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1. Medicare_Data_Pipeline_and_Quality_Framework Medicare_Data_Pipeline_and_Quality_Framework Public

   Validates 9.66M CMS billing records through 22 quality checks - foundation for billing behavior, geographic equity, and anomaly detection analysis

2. Medicare_Billing_Behavior_Analysis Medicare_Billing_Behavior_Analysis Public

   19 of 25 specialties increased markup after the No Surprises Act, with the highest-acuity ED visit code billed at 7× the Medicare-allowed amount

   Jupyter Notebook

3. Medicare_Geographic_Equity_Analysis Medicare_Geographic_Equity_Analysis Public

   Rural physicians earn 19.7% less than urban peers and Medicare's own geographic adjustment (GPCI) redistributes pay toward urban physicians instead of closing the gap

   Jupyter Notebook

4. Medicare_Anomaly_Detection Medicare_Anomaly_Detection Public

   19,842 of 1.17M providers flagged as extreme billing outliers via z-score analysis; a separate coefficient-of-variation check flags high-payment procedures with inconsistent Medicare pricing

   Jupyter Notebook

5. Power_BI_Data_Jobs_Dashboard Power_BI_Data_Jobs_Dashboard Public

   Reveals salary and skill demand patterns across 478,895 job postings - star schema model with DAX and drill-through by job title

6. Excel_Salary_Analysis_Project_2 Excel_Salary_Analysis_Project_2 Public

   Power Query, Power Pivot, and DAX surfaced two surprising findings: Python commands top pay of analyst skills despite Excel being more in demand, and Data Analyst salaries stay flat at $90K.