Medical Staff
The following medical staff provide services at West Holt Medical Services. For a complete list of all credentialed medical personnel click here.
Primary Care - West Holt Medical Clinic
Amy Rentschler, PA-C
Physician Assistant
April Dexter, APRN
Family Nurse Practitioner
Jon Gotschall, PA-C
Physician Assistant
Jeffrey Bruning, M.D.
Family Medicine Physician / Chief Medical Officer
Emergency & Trauma Services
Amy Rentschler, PA-C
Physician Assistant
Loretta Daniels, PA-C
Physician Assistant
April Dexter, APRN
Family Nurse Practitioner
Jeanne Laible, PA-C
Physician Assistant
Amelia McCumber, PA-C
Physician Assistant
John Tubbs, MD
Chief of Medical Staff / Trauma Medical Director
Steven Carlsen, PA-C
Physician Assistant
Jon Gotschall, PA-C
Physician Assistant
General Surgery
Nicholas Boyle, MD
General Surgeon
Endoscopy
Nicholas Boyle, MD
General Surgeon
John Tubbs, MD
Chief of Medical Staff / Trauma Medical Director
Diabetes Education
Michelle Bertek-Zwiener, DNP, APRN
Diabetes Educator
Podiatry
Zackary Gangwer, DPM
Podiatrist / Foot and Ankle Surgeon
Behavioral Health
Jackie Meyer, LIMHP
Licensed Independent Mental Health Practitioner
Terry Dunlop, DBH, LIMHP
Doctor of Behavioral Health
Primary Care - Greater Sandhills Family Healthcare
Jeanne Laible, PA-C
Physician Assistant
Amelia McCumber, PA-C
Physician Assistant
John Tubbs, MD
Chief of Medical Staff / Trauma Medical Director
Erica Tubbs, PA-C
Physician Assistant
Ear, Nose, Throat & Nerve Pain
Demetrio Aguila III, MD, FACS
Otolaryngologist / Plastic and Reconstructive Surgeon
Cardiology
Douglas Welsh, MD
Cardiologist
Eric Rome, MD
Cardiologist
Lisa Mlnarik, APRN
Nurse Practitioner
Maryanne Hartzel, MD
Cardiologist
NUCCA Chiropractic
Marcy Ziska, DC
NUCCA Practitioner
Dietician
Kristyn Kamrath, RD, LMNT, LD
Registered Dietitian
Kari Hofer, RD, LMNT
Registered Dietitian
