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About Crystal

Crystal Hayes has been a registered dietitian since 2019. Her patients have told her that they are grateful for her trauma-informed care and whole person approach. She seeks any opportunity to translate science to service, which has led her to do a wide variety of work including pioneering research in Lao PDR, enhancing food service for veterans, and supporting patients in Northern California and rural Oregon communities to improve health and well-being.

Qualifications: Master of Science in Human Nutrition from Oregon Health and Science University, Bachelor of Science in Dietetics from Seattle Pacific University

Areas of Focus: Connecting mind, body and spirit; Practicing gratitude for your body; Food as medicine; Life cycle nutrition; Individualized, realistic and sustainable goals suited to lifestyle.

Counseling Style: Compassionate, Positive, Motivational, Knowledgeable.

Licensed States

California, Oregon

In-Network Carriers

Medicare, Tricare Select, Cigna Anthem BlueCross of California
Tricare Select with valid referral from a licensed MD/DO on the MyCatholicDoctor platform indicating medical necessity for nutrition therapy
Additional information may be needed to determine coverage for Diabetes Management, and requires coordination of care with at least one other MD/DO. Please send an email to [email protected] or submit a Benefits Inquiry for more details
This provider is not accepting new worker’s compensation assignments at this time.

Self-Pay Discounted Rates are available at this time. Service may be eligible for HSA reimbursement when deemed medically necessary by your PCP.

Accepts those who are insured with:
Christian Brothers Ministry Services Plan
Diocese of Saint Petersburg, Florida
Christendom College

Services Offered

  • Medical nutrition therapy, defined as a nutrition-based treatment provided by a registered dietitian nutritionist which includes a nutrition diagnosis as well as therapeutic and counseling services.


Crystal Hayes is able to treat patients ranging in age from neonate to geriatric with nutrition therapy for a wide variety of medical conditions.
*Languages: English