Not all medical injuries and illnesses require a visit to the hospital emergency room. This is why Glenn Medical Center offers comprehensive primary care with same day appointments at our Family Care Clinic. Our Family Care Clinic is committed to treating patients with the highest quality of care. Our clinic is equipped to evaluate and treat medical illnesses and injuries that need punctual attention with x-ray, EKG, laboratory and pulmonary function testing on site.

We look forward to working with you to optimize your health.

We provide multifaceted disease management including:

  • high Blood Pressure
  • high Cholesterol
  • heart disease
  • diabetes
  • chronic kidney disease
  • hepatitis

Care for acute illnesses such as:

  • flu and colds
  • sore throats
  • earaches
  • abdominal pain and vomiting
  • respiratory and sinus infections
  • allergies
  • cuts
  • sprains and fractures
  • back strains
  • minor burns
  • foreign body removal from eyes, ears,

As well as providing the following medical services:

  • gynecologic medical care
  • physicals and medical exams
  • industrial/occupational health care
  • preventative care

Same day appointments are available Monday – Friday 8:00 a.m. to12:00 p.m. and 1:00pm to 5:00 p.m.
Medi-Cal, Medicare and most private insurances are accepted.

For more information or to make an appointment 

Call Us: (530) 934-1825

Dr. Highman, received his medical degree from University of Illinois. He began practicing in Colusa after he completed his Internship and Residency at University of Illinois and Cleveland Clinic in 1979. Dr. Highman has been in practice at Glenn Medical Center since 2004.

Linda Trimble P.A.

Linda Trimble, PA., completed coursework at Stanford University, then graduated from Foothill College in 1995 as a certified Physician Assistant. She began practicing at Glenn Medical Center in 1999. Prior to becoming a Physician Assistant, Linda was a CNA, LVN and then a head medical nurse at a nursing home for many years.

Jason Mower, P.A., was raised in Portland Oregon, and received his Bachelor’s Degree at CSU Stanislaus. Upon graduation, he received the “Outstanding Student of the Year Award, 2014- 2015,” as well as the “Dean’s Award of Excellence.” He completed his medical training as a Physician Assistant at Salus University in Philadelphia, Pennsylvania, where he was a distinguished student at the top of his class, excelling in standardized patient interactions.

Jason is married to his sweetheart, Lindsay, who was born and raised in Willows, California. Together, they have two beautiful daughters. Outside of medicine, Jason enjoys whitewater rafting, hiking, snowboarding, and sharing outdoor adventures with his family.