Our Staff

Trisha Smith, FNP

Dr. Marler has been in healthcare for nearly 20 years.  He worked as a CNA at the Hunstman Cancer Institute while attending Bringham Young University, where he graduated with a BS in Biology and minored in Chemistry.  During his time at BYU he was awarded a Leadership Scholarship as well as a nominee for the Man Of The Year Award.  He went on to earn is Doctorate of Osteopathic Medicine in 2011.  Dr. Marler has held a plethora of leadership roles during the course of his career including Chief Resident of Family Medicine and Summa Western Reserve Hospital.  He was also an Associate Director for CHARM (a non-profit organization), in BYU Student Government and President of his society.  He has even dabbled in education as an Anatomy and Physiology Instructor.  Dr. Marler is fluent in Spanish and enjoys outdoor activities.  He especially loves spending time with his wife, Anngel, and their 5 children.  

Daniel Sewell, MD

Chris grew up in Woodland, CA and is a graduate of Esparto High School.  He spent 6 years in the US Military as a Fleet Marine Force (FMF) Navy Corpsman (Medic) attached to a Marine Corps unit and deployed overseas twice.  He graduated with Honors from the University of Washington School of Medicine’s Physician Assistant Program in 2014 where he also received his Bachelor’s degree in Clinical Health Services.  Chris is an avid baseball fan (Go Giants!) and lives in Lincoln with his wife, son, dog and goats. 

Joshua Cavaness, PA-C

Jason began his medical career as a Medical Laboratory Technician for the United States Army. He went on to study hospital administration at The George Washington University in Washington, D.C. where he graduated Cum Laude in 2007. Mr. Berryhill earned a second Bachelor Degree and his Masters Degree in Physician Assistant Studies at the University of Nebraska Medical Center at Omaha in 2011. A California native, Jason spends his off-days fishing, camping, hiking, golfing, snowboarding during the winter and wakeboarding all summer long. He lives in Auburn with his son and their dog, two cats, a duck, a python, and a flock of chickens.

Gordon Marler, DO

Trisha Smith is a board certified Family Nurse Practitioner and has been with Vista Complete Care since January 2015. She completed her Bachelor of Science in Nursing degree from Seattle University and then earned her Masters of Science in Nursing at Florida Atlantic University. She holds a national certification with the American Academy of Nurse Practitioners. Outside of work Trish enjoys traveling, hiking, backpacking, camping and photography.    

Joshua grew up in the Bay Area and studied Biology at Sonoma State University. He then went and started his career as a laboratory researcher at a Bio-medical company in the bay area.  After realizing that he would rather care for patients, he went back to school and graduated from Nova Southeastern University in Fort Lauderdale, Florida with a Masters Degree in Medical Science (Physician Assistant Studies).  Being from Fremont, Ca which has a high deaf population, his second language is American Sign Language. He enjoys being active and being outside, hiking, biking, kayaking etc.  Joshua also holds a management role at Vista Complete Care and leads our physician and clinician team. 

Cheryl George, FNP

Cheryl started her medical career as a registered nurse and worked for over 30 years in a variety of positions and locations. She went on to become a certified Family Nurse Practitioner, graduating with honors, from University California State,Fresno. She enjoys providing high quality, compassionate healthcare and would be honored to assist with your healthcare needs.

Dr. Daniel Sewell started Vista Complete Care in Auburn in 2010.  He grew up in Loomis and graduated from Del Oro High School. He did his Family Practice Residency in Arizona where he was Outstanding First Year Resident and later Chief Resident at Scottsdale Healthcare. He served as Medical Director of Life Care Rehabilitation Center in Phoenix and Medical Director of Sierra  Doctors Medical Group in Auburn. Dr. Sewell is Board Certified in Family Practice, and has a special interest in Sports Medicine. He is also fluent in Spanish.  He lives in Greenwood with his wife and youngest son.  Their three other sons have graduated and are pursuing their interests.  Dr. Sewell enjoys running, biking, fishing, hunting and diving in his free time.

Chris Williams, PA-C

Jason Berryhill, PA-C

Advance Practice Clinician Manager