipine Besylate-Benazepril, about 63% as often as the typical Texas prescriber of it (25). Medicare paid $3.72 per fill, versus $18.09 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
Ezetimibe is used along with a low cholesterol/low fat diet and exercise to help lower cholesterol in the blood.
Compared with Texas prescribers
Dr. Bolivar wrote 13 prescriptions for Ezetimibe, about 24% as often as the typical Texas prescriber of it (53). Medicare paid $54.34 per fill, versus $23.89 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 drug is used to treat high blood pressure.
Compared with Texas prescribers
Dr. Bolivar wrote 13 prescriptions for Losartan-Hydrochlorothiazide, about 34% as often as the typical Texas prescriber of it (38). Medicare paid $14.99 per fill, versus $14.03 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
Pantoprazole is used to treat certain stomach and esophagus problems (such as acid reflux).
Compared with Texas prescribers
Dr. Bolivar wrote 12 prescriptions for Pantoprazole Sodium, about 15% as often as the typical Texas prescriber of it (81). Medicare paid $14.59 per fill, versus $11.71 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 certain mental/mood disorders (such as depression, anxiety, panic attacks, and social anxiety disorder).
Compared with Texas prescribers
Dr. Bolivar wrote 12 prescriptions for Venlafaxine Hcl Er, about 39% as often as the typical Texas prescriber of it (31). Medicare paid $9.90 per fill, versus $23.06 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
Allopurinol is used to treat gout and certain types of kidney stones.
Compared with Texas prescribers
Dr. Bolivar wrote 11 prescriptions for Allopurinol, about 23% as often as the typical Texas prescriber of it (47). Medicare paid $16.27 per fill, versus $9.68 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
Hydralazine is used with or without other medications to treat high blood pressure.
Compared with Texas prescribers
Dr. Bolivar wrote 11 prescriptions for Hydralazine Hcl, about 26% as often as the typical Texas prescriber of it (42). Medicare paid $5.92 per fill, versus $12.44 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. Bolivar’s prescriptions
What does Dr. Bolivar prescribe most?
In 2024 Medicare Part D data, Dr. Bolivar's most prescribed medications were Atorvastatin Calcium (117), Levothyroxine Sodium (110) and Rosuvastatin Calcium (109).
How does Dr. Bolivar's prescribing compare with other Texas prescribers?
Of the 33 medications with a state comparison, Dr. Bolivar prescribes 3 about as often than the typical Texas prescriber and 30 less often. Volume reflects practice size as well as prescribing habits.
Does this list show every medication Dr. Bolivar 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 Texas 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.
