Clinicians affiliated with Montgomery County Memorial Hospital

43 clinicians on file with this group · most practice in Iowa outside metro areas · PAC ID 9032015805

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

33 clinicians affiliated with Montgomery County Memorial Hospital are in the 2024 Medicare Part B data, 22 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 · Nurse Practitioner (8) · Family Practice (7) · Orthopedic Surgery (3) · Certified Registered Nurse Anesthetist (CRNA) (2) · Emergency Medicine (2) · General Surgery (2) · Hand Surgery (1) · Internal Medicine (1) · Interventional Radiology (1) · Medical Oncology (1) · Nephrology (1) · Otolaryngology (1) · Physician Assistant (1) · Psychiatry (1) · Pulmonary Disease (1)

Specialty links go to the specialty in Iowa outside metro areas.

Clinicians affiliated with Montgomery County Memorial Hospital, 2024

Alphabetical by last name; 33.

NameSpecialtyCity
Thomas M Baer, M.D.Family PracticeMalvern, IA
Rolando D Breier, MDMedical OncologyJefferson City, MO
William Butz, M.D.Family PracticeRed Oak, IA
David J Clark, C.R.N.A.Certified Registered Nurse Anesthetist (CRNA)Brownsville, TX
Brian E Couse, MDFamily PracticeRed Oak, IA
Daniela M Donoso Pena, MDInternal MedicineRed Oak, IA
Gregory I Gordon, M.D.Interventional RadiologyOmaha, NE
Eduard Grass Garcia, MDGeneral SurgeryRed Oak, IA
Warren C Hayes, M.D.Family PracticeRed Oak, IA
Scott D Hoffman, D.O.Family PracticeIndianola, IA
Abby Johnson, FNP-CNurse PractitionerCanyon, TX
Yulia Johnson, D.O.Family PracticeIndianola, IA
Steven G Lapke, M.D.Family PracticeColumbus, NE
Jason T Lihs, CRNACertified Registered Nurse Anesthetist (CRNA)Clarinda, IA
Christopher (Chris) P Lindgren, M.D.Emergency MedicineOmaha, NE
Tu Anh Luong, MDEmergency MedicineKansas City, MO
Emily L Maass, APRNNurse PractitionerRed Oak, IA
John A Mccarthy, M.D.Hand SurgeryOmaha, NE
Sumit Mukherjee, M.D.Pulmonary DiseaseCouncil Bluffs, IA
Christopher Olsen, ARNPNurse PractitionerAtlantic, IA
David M Owen, A.R.N.P.Nurse PractitionerHamburg, IA
Jeremy P Pepin, M.D.NephrologyCouncil Bluffs, IA
Lauren P Riley, NPNurse PractitionerRed Oak, IA
Ara J Robinson, D.O.PsychiatryUrbandale, IA
Thomas Z Schmadeke, PAPhysician AssistantRed Oak, IA
Shane A Schutt, MDOrthopedic SurgeryElkhorn, NE
Todd D Sekundiak, MDOrthopedic SurgeryElkhorn, NE
Joan K Smith, ARNPNurse PractitionerRed Oak, IA
Robert M Taylor, MDGeneral SurgeryBellevue, NE
Kimberly A Turman, MDOrthopedic SurgeryElkhorn, NE
Crystal Vinas, AGPNPNurse PractitionerOmaha, NE
Stacy J WattsNurse PractitionerRed Oak, IA
Tracey G Wellendorf, MDOtolaryngologyCarroll, 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