Clinicians Health Care Professional Dates Doctor Brennan Visit Dates: There are no upcoming events at this time. Nurse Practitioner (NP) Updates: There are no upcoming events at this time. Zach – Tread Orthopaedics Visit Dates: There are no upcoming events at this time. Registered Nurse (RN) Updates: There are no upcoming events at this time. Brenda Mair – Foot Care Visit Dates: There are no upcoming events at this time. Registered Practical Nurse (RPN) Updates: There are no upcoming events at this time.