Registered Dietitians Complete Dictionary

Search verified registered dietitians across all 50 states. Profiles including locations, phone numbers, emails, NPI numbers, licenses, OIG exclusions, Medicare Opt-out, and much more.

Dietary & Nutritional Service Provider Healthcare Taxonomy Code 133V00000X

The following are the total number of registered dietitians nationwide, in your state, and near your location, as of today.

Enter an NPI number, license number, or provider name in the search field below.

To filter by state, select it from the list below. Additionally, you can narrow the list by city, among other options, from the Filter Panel. Click the vertical ellipses ⋮ in the upper-right to open the filter panel.

Alaska – Alabama – Armed Forces Pacific – Arkansas – American Samoa – Arizona – California – Colorado – Connecticut – District of Columbia – Delaware – Florida – Federated States of Micronesia – Georgia – Guam – Hawaii – Iowa – Idaho – Illinois – Indiana – Kansas – Kentucky – Louisiana – Massachusetts – Maryland – Maine – Marshall Islands – Michigan – Minnesota – Missouri – Northern Mariana Islands – Mississippi – Montana – North Carolina – North Dakota – Nebraska – New Hampshire – New Jersey – New Mexico – Nevada – New York – Ohio – Oklahoma – Oregon – Pennsylvania – Puerto Rico – Palau – Rhode Island – South Carolina – South Dakota – Tennessee – Texas – Utah – Virginia – Virgin Islands – Vermont – Washington – Wisconsin – West Virginia – Wyoming

Download Complete Nationwide and State-specific Registered Dietitians Databases.

Gerontological Nutrition

Healthcare Taxonomy Code 133VN1101X

An individual who is a Specialist in Gerontological Nutrition and provides nutrition care to promote quality of life and optimal health for older adults across the continuum of care, including: acute care, post-acute care, primary care, long-term care, assisted living, home care, palliative care, community-based nutrition, food service, correctional facilities, and government programs.

RDN who works indirectly with gerontological nutrition through roles in management, industry, education, and research.

Metabolic Nutrition

Healthcare Taxonomy Code 133VN1006X

A registered dietitian who achieves specialized competency in metabolic nutrition.

Obesity and Weight Management Nutrition

Healthcare Taxonomy Code 133VN1201X

An individual who is a Board Certified Specialist for Obesity and Weight Management and educates, supports, and advocates for patients and clients to understand and manage their weight and associated risks through the use of nutritional, behavioral health, medical, surgical, pharmacotherapeutic, and exercise and physical activity interventions.

Oncology Nutrition

Healthcare Taxonomy Code 133VN1301X

An individual who is a Board Certified Specialist in Oncology Nutrition and provides direct nutrition care for individuals at risk for or diagnosed with cancer.

RDNs working directly with individuals at risk for, or diagnosed with, any malignancy or pre-malignant condition, in a variety of settings (e.g., hospitals, clinics, cancer centers, hospices, public health), OR indirectly through roles in management, education, industry, and research practice linked specifically to oncology nutrition.

RDN who works indirectly with oncology nutrition through roles in management, education, industry, and research.

Pediatric Critical Care Nutrition

Healthcare Taxonomy Code 133VN1401X

An individual who is a Board Certified Specialist in Pediatric Critical Care Nutrition and applies evidence-based nutrition knowledge in providing medical nutrition therapy for critically ill infants, children, and adolescents.

Additional roles could include coordination, education, quality improvement, or research linked specifically to pediatric critical care nutrition.

Pediatric Nutrition

Healthcare Taxonomy Code 133VN1004X

An individual who is a Board Certified Specialist in Pediatric Nutrition and applies evidence-based nutrition knowledge in providing medical nutrition therapy for pediatric patients.

Specialists work directly with healthy and/or ill children (newborn up to 21 years of age) as well as children with special health care needs in a variety of settings (hospitals, community-based and/or family-centered programs, education programs, home, etc.), OR indirectly through management, care coordination, education, quality improvement, or research practice linked specifically to pediatric nutrition.

Renal Nutrition

Healthcare Taxonomy Code 133VN1005X

An individual who is a Board Certified Specialist in Renal Nutrition and works directly with adult and/or pediatric patients with acute kidney injury, chronic kidney disease (CKD) stages 1-5, or receiving renal replacement therapies (dialysis/transplant) in a variety of settings, OR works indirectly in management, education, or research practice linked specifically to renal nutrition.

The specialist in renal/nephrology nutrition is responsible for nutrition assessment, diagnosis, intervention, monitoring, and evaluation.

Sports Dietetics Nutrition

Healthcare Taxonomy Code 133VN1501X

An individual who is a Board Certified Specialist in Sports Dietetics and applies evidence-based nutrition knowledge in exercise and sports.

RDNs specializing in sports dietetics assess, educate, and counsel athletes and active individuals.

They design, implement, and manage safe and effective nutrition strategies that enhance lifelong health, fitness, and optimal performance.

Frequently Asked Questions