Registered Dietitians (RDs) are nutrition professionals who have completed specialized education and certification requirements. According to the Academy of Nutrition and Dietetics, there are approximately 110,000 registered dietitian nutritionists in the United States. To earn the RD credential, professionals must complete a bachelor's degree with specific coursework in nutrition science, food service management, and medical nutrition therapy. They must also complete an accredited dietetics program, pass a registration examination, and maintain continuing education requirements throughout their careers.
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Registered Dietitians work in many different settings. Some work in hospitals and medical clinics, helping patients manage conditions like diabetes, heart disease, and kidney disease through nutrition planning. Others work in schools, corporate wellness programs, food service operations, or community health organizations. Many operate private practices where they see clients for individual consultations. The difference between a Registered Dietitian and someone who calls themselves a "nutritionist" is important—only RDs have met nationally standardized credentialing requirements, though regulations vary by state for the term "nutritionist."
The services Registered Dietitians provide include conducting nutritional assessments, developing meal plans, teaching patients about food choices for specific health conditions, and monitoring progress. They may work with pregnant women, children with feeding challenges, athletes seeking performance nutrition, older adults, or anyone with medical conditions affected by diet. Insurance plans often cover dietitian services when referred by a physician for specific medical conditions.
Practical Takeaway: When searching for a dietitian, confirm their credential says "Registered Dietitian" or "Registered Dietitian Nutritionist" with RD or RDN letters. This shows they have met defined educational and examination standards.
The most reliable way to find a Registered Dietitian is through professional directories maintained by credentialing organizations. The Academy of Nutrition and Dietetics maintains a "Find a Nutrition Expert" directory on their website at eatright.org. This searchable database lets you enter your city or zip code and filter results by specialty areas such as sports nutrition, pediatric nutrition, renal nutrition, or diabetes care. The directory includes contact information and often notes which dietitians are accepting new clients.
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Another key resource is the Commission on Dietetic Registration website, which maintains the official registry of credentialed dietitians. You can search by location and verify that someone holds current RD or RDN credentials. This is particularly useful if you want to confirm that a dietitian is actively registered and in good standing. The search function is straightforward—simply enter your state or zip code to see who is registered in your area.
Many state dietetics associations also maintain directories of members. For example, the California Dietetic Association, the New York State Dietetic Association, and similar groups in every state offer searchable lists of local dietitians. These associations often provide additional information about members, including whether they have specialized credentials in specific areas. Searching through a state association can help you find dietitians who are actively involved in professional development and networking.
Insurance company websites represent another directory resource. Most health insurance plans maintain a "provider search" tool on their website where you can filter by profession and location. Searching for "registered dietitian" through your insurance provider's tool shows you which dietitians are in your network, which can reduce out-of-pocket costs. Many insurance plans cover dietitian services for certain medical conditions when the visit is referred by a physician.
Practical Takeaway: Start with eatright.org and your state dietetics association website. These directories are free and maintained by the profession itself, making them reliable sources for finding credentialed professionals in your area.
Your primary care doctor, specialist, or other healthcare provider can refer you to a Registered Dietitian. When you have a condition affected by diet—such as diabetes, hypertension, celiac disease, or gastrointestinal disorders—asking your doctor for a dietitian referral often leads to finding someone who is knowledgeable about your specific situation. Doctors frequently work with particular dietitians or practices and can recommend professionals they trust. A physician referral also increases the likelihood that your insurance will cover the dietitian visit, since coverage often requires medical necessity and a referral.
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To get a referral, mention to your healthcare provider that you are interested in seeing a dietitian. You can say something like, "I would like to work with a registered dietitian to manage my nutrition for my condition. Do you have recommendations?" Many healthcare offices keep a list of local dietitian referrals and may even have them on staff or in nearby clinics. Hospital systems sometimes have dietitians available or can provide referral lists. If your doctor doesn't immediately have a recommendation, ask if they can help you locate one through directories they use.
When a physician refers you, the referral may include specific nutrition-related goals or concerns for the dietitian to address. This targeted approach means the dietitian will have context about your health situation from the start. The referral may also include your insurance information, making it easier for the dietitian's office to verify coverage and determine what portion of costs you may owe. Some referrals include an authorization for a specific number of visits that your insurance will cover.
Hospitals, urgent care centers, and clinical specialists—such as cardiologists, oncologists, or endocrinologists—have particularly strong connections to nutrition professionals because diet plays an important role in managing these conditions. If you receive care at a major medical center, ask whether they have a nutrition services department or can provide referrals to dietitians who specialize in your condition.
Practical Takeaway: Call your doctor's office and ask for a referral to a registered dietitian. Mention your specific health concern so they can recommend someone with relevant experience. This approach often improves insurance coverage and helps you find a dietitian familiar with your needs.
Community health centers often employ Registered Dietitians or have relationships with local dietitian practices. Federally Qualified Health Centers (FQHCs) are required to provide or arrange nutrition services for patients. You can find FQHCs near you by visiting findahealthcenter.hrsa.gov or calling 211—a free helpline that connects people to local health and human services. These centers serve people regardless of income level and often offer services on a sliding fee scale based on ability to pay.
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Public health departments in your county or state frequently have nutrition programs and can connect you with dietitian services. Many public health departments employ WIC (Women, Infants, and Children) nutritionists, though these programs specifically serve pregnant women, new mothers, and young children. However, public health departments often know about other nutrition resources in the community. Contact your local health department by searching "[your county] health department nutrition services" online or through your county government website.
Community hospitals, especially those in underserved areas, typically have nutrition departments. Call the main number of your local hospital and ask to speak with someone in nutrition services or the nutrition department. They can tell you whether services are available and whether you need a referral. Many community hospitals provide nutrition consultations for outpatients, not just people admitted to the hospital.
Universities with nutrition or dietetics programs sometimes offer low-cost nutrition services through student clinics. Supervised students, under the direction of registered dietitian faculty, provide consultations. This can be an affordable option while still receiving guidance from credentialed professionals. Search "[your city] university nutrition clinic" or contact the nutrition department of nearby universities to learn about available services.
Disease-specific organizations, such as the American Diabetes Association or American Heart Association, maintain resources and can direct you to dietitians who specialize in managing those conditions. These organizations sometimes host nutrition education events or maintain referral lists for professionals in your area.
Practical Takeaway: Call your local health department or visit findahealthcenter.hrsa.gov to locate community clinics near you. Many offer dietitian services and charge on a sliding scale based on your income.
Registered Dietitian services may be covered by health insurance in certain situations. Medicare covers dietitian services for people with diabetes, chronic kidney disease, or post-kidney transplant when referred by a physician. Medicare Part B typically covers up to 3 hours of individual nutrition therapy and 2 hours of group therapy per benefit period for these conditions. Many private insurance plans also cover diet
This guide is for general information only and is not medical, financial, legal, or other professional advice. For decisions specific to your situation, consult a qualified professional. See our Editorial Policy.