Big Thompson Internal Medicine

We thank you for choosing Banner Health, Big Thompson Internal Medicine to provide your health care needs.  Our general internists serve as primary care physicians to the adult population and are trained in all aspects of adult health care.  Our specialists will work closely with your primary care physician in the diagnosis of your condition and in determining a plan of care.

Meet our Physicians:

• Peter C. Smith, MD
• Joel W. Parliment, MD
• Kevin W. Keefe, D.O.
• Robert J. Tello, MD
• Colleen A. Weissmann, MD

Meet our Nurse Practitioner:

• Marciann Harris, RNC, NP

Office Hours:

Monday - Friday: 7:30 a.m. - 5 p.m.
To make an appointment please call (970) 278-1862.

Saturday and Sunday: CLOSED
If you need to see a provider immediately please use Urgent Care.

Here are some resources that will help make your visit with us a success:

• New Patient Welcome Letter
• Patient Registration Form
• Patient History Form
• Medical Records Release Form 
• Results Release Form
• Tips for scheduling an appointment
• Patient Financial Policy
• Billing information
• HIPAA Privacy Notices  
• Learn more about our Urgent Care services