DR. CHRISTINE MARIE OJA MD
Prescription History 1902500671
Family Medicine in Boise, ID
What does Dr. Oja prescribe?
In 2024, Dr. Oja wrote 311 Medicare prescriptions for 19 medications. The most prescribed was Losartan Potassium, with 33 prescriptions.
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. Oja prescribes.
Medications 19 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 Idaho prescribers.
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 Idaho prescribers
Dr. Oja wrote 33 prescriptions for Losartan Potassium, about 31% as often as the typical Idaho prescriber of it (106). Medicare paid $4.11 per fill, versus $8.72 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
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 Idaho prescribers
Dr. Oja wrote 29 prescriptions for Atorvastatin Calcium, about 19% as often as the typical Idaho prescriber of it (155). Medicare paid $2.98 per fill, versus $10.02 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
Lisinopril is used to treat high blood pressure.
Compared with Idaho prescribers
Dr. Oja wrote 23 prescriptions for Lisinopril, about 22% as often as the typical Idaho prescriber of it (105). Medicare paid $4.24 per fill, versus $6.49 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 Idaho prescribers
Dr. Oja wrote 22 prescriptions for Gabapentin, about 27% as often as the typical Idaho prescriber of it (81). Medicare paid $3.91 per fill, versus $17.87 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
Omeprazole is used to treat certain stomach and esophagus problems (such as acid reflux, ulcers).
Compared with Idaho prescribers
Dr. Oja wrote 20 prescriptions for Omeprazole, about 20% as often as the typical Idaho prescriber of it (102). Medicare paid $10.41 per fill, versus $12.14 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
Alendronate is used to prevent and treat certain types of bone loss (osteoporosis) in adults.
Compared with Idaho prescribers
Dr. Oja wrote 18 prescriptions for Alendronate Sodium, about 42% as often as the typical Idaho prescriber of it (43). Medicare paid $3.07 per fill, versus $8.03 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 medication is used to treat certain mental/mood disorders (such as depression, anxiety).
Compared with Idaho prescribers
Dr. Oja wrote 16 prescriptions for Duloxetine Hcl, about 31% as often as the typical Idaho prescriber of it (51). Medicare paid $6.52 per fill, versus $26.97 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
Spironolactone is used to treat high blood pressure and heart failure.
Compared with Idaho prescribers
Dr. Oja wrote 16 prescriptions for Spironolactone, about 34% as often as the typical Idaho prescriber of it (48). Medicare paid $7.74 per fill, versus $8.78 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 Idaho prescribers
Dr. Oja wrote 14 prescriptions for Pantoprazole Sodium, about 25% as often as the typical Idaho prescriber of it (56). Medicare paid $6.40 per fill, versus $13.59 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
Esomeprazole is used to treat certain stomach and esophagus problems (such as acid reflux, ulcers).
Compared with Idaho prescribers
Dr. Oja wrote 13 prescriptions for Esomeprazole Magnesium, about 68% as often as the typical Idaho prescriber of it (19). Medicare paid $10.91 per fill, versus $44.30 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 Idaho prescribers
Dr. Oja wrote 13 prescriptions for Famotidine, about 31% as often as the typical Idaho prescriber of it (42). Medicare paid $5.51 per fill, versus $13.69 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 alone or with other medications to treat Parkinson's disease.
Compared with Idaho prescribers
Dr. Oja wrote 13 prescriptions for Ropinirole Hcl, about half as often as the typical Idaho prescriber of it (28). Medicare paid $33.91 per fill, versus $17.06 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
This medication is a combination of two antibiotics: sulfamethoxazole and trimethoprim.
Compared with Idaho prescribers
Dr. Oja wrote 13 prescriptions for Sulfamethoxazole-Trimethoprim, about half as often as the typical Idaho prescriber of it (23). Medicare paid $0.33 per fill, versus $6.29 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 used to treat certain mental/mood disorders (such as depression, anxiety).
Compared with Idaho prescribers
Dr. Oja wrote 12 prescriptions for Escitalopram Oxalate, about 26% as often as the typical Idaho prescriber of it (47). Medicare paid $1.57 per fill, versus $10.75 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 Idaho prescribers
Dr. Oja wrote 12 prescriptions for Levothyroxine Sodium, about 8% as often as the typical Idaho prescriber of it (143). Medicare paid $9.90 per fill, versus $10.23 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
Amlodipine is used with or without other medications to treat high blood pressure.
Compared with Idaho prescribers
Dr. Oja wrote 11 prescriptions for Amlodipine Besylate, about 10% as often as the typical Idaho prescriber of it (107). Medicare paid $3.19 per fill, versus $5.89 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
Metformin is used with a proper diet and exercise program and possibly with other medications to control high blood sugar.
Compared with Idaho prescribers
Dr. Oja wrote 11 prescriptions for Metformin Hcl, about 17% as often as the typical Idaho prescriber of it (66). Medicare paid $4.39 per fill, versus $7.43 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 Idaho prescribers
Dr. Oja wrote 11 prescriptions for Simvastatin, about 20% as often as the typical Idaho prescriber of it (56). Medicare paid $4.47 per fill, versus $7.58 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 and prevent ulcers in the intestines.
Compared with Idaho prescribers
Dr. Oja wrote 11 prescriptions for Sucralfate, about half as often as the typical Idaho prescriber of it (23). Medicare paid $16.04 per fill, versus $46.73 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. Oja’s prescriptions
What does Dr. Oja prescribe most?
In 2024 Medicare Part D data, Dr. Oja's most prescribed medications were Losartan Potassium (33), Atorvastatin Calcium (29) and Lisinopril (23).
How does Dr. Oja's prescribing compare with other Idaho prescribers?
Of the 19 medications with a state comparison, Dr. Oja prescribes 19 less often than the typical Idaho prescriber. Volume reflects practice size as well as prescribing habits.
Does this list show every medication Dr. Oja 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 Idaho 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.
