Clinicians affiliated with Central Oregon Emergency Physicians LLC

29 clinicians on file with this group · most practice in Bend, OR · PAC ID 6406926211

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

27 clinicians affiliated with Central Oregon Emergency Physicians LLC are in the 2024 Medicare Part B data, 26 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 · Emergency Medicine (25) · Critical Care (Intensivists) (1) · Nurse Practitioner (1)

Specialty links go to the specialty in Bend, OR.

Clinicians affiliated with Central Oregon Emergency Physicians LLC, 2024

Alphabetical by last name; 27.

NameSpecialtyCity
Nathan Ansbaugh, MD, MPHEmergency MedicineBend, OR
Patrick Cassiday, MD, PHDEmergency MedicineSacramento, CA
Stewart DandorfEmergency MedicineBend, OR
Susanne D Demeester, MDEmergency MedicineAnn Arbor, MI
Brent K Gordon, M.D.Emergency MedicineSacramento, CA
Christopher L Graham, M.D.Emergency MedicineBend, OR
Kenneth A Hahn, MDEmergency MedicineBend, OR
Kevin L Jones, M.D.Emergency MedicineRedmond, OR
Nicole C Kelly, MDEmergency MedicineVancouver, WA
Jessica M Mathieson, DOEmergency MedicineDenver, CO
Frances M Mccabe, M.D.Emergency MedicineBend, OR
Benjamin C Murphy, M.D.Emergency MedicineDenver, CO
Emily B Osborn, MDEmergency MedicineFalls Church, VA
Clifford E O'Sullivan, APRNNurse PractitionerNashville, TN
Cornelius Peeples, MDEmergency MedicineBend, OR
Bruno A Perthus, MDEmergency MedicineAlbuquerque, NM
Ryan J Petersen, M.D.Emergency MedicineRoseburg, OR
Katie B Richards, MDEmergency MedicineBend, OR
David RosenbergEmergency MedicineBend, OR
Gillian G Salton, MDEmergency MedicineBend, OR
Michael J Santiago, D.O.Emergency MedicineRochester, NY
Katherine M Shea, M.D.Emergency MedicineStanford, CA
Cory A Siebe, M.D.Emergency MedicineBend, OR
Brett D Singer, MDEmergency MedicineBend, OR
Kelly A Smith, MDCritical Care (Intensivists)Bend, OR
Caleb D Sunde, MDEmergency MedicineFresno, CA
Maria Tamborski, M.DEmergency MedicineCoos Bay, OR

Practice locations

Listed practice locations in Oregon.

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