Our Staff

Marilyn Hernandez
- Senior Director, Office for Billing Compliance
- Phone 212-305-0572
- Fax 212-342-5173
- mh547@cumc.columbia.edu
Ilka Collier
- Assistant Director, Office for Billing Compliance
- Phone 212-305-1834
- Fax 212-342-5173
- ic217@cumc.columbia.edu
Lorna Harris
- Manager, Office for Billing Compliance
- Phone 212-342-3405
- Fax 212-342-5173
- lh2030@cumc.columbia.edu
Audrey Figueroa
- Manager, Office for Billing Compliance
- Phone 212-342-5174
- Fax 212-342-5174
- af2127@cumc.columbia.edu
Ragini Sheth
- Manager, Office for Billing Compliance
- Phone 212-342-0589
- Fax 212-342-5173
Loyda Reyes
- Special Projects Manager
- Phone 212-342-0588
- Fax 212-342-5173
- lr299@cumc.columbia.edu
Jacqueline Muller
- Administrative Assistant
- Phone 212-305-0570
- Fax 212-342-5173
- jz7@cumc.columbia.edu

Office of Billing Compliance