Clinicians affiliated with Iowa Digestive Disease Center PC

24 clinicians on file with this group · most practice in Des Moines-West Des Moines, IA · PAC ID 4183522188

Affiliation snapshotOctober 2, 2026CMS Doctors and Clinicians file, current snapshot (no end-of-2024 archive), applied to 2024
Activity year2024Medicare Part B claims, Original Medicare fee-for-service

24 clinicians affiliated with Iowa Digestive Disease Center PC are in the 2024 Medicare Part B data, 15 of them physicians. Data years with affiliated clinicians: 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024.

Each clinician's exact figures are in their Physician Report, from their page; a specialty's figures in this market are in a Market Comparison. View sample report · Already purchased? Open your report

Affiliated clinicians by specialty, 2024

All specialties · Gastroenterology (9) · Nurse Practitioner (8) · Pathology (4) · Internal Medicine (2) · Physician Assistant (1)

Specialty links go to the specialty in Des Moines-West Des Moines, IA.

Clinicians affiliated with Iowa Digestive Disease Center PC, 2024

Alphabetical by last name; 24.

NameSpecialtyCity
Jared J Abbott, M.D.PathologyUrbandale, IA
Amol Agarwal, MDGastroenterologyClive, IA
Tiffany Beyer, ARNPNurse PractitionerClive, IA
Megan E Brodie, ARNPNurse PractitionerClive, IA
Renee R Ellerbroek, MDPathologyUrbandale, IA
Natalie Gergler, PAPhysician AssistantWest Des Moines, IA
Caitlin B Halverson, M.D.PathologyUrbandale, IA
Melissa M Halverson, DNP, NP-CNurse PractitionerChicago, IL
Morgan M Hemer, ARNPNurse PractitionerClive, IA
Christina L Hendricks, ARNPNurse PractitionerClive, IA
Rajalakshmi V Iyer, MDInternal MedicineClive, IA
Bernard I Leman, MDGastroenterologyClive, IA
Tercio Lopes, MDInternal MedicineClive, IA
Karen K Luken, NPNurse PractitionerClive, IA
Thomas L Martin, DOGastroenterologyClive, IA
Lori L Mathis, ARNPNurse PractitionerClive, IA
Tiffani L Milless, M.D.PathologyDes Moines, IA
Christopher J Mulder, DOGastroenterologyClive, IA
Noelle C Mundt, NPNurse PractitionerDes Moines, IA
Nagendra V Myneni, MDGastroenterologyClive, IA
Michael D Obrien, MDGastroenterologyClive, IA
Stacey S Roberts, MDGastroenterologyClive, IA
Arjun R Sondhi, MDGastroenterologyAnn Arbor, MI
Archana Verma, MDGastroenterologyClive, IA

Practice locations

Listed practice locations in Iowa.

Source: CMS Doctors and Clinicians National Downloadable File, snapshot October 2, 2026.

Membership comes from the CMS Doctors and Clinicians file. CMS does not publish an end-of-year archive of it, so the current snapshot is applied to every data year. A clinician affiliated with several groups or hospitals appears on each of their pages. How group pages are built · Limitations