Teresa Oser, MA

Teresa Oser

Teresa Oser, MA

To schedule an appointment, please call (760) 924-4333

Accepting new patients.


Member of Mammoth Hospital Medical Staff Since 2022



Monterey Peninsula Unified School District, Monterey, CA

Masters Degree

Humboldt State University – MA in School Psychology

License and Certifications

Licensed Educational Psychologist through the California Board of Behavioral Sciences


National Association of School Psychologists


Teresa Oser, MA is the newest member of Mammoth Hospital's Behavioral Health team, joining in 2022. Teresa came to Mammoth Hospital as a Psychological Associate to earn her hours toward licensure under the guidance and expertise of Dr. Jacob Eide. Teresa holds a master’s degree in School Psychology and is currently in a PhD program for Counseling Psychology.

Before coming to Mammoth Hospital, she worked as a school psychologist for 15 years with the last 11 of those years in Inyo and Mono Counties. Teresa has extensive experience working with children and families and is excited to expand her knowledge working in the primary care setting.

She was drawn to the Eastern Sierra because her love of the outdoors. Teresa currently lives in Bishop with her husband and their many pets. In her spare time, she enjoys hiking, kayaking, and skiing.

Office Information

Contact Information

  • Office Phone: (760) 924-4333

Office Hours

Appointments only please.


Mammoth Hospital Behavioral Health

85 Sierra Park Rd.
Mammoth Lakes,California 93546

Main: (760) 924-4333