We're Nulla Tertia.

DPCLytics is a service of Nulla Tertia LLC.  Nulla Tertia is a new company founded by Phil Eskew and Colin McDonnell with the goal of eliminating middle men from primary care and proving the quality of Direct Primary Care.

Our first step towards this goal is DPCLytics—read more about it on the homepage.


Philip Eskew, DO, JD, MBA

Dr. Eskew is the co-founder and CMO of Nulla Tertia. He continues to practice broad scope family medicine, averaging more than 50 clinical hours per week, mostly in the correctional (prison) medicine setting in Wyoming.  He is also the VP of Clinical Counsel at ProactiveMD and the founder of DPC Frontier.

  • BS, Accounting, Chemistry, West Virginia Wesleyan University
  • MBA, University of Kentucky Gatton MBA Program (2006)
  • JD, West Virginia University College of Law (2008)
  • DO, West Virginia School of Osteopathic Medicine (2012)
download (11).jpeg

Colin McDonnell

Colin McDonnell is the co-founder and CTO of Nulla Tertia. Previously, he founded DPC Spot, a company that does website development and online marketing for DPC practices. 

  • BS, Electrical Engineering and Computer Science, MIT (2016)