Administrative Staff
The Team Behind the Mission
Supporting excellence in emergency medicine through operations, coordination, and innovation.
The Department of Emergency Medicine thrives on teamwork, and our administrative staff are the driving force that keeps everything running smoothly. From financial operations and credentialing to program coordination, software development, and research management, each team member plays a vital role in supporting our mission of clinical excellence, education, and innovation.
Office Contact & Mailing Information
General Inquiries & Mailing Address
Roxann Marroquin – Sr. Executive Assistant
6431 Fannin Street, 2nd Floor (JJL 270-1)
Houston, TX 77030
713-500-7878
Administrative Contact List
| Area / Function | Name | Title / Role | Phone |
|---|---|---|---|
| Administration / Management | Chelsea Pentecost | Director, Management Operations II | 713-500-7858 |
| Barbara Freeman | Administrative Manager | 713-500-6561 | |
| Jose Garza | Administrative Manager | 713-500-5424 | |
| Roxann Marroquin | Sr. Executive Assistant | 713-500-7863 | |
| Debbie Rivas | Sr. Administrative Manager | 713-500-7367 | |
| Accounting / Finance | Sharon Campbell | Accountant II | 713-500-5191 |
| Program Management / Software | Byron “Tony” Harrison Sr. | Program Manager | 713-500-5235 |
| Febin Kuriakose | Software Developer IV | 713-500-7432 | |
| Greg Metoyer Jr. | Web Developer & UME Program Coordinator II | 713-500-7855 | |
| Coordination & Intelligence | Annette Roberts | Sr. Business Intelligence Analyst | 713-500-7871 |
| Felicia Parker | Administrative Coordinator | 713-500-7393 | |
| Billing / Revenue Cycle | Padmavathi Annaldasula | Sr. Compliance Coding Analyst | 713-500-6035 |
| Angelina Holliday | Manager, Revenue Cycle | 713-500-7396 | |
| Credentialing | Regina Blackshear | Sr. Credentialing Coordinator I | 713-500-7885 |
| Carleton Jackson | Sr. Credentialing Coordinator I | 713-500-7116 | |
| Education / Academic Operations | Novate Creeks | Residency/Fellowship Program Coordinator II | 713-500-7412 |
| Peighton Longsworth | Residency/Fellowship Program Coordinator I | 713-500-7412 | |
| Greg Metoyer Jr. | UME Program Coordinator II | 713-500-7855 | |
| Purchasing / Admin Support | Daisy Alvarez | Administrative Coordinator | 713-500-8475 |
| Hospitalist Admin | Jimeka Pierson | Administrative Manager | 713-500-7872 |
| Research / Grants | Misha Bhatti | Research Coordinator I | 713-500-8473 |
| Rebecca Chapa | Grants & Contract Specialist | 713-500-7880 | |
| Misha Granado | Senior Program Manager | 713-500-5446 | |
| Arun Kane | Research Coordinator I | 713-500-7813 | |
| Mark Lopez | Research Coordinator I | 713-500-7880 | |
| Neomi Sepulveda | Research Coordinator I | 713-500-8474 | |
| Christina Soriano | Grants & Contract Specialist | 713-500-5472 | |
| Syeda Uruba | Research Coordinator I |
Need Help Finding the Right Contact?
Whether you’re coordinating a student rotation, submitting a grant, or verifying credentials, our team is here to help.
Use this list to connect directly with the right area, or reach out to the department office for general guidance.