Medicare Part D Prescribers in Schaumburg, Illinois
5 flagged and high-volume prescribers across 3 medical specialties.
Data: CMS Medicare Part D, 2023 (most current available) · Updated March 2026
5
Providers
$1.5M
Total Drug Cost
0
High Risk
3.9%
Avg Opioid Rate
Top Prescribers by Drug Cost
| Provider | Claims | Drug Cost |
|---|---|---|
| Stephen Rittmann | 9,190 | $1.0M |
| Michael Osten | 9,572 | $530K |
| Elizabeth Mlynarczyk | 62 | $1,207 |
| Mary Shields | N/A | N/A |
| Jennifer Han | N/A | N/A |
Specialties in Schaumburg
Family Practice
2 providers
Nurse Practitioner
2 providers
Obstetrics & Gynecology
1 provider
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Data from CMS Medicare Part D Prescriber Public Use File, 2023. Only providers meeting CMS disclosure thresholds are included. Risk scores are statistical indicators based on prescribing pattern analysis — not allegations of fraud or wrongdoing.