Clinicians affiliated with Mt Rainier Emergency Physicians PLLC

25 clinicians on file with this group · most practice in Seattle-Tacoma-Bellevue, WA · PAC ID 7810980968

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 Mt Rainier Emergency Physicians PLLC are in the 2024 Medicare Part B data, 19 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 (19) · Nurse Practitioner (5)

Specialty links go to the specialty in Seattle-Tacoma-Bellevue, WA.

Clinicians affiliated with Mt Rainier Emergency Physicians PLLC, 2024

Alphabetical by last name; 24.

NameSpecialtyCity
Stephen W Barnhart, MDEmergