6425 Lynch Canyon Road
    Mt. Mesa, CA 93240

Voice: (760) 379-8630   
Fax: (760) 379-7658   



Welcome! 

Welcome to the website  for the Sienna Wellness Institute. We offer a variety of medical services for adult patients, and podiatric care for the entire family. 

In this world of corporate medicine and impersonal treatment, we  combine the family doctor of old with state-of-the art medicine, equipment, treatment, and medical training. 

We believe in personal attention, and in treating our patients from head to toe. 

Come in for a visit and experience the difference. We put caring back into patient care. Please call (760) 379-8630 for an appointment.  Walk-ins are always welcome! 

 

 

Before navigating away from our website, 
please take a moment to tour through our other pages:

Our Mission
Our Services
Our Staff
Our Location

 

Guests since August 7, 2007:

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   6425 Lynch Canyon Road,    
Mt. Mesa, CA 93240

Voice: (760) 379-8630   
 Fax: (760) 379-7658

 

Dr. Robert Gross, DO
Dr. Holly Spohn-Gross, DPM
James Gutzman, PA-C, FNP, RN