Registered Dietitians in Illinois
Data updated monthly · Last refresh October 2026
2,875 Registered Dietitian providers practice in Illinois, including 90 (3%) offering telehealth. The largest concentration is in Chicago. Profiles include federal Open Payments records of money received from drug and device companies in 2025. Listings are drawn from federal public records and are not endorsements.
2,875providers
90telehealth
Chicagotop city
Registered Dietitian by city in Illinois
Choose a city to see providers there.
Where Registered Dietitians in Illinois practice
From CMS Medicare enrollment records covering 238 of the 2,875 providers listed here (8%). Providers who do not bill Medicare are not included in these figures.
Largest practice groups
| Group (as registered with Medicare) | Registered Dietitians | All clinicians in group | Main city |
| Central Dupage Physician Group | 18 | 1,087 | Wheaton |
| Northwestern Medical Faculty Foundation | 16 | 4,386 | Chicago |
| Endeavor Health Medical Group | 14 | 3,330 | Evanston |
| Advocate Health and Hospitals Corp.oration | 13 | 3,081 | Buffalo Grove |
| Health Loft PLLC | 12 | 13 | Chicago |
Hospitals where they hold privileges
| Hospital | City | Ownership | CMS star rating | Registered Dietitians affiliated |
| Rush University Medical Center | Chicago | Nonprofit | 5 of 5 | 7 |
| Northshore University Healthsystem - Evanston Hospital | Evanston | Nonprofit | 5 of 5 | 5 |
| Loyola University Medical Center | Maywood | Nonprofit | 2 of 5 | 2 |
| Northwestern Memorial Hospital | Chicago | Nonprofit | 5 of 5 | 2 |
Sources: CMS Doctors and Clinicians (August 2026) and Facility Affiliation files (August 2026); hospital ownership type and overall star rating from CMS Hospital General Information (July 2026). A clinician in several groups is counted once, in the largest group they bill through. Ownership type is what the hospital reports to CMS; it does not show private equity or other investor ownership. How we build this directory.
Registered Dietitian providers in Illinois
Listed by city, largest first. Payment figures come from the federal Open Payments program, which requires drug and device companies to report what they pay physicians for consulting, speaking, meals, travel and royalties. A disclosed payment is a financial relationship, not evidence of wrongdoing, and many totals reflect a single meal. Figures cover calendar year 2025.
Dr. Gabriella ValentiniAddison, IL · No drug or device payments recorded (2025) ·
(630) 338-2991 Dr. Janet Beltran, MBA, RDN, LDNAddison, IL · No drug or device payments recorded (2025) ·
(331) 250-0312 Dr. Paula RileyAddison, IL · No drug or device payments recorded (2025) ·
(630) 682-7400 Dr. Paulina Lowkis, RD, LDNAddison, IL · No drug or device payments recorded (2025) ·
(847) 472-2145 Dr. Jessica Pagor, RDNAlgonquin, IL · No drug or device payments recorded (2025) ·
(847) 542-7555 Dr. Katherine Gross, RDNAlgonquin, IL · No drug or device payments recorded (2025) ·
(847) 757-0336 Dr. Rachael CostelloAlgonquin, IL · No drug or device payments recorded (2025) ·
(608) 658-1031 Dr. Brittany ChapanAlsip, IL · No drug or device payments recorded (2025) ·
(708) 751-1011 Dr. Paola Ambrose, LDN RDNAlsip, IL · No drug or device payments recorded (2025) ·
(708) 819-2289 Dr. Brooke Welcher-miner, MS, RDN, LDNAltamont, IL · No drug or device payments recorded (2025) ·
(314) 300-6993 Dr. Bailey Krause, RDNAlton, IL · No drug or device payments recorded (2025) ·
(618) 447-2932 Dr. Naomi Ward, R. D., L. D. N.Alton, IL · No drug or device payments recorded (2025) ·
(618) 463-7742 Dr. Morgan AthertonAnna, IL · No drug or device payments recorded (2025) ·
(618) 833-4471 Dr. Amanda Arnold, LDNArlington Heights, IL · No drug or device payments recorded (2025) ·
(847) 618-7460 Dr. Gail SommerfeldArlington Heights, IL · No drug or device payments recorded (2025) ·
(847) 228-3200 Dr. Janine Reinholtz, RD LDNArlington Heights, IL · No drug or device payments recorded (2025) ·
(847) 345-3107 Dr. Jennifer Scarsi, R.D., C.D.E.Arlington Heights, IL · No drug or device payments recorded (2025) ·
(847) 228-3200 Dr. Julie Laich, RDNArlington Heights, IL · No drug or device payments recorded (2025) ·
(847) 618-1640 Dr. Karen Radek, RDNArlington Heights, IL · No drug or device payments recorded (2025) ·
(847) 253-3600 Dr. Kimberly Hammon, MS RD LDNArlington Heights, IL · No drug or device payments recorded (2025) · Telehealth ·
