About Us/Contact Us


Your center for Community , Nutrition, Education and Activities

Our Mission

Our mission is to play a key role for seniors of Tuolumne County by providing essential services  that promote independence, enhance quality of life, and assist the elderly to remain in their homes.

Sierra Senior Providers, Inc. was founded in 1996 as a non-profit, public benefit 501(c)(3) organization. We are located in the rural setting of Sonora, California; the heart of the Mother Lode Gold Country.

Our Commitment

To honor and respect the diversity of each individual we serve. To continually strive to improve the quality of our service and earn the trust given to us by others.

To partner with other providers, vendors and services for the purpose of providing the best response for the needs of the elderly in our community.  To value the work and contributions made by every volunteer, staff member and stakeholder.

Board of Directors 2014-Officers

Jerry Nielsen,  Chair Past President, Blue Mountain Minerals

Sharon Mele, Vice Chair

Paula Johansen, Secretary, Retired Business Owner

Robert C. Hoyt, Treasurer, Hohne, Hoyt & Aguilera CPAs, Inc.


Leon Casas, Jr., Chief Executive Officer  Sierra Senior Providers, Inc.

Robert Edwards Past President, Yosemite Title Co. Past President, Tuolumne County United Way

Don Frazier

Kathrina McRee,  Physician Relations & Market Strategist Sonora Regional Medical Center

 Julie von Savoye, Controller, Cutler Segerstrom Insurance Agency

Doreen Wilbur, Store Manager, Umpqua Bank

Gail M. Witzlsteiner, Director of Development & Public Relations Sonora Regional Medical Center

Management Team

Leon Casas Jr. CEO:    Email: lcasas@sierraseniorproviders.org

Vickie Garrett, Fiscal Office:    Email:  vickieg@sierraseniorproviders.org 

Sue Callison, Nutrition Manager:    Email:  suec@sierraseniorproviders.org  

Sherry Connell, Meals on Wheels & Client Services Coordinator:  Email:  sherryc@sierraseniorproviders.org 

Kelli Kleinhans, Assessment & Client Services Coordinator:    Email:  kellik@sierraseniorproviders.org


Senior Center 540 Greenley Road Sonora, CA 95370 Phone Number: (209) 533-2622 Email: info@sierraseniorproviders.org Fax: (209) 533-2012-Hours of operation: 8:00 am to 4:00 pm Monday – Friday