Casey Michel, MS, RD, CSSD

Casey Piercey

Casey Michel, MS, RD, CSSD

To schedule an appointment, please call (760) 924-4214

Accepting new patients.


Member of Mammoth Hospital Medical Staff Since 2015


Nutritional Services

Sports Nutrition Counseling

Outreach - Public Community Health, Mammoth School District Athletics

Board Certification

Academy for Nutrition and Diabetes Commision of Registered Dietitians

Board Certified Sport Specialized Dietitian



Porterville Developmental Center, Porterville, CA

Masters Degree

Michigan State University, East lansing, MI - Masters in Exercise Physiology

Undergraduate Degree

California State University, Fresno, CA - BS - Food Systems Management and Dietetics

Teaching or Professional Positions

Casey has experience working in the athletic field and medical nutrition therapy. Prior to coming to Mammoth Hospital, she worked for Michigan State athletics as an Sports Dietitian for MSU athletes. Additionally she worked for Spartan Performance training facility assisting in agility, speed, strength training and nutritional performance for athletes and teams in the Lansing, MI community. She continues to assist Spartan Performance athletes with eating disorder and sports performance nutrition. At MSU, Casey also worked for Spartan Performance Nutrition project, assisting in organizing a program to promote sports nutrition for low income school districts within the state of Michigan.

Casey also has been a Dietetic Internship preceptor for 6 years, teaching dietetic interns clinical nutrition, sports nutrition and food system management skills to prepare them to take their RD exam and become RD’s.

Casey has been a public speaker for many events, such as Michigan High School Athletic Association's Women in Sports Leadership Conference and Cross Country Conferences.

Professional Memberships

Collegiate and Professional Sports Dietitians Association (CPSDA)

Professionals in Nutrition for Exercise and Sport (PINES)

Academy of Nutrition and Dietetics

Academy of Nutrition and Dietetics- Sports, Cardiovascular and Wellness Dietetic Practice Group (SCAN)

American College of Sports Medicine


Casey Piercey was born and raised right down the street in Bishop, CA. When she graduated from Bishop High School she moved to Fresno, CA to pursue her bachelors degree. Casey lived in Fresno for 12 years working as a consult dietitian for skilled nursing, immediate care and acute care facilities. In 2011, she started her own company specializing in sports and wellness nutrition consultation. Following her passion for sports training and sports nutrition, in 2013 Casey relocated to East Lansing, Michigan to pursue her Master’s Degree in Exercise physiology specializing in endurance training and VO2max assessment. In addition to working on her degree, she was a Graduate Assistant for Spartan Performance and Spartan Nutrition & Performance Program, working as a sports dietitian and exercise physiologist. After graduation, Casey decided she wanted to move back to the Eastern Sierras, which brought her to Mammoth Hospital.

In Casey’s free time she enjoys working out, running and skiing. Additionally she loves training and participating in marathons and triathlons.

Office Information

Doctor's Contact Information

  • Office Phone: (760) 924-4214

Office Hours

Appointments only please.


Mammoth Hospital Nutritional Services

85 Sierra Park Rd.
Mammoth Lakes,California 93546

Main: (760) 924-4214