Medical
![Anthony P. Lam, MD MHS](https://opnhc.com/wp-content/uploads/2022/07/headshot.web_.sq_.lam_-1024x1024.jpg)
Anthony P. Lam, MD MHS
Chief Medical Officer
![Anthony Ciarolla, MD](https://opnhc.com/wp-content/uploads/2023/02/ciarolla_headshot-opn-1024x952.jpg)
Anthony Ciarolla, MD
Medical Director, Provider Network
![Luis J. Perez, MD](https://opnhc.com/wp-content/uploads/2023/01/dr-luis-j-perez.jpg)
Luis J. Perez, MD
Medical Director
![Nahal Ghahremani, PharmD, APh, MS](https://opnhc.com/wp-content/uploads/2023/08/headshot.nahal_.sq_.bw_-1024x1024.jpg)
Nahal Ghahremani, PharmD, APh, MS
Manager, Clinical Review Services
![Tina Alidad, PharmD, APh](https://opnhc.com/wp-content/uploads/2023/08/headshot.tina_.sq_.bw_-1024x1024.jpg)
Tina Alidad, PharmD, APh
Manager, Patient Programs
Corporate
![Srin Vishwanath](https://opnhc.com/wp-content/uploads/2022/07/headshot.web_.sq_.vishwanath-1024x1024.jpg)
Srin Vishwanath
Founder and CEO
![Matt Cassell](https://opnhc.com/wp-content/uploads/2019/08/OPN-matt-cassell.jpg)
Matt Cassell
Chief Financial Officer
![Liza Suarez](https://opnhc.com/wp-content/uploads/2022/07/headshot.web_.sq_.suarez-1024x1024.jpg)
Liza Suarez
Vice President, Operations
![Adam Goldston](https://opnhc.com/wp-content/uploads/2019/08/OPN-adam-goldston.jpg)
Adam Goldston
Chief Growth Officer
![Arinjay Madhav](https://opnhc.com/wp-content/uploads/2022/07/headshot.web_.sq_.madhav-1024x1024.jpg)
Arinjay Madhav
Vice President, Strategy & Operations
![Scott Fullmer](https://opnhc.com/wp-content/uploads/2022/07/headshot.web_.sq_.fullmer-1024x1024.jpg)
Scott Fullmer
Senior Vice President, Contracting & Network Development
![Jae Chung](https://opnhc.com/wp-content/uploads/2022/07/headshot.web_.sq_.chung_-1024x1024.jpg)