(847) 618-1640 Dr. Kristin SchrieberArlington Heights, IL · No drug or device payments recorded (2025) ·
(847) 308-9892 Dr. Lindsay LimArlington Heights, IL · No drug or device payments recorded (2025) ·
(773) 571-8077 Dr. Lisa Ennessy, RD, LDNArlington Heights, IL · No drug or device payments recorded (2025) ·
(847) 228-3200 Dr. Michelle Sobieck, MPH, RD, LDNArlington Heights, IL · No drug or device payments recorded (2025) ·
(847) 618-1640 Dr. Michelle Turner, RN, RD, LDN, CDEArlington Heights, IL · No drug or device payments recorded (2025) ·
(847) 618-9292 Dr. Necia Knuchel, R.D.Arlington Heights, IL · No drug or device payments recorded (2025) ·
(847) 392-9191 Dr. Rosemary Weaver, R.D.Arlington Heights, IL · No drug or device payments recorded (2025) ·
(847) 618-1640 Dr. Sherrill Johnson, RDArlington Heights, IL · No drug or device payments recorded (2025) ·
(847) 530-9635 Dr. Theresa Desai, CDEArlington Heights, IL · $65 in drug and device payments (2025) ·
(847) 618-9292 Dr. Andrea Lobacz, RD, LDNArlington Hts, IL · No drug or device payments recorded (2025) ·
(847) 398-0499 Dr. Corinne BuffingtonAurora, IL · No drug or device payments recorded (2025) ·
(847) 868-3435 Dr. Daniel White, RDN, LDNAurora, IL · No drug or device payments recorded (2025) ·
(630) 962-1799 Dr. Diane Swaney-smith, RDAurora, IL · No drug or device payments recorded (2025) ·
(630) 801-2691 Dr. Diviya GoyalAurora, IL · No drug or device payments recorded (2025) ·
(331) 431-1648 Dr. Elizabeth Mowry, RD, LDNAurora, IL · No drug or device payments recorded (2025) ·
(630) 499-2306 Dr. Frances Hung, RDAurora, IL · No drug or device payments recorded (2025) ·
(630) 740-0465 Dr. Jennifer Haddox, RD,LDNAurora, IL · No drug or device payments recorded (2025) ·
(630) 978-4852 Dr. Jennifer Waters, R.D, L.D.NAurora, IL · No drug or device payments recorded (2025) ·
(847) 293-2480 Dr. Jo Lynn Worden, RD, LDNAurora, IL · No drug or device payments recorded (2025) ·
(630) 978-4851 Dr. Katherine Snyder, RD,LDNAurora, IL · No drug or device payments recorded (2025) · Telehealth ·
(630) 859-6700 Dr. Katherine WattsAurora, IL · No drug or device payments recorded (2025) ·
(813) 415-1073 Dr. Kelly Knopf, MS, RDN, LDNAurora, IL · No drug or device payments recorded (2025) ·
(847) 370-5247 Dr. Kim Williams, M.B.A., R.D., L.D.N.Aurora, IL · No drug or device payments recorded (2025) ·
(630) 898-3410 Dr. Kristin Dwyer, RDAurora, IL · No drug or device payments recorded (2025) ·
(630) 801-5899 Dr. Melissa GashAurora, IL · No drug or device payments recorded (2025) ·
(630) 801-2740 Dr. Michelle Cordes, RD LDNAurora, IL · No drug or device payments recorded (2025) ·
(630) 375-2860 Dr. Mollie Mitchell, RDN, LDNAurora, IL · No drug or device payments recorded (2025) ·
(630) 870-7974 Dr. Monica Klemm, MS, RD, LDNAurora, IL · No drug or device payments recorded (2025) ·
(630) 898-3410 Dr. Patricia Antonelli, RD, LDN, CDEAurora, IL · No drug or device payments recorded (2025) ·
(630) 978-2532 Dr. Sandra Meister, MS, RD, LDNAurora, IL · No drug or device payments recorded (2025) ·
(712) 490-4619 Common questions
How many Registered Dietitian providers are in Illinois?There are 2,875 Registered Dietitian providers with active NPI records practicing in Illinois, according to federal NPPES data refreshed monthly.
Do Registered Dietitian providers in Illinois offer telehealth?Yes. 90 of the 2,875 Registered Dietitian providers in Illinois (about 3%) report offering telehealth services in CMS data.
Which cities in Illinois have the most Registered Dietitian providers?Chicago (939), Peoria (66), Naperville (61) have the highest concentration of Registered Dietitian providers in Illinois.
How many Registered Dietitian providers in Illinois received drug or device company payments?1 of 2,875 Registered Dietitian providers in Illinois (0%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.
Where does this data come from?Provider counts and profiles come from the federal NPPES registry and CMS Doctors and Clinicians files. Payment figures come from the CMS Open Payments program for calendar year 2025. The directory refreshes monthly.
Which hospitals do Registered Dietitians in Illinois work at?According to CMS facility affiliation records, the Illinois hospitals where the most Registered Dietitians hold privileges are Rush University Medical Center in Chicago; Northshore University Healthsystem - Evanston Hospital in Evanston; Loyola University Medical Center in Maywood.
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