KATHERINE RACHEL VAN OSS MD
Prescription History 1801020474
Preventive Medicine - Public Health & General Preventive Medicine in Grand Rapids, MI
What does Dr. Van Oss prescribe?
In 2024, Dr. Van Oss wrote 208 Medicare prescriptions for 3 medications. The most prescribed was Alendronate Sodium, with 121 prescriptions for 51 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. Van Oss prescribes.
Medications 3 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 Michigan prescribers.
What it is used for
Alendronate is used to prevent and treat certain types of bone loss (osteoporosis) in adults.
Compared with Michigan prescribers
Dr. Van Oss wrote 121 prescriptions for Alendronate Sodium, about 2.8 times as often as the typical Michigan prescriber of it (43). Medicare paid $11.59 per fill, versus $11.55 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
Risedronate is used to prevent and treat certain types of bone loss (osteoporosis) in adults.
Compared with Michigan prescribers
Dr. Van Oss wrote 67 prescriptions for Risedronate Sodium, about 2.9 times as often as the typical Michigan prescriber of it (23). Medicare paid $127.95 per fill, versus $95.31 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
Teriparatide is used to treat bone loss (osteoporosis) in people who have a high risk of getting fractures.
Compared with Michigan prescribers
Dr. Van Oss wrote 20 prescriptions for Teriparatide, about 84% as often as the typical Michigan prescriber of it (24). Medicare paid $2,072.88 per fill, versus $2,870.46 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. Van Oss’s prescriptions
What does Dr. Van Oss prescribe most?
In 2024 Medicare Part D data, Dr. Van Oss's most prescribed medications were Alendronate Sodium (121), Risedronate Sodium (67) and Teriparatide (20).
How does Dr. Van Oss's prescribing compare with other Michigan prescribers?
Of the 3 medications with a state comparison, Dr. Van Oss prescribes 2 more often than the typical Michigan prescriber and 1 about as often. Volume reflects practice size as well as prescribing habits.
Does this list show every medication Dr. Van Oss 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 Michigan 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.
