Registered Dietitian in Mason City, Iowa
Data updated monthly · Last refresh September 2026
14 Registered Dietitian providers practice in Mason City. Listings are drawn from federal public records and are not endorsements.
Registered Dietitian providers in Mason City
Listed alphabetically. 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. Alicia Helm, RDN, LDMason City, IA · No drug or device payments recorded (2025) ·
(641) 428-6020 Dr. Alyssa Rider, MS, RD, LDMason City, IA · No drug or device payments recorded (2025) ·
(641) 428-2320 Dr. Jenna Whittle, RD, LDMason City, IA · No drug or device payments recorded (2025) ·
(515) 721-7270 Dr. Jennifer Arndt, MS, RDN, LDMason City, IA · No drug or device payments recorded (2025) ·
(641) 428-6020 Dr. Jessica Pavlinec, RD, LDMason City, IA · No drug or device payments recorded (2025) ·
(641) 424-9741 Dr. Joan Maertens, RD,LDMason City, IA · No drug or device payments recorded (2025) ·
(641) 422-6443 Dr. Julie Walker, R.D. L.D.Mason City, IA · No drug or device payments recorded (2025) ·
(641) 422-5244 Dr. Kathleen Koch, RD, LDMason City, IA · No drug or device payments recorded (2025) ·
(641) 422-7000 Dr. Keith Hargis, RD,LDMason City, IA · No drug or device payments recorded (2025) ·
(641) 428-7799 Dr. Kelsi Bauermeister, RD, LDMason City, IA · No drug or device payments recorded (2025) ·
(614) 428-1951 Dr. Megan Noonan-conlon, RD, LDMason City, IA · No drug or device payments recorded (2025) ·
(641) 424-2605 Dr. Sara O'tool, R.D., L.D.Mason City, IA · No drug or device payments recorded (2025) ·
(641) 424-2605 Dr. Stephanie Norris, RD, LDMason City, IA · No drug or device payments recorded (2025) ·
(641) 424-9741 Dr. Sugianawaty Mulia, RD, LDMason City, IA · No drug or device payments recorded (2025) ·
(641) 422-7000 Common questions
How many Registered Dietitian providers are in Mason City, Iowa?There are 14 Registered Dietitian providers with active NPI records practicing in Mason City, according to federal NPPES data refreshed monthly.
Where does this data come from?Provider records 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.
All specialties in Mason City Registered Dietitian across Iowa
