Clinicians affiliated with North Iowa Mercy Clinics

302 clinicians on file with this group · most practice in Mason City, IA · PAC ID 7810809076

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

263 clinicians affiliated with North Iowa Mercy Clinics are in the 2024 Medicare Part B data, 129 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 (50) · Physician Assistant (41) · Certified Registered Nurse Anesthetist (CRNA) (38) · Family Practice (24) · Cardiology (12) · Anesthesiology (10) · General Surgery (10) · Internal Medicine (10) · Orthopedic Surgery (10) · Otolaryngology (4) · Podiatry (4) · Psychiatry (4) · Clinical Cardiac Electrophysiology (3) · Emergency Medicine (3) · Endocrinology (3) · Interventional Cardiology (3) · Nephrology (3) · Obstetrics & Gynecology (3) · Neurology (2) · Neurosurgery (2) · Pulmonary Disease (2) · Radiation Oncology (2) · Thoracic Surgery (2) · Urology (2) · Advanced Heart Failure and Transplant Cardiology (1) · Allergy/ Immunology (1) · Cardiac Surgery (1) · Critical Care (Intensivists) (1) · Dermatology (1) · Gastroenterology (1) · Hematology (1) · Hospice and Palliative Care (1) · Infectious Disease (1) · Interventional Pain Management (1) · Medical Oncology (1) · Physical Medicine and Rehabilitation (1) · Plastic and Reconstructive Surgery (1) · Psychologist, Clinical (1) · Sleep Medicine (1) · Vascular Surgery (1)

Specialty links go to the specialty in Mason City, IA.

Clinicians affiliated with North Iowa Mercy Clinics, 2024

Alphabetical by last name; 201–263 of 263.

NameSpecialtyCity
Nizar N SalehCardiologyDuluth, MN
Rakshak Sarda, MDCardiologyAmes, IA
Kimberely S Sarik, ARNPNurse PractitionerMason City, IA
Michael J Sarik, D.O.CardiologyMason City, IA
Hailey A SatynaPhysician AssistantMason City, IA
Robert D Saxon, FNPNurse PractitionerKenmare, ND
Michael B Scherb, M.D.Orthopedic SurgeryMason City, IA
Joy Schrader, ARNPNurse PractitionerMason City, IA
Sarabeth Seagreaves, PA-CPhysician AssistantMason City, IA
Brent E Seaton, PHDPsychologist, ClinicalMason City, IA
Wade A Sewell, DOAnesthesiologyMason City, IA
Katie Shannon, DNPNurse PractitionerMason City, IA
Collin F Sharp, MDGeneral SurgeryMontrose, CO
Nicole Sheffield, ARNPNurse PractitionerMason City, IA
Jason T Shinn, M.D.Orthopedic SurgeryGainesville, FL
Fayez A Siddiqui, M.DInterventional CardiologyMason City, IA
Pranav Singh, MDPulmonary DiseaseMason City, IA
Prince SinghNephrologyDuluth, MN
Heidi Smith, ARNPNurse PractitionerMason City, IA
Satish K Sondhi, M.D.GastroenterologyMason City, IA
Beau B Sorenson, PAPhysician AssistantCedar Falls, IA
Matthew T Sowle, PA-CPhysician AssistantNew Hampton, IA
Bryan M Spalding, MDCardiologySan Diego, CA
Michael T Spooner, M.D.Clinical Cardiac ElectrophysiologyMason City, IA
Lexa C Starbeck, ARNPNurse PractitionerClear Lake, IA
Shane Stevens, CRNACertified Registered Nurse Anesthetist (CRNA)Cottonwood, AZ
Brooke Stewart, ARNPNurse PractitionerMason City, IA
Amanda A Stockton, PA-CPhysician AssistantMason City, IA
Marissa Stoeffler, ARNPNurse PractitionerPlymouth, IA
Elizabeth Stone, PAPhysician AssistantKailua Kona, HI
Victoria L Stromer, ARNPNurse PractitionerMason City, IA
Chereen M Stroup, MDFamily PracticeMason City, IA
Douglas T Summerfield, MDInternal MedicineMason City, IA
Krista E Sweers, ARNPNurse PractitionerMason City, IA
Kari L Swisher, ARNPNurse PractitionerMason City, IA
John T Swisher IV, DO, CAQ, FAAFPFamily PracticeMason City, IA
Thoo H Tan, DOObstetrics & GynecologyMason City, IA
Amy Tesar, DOInternal MedicineMason City, IA
Yuvaraj Thangaraj, MDNephrologyMason City, IA
Steven P Thoma, M.D.UrologyMason City, IA
Corey Thompson, M.D.PsychiatryMason City, IA
Laura Thorson, PAPhysician AssistantMason City, IA
Trisha L Tibbitts, ARNPNurse PractitionerWaverly, IA
Donell M Timpe, MDFamily PracticeMason City, IA
Anna C Toomsen, ARNPNurse PractitionerSheffield, IA
Nathanael C Troll, DOEmergency MedicineMyrtle Beach, SC
Stevenson C Tsiao, MDGeneral SurgeryHouston, TX
Tyler Tuttle, CRNACertified Registered Nurse Anesthetist (CRNA)Waverly, IA
Alayna R UnderdahlNurse PractitionerNorthwood, IA
Roberto E Velez-Rosado, MDObstetrics & GynecologyMason City, IA
Rajinder K Verma, M.D.NeurologyMason City, IA
June B Vogelman, ARNPNurse PractitionerMason City, IA
Jonathan Wade, APRN-CRNACertified Registered Nurse Anesthetist (CRNA)North Platte, NE
Kenneth P Walsh, M.D.Vascular SurgeryMason City, IA
Megan WassomPhysician AssistantMason City, IA
Molly E Wenthold, PAPhysician AssistantMason City, IA
Jerrold L White, MDFamily PracticeMason City, IA
Claire Williams, PAPhysician AssistantMason City, IA
Holly A Wiseman, ARNPNurse PractitionerMason City, IA
Alice M Wood, M.D.HematologyMason City, IA
Robert C Wyatt, C.R.N.A.Certified Registered Nurse Anesthetist (CRNA)Pocahontas, AR
Alireza Yarahmadi, MDNeurologyMason City, IA
Amad Zineldine, MDCardiologyPrescott Valley, AZ

Practice locations

Listed practice locations in Iowa, Idaho.

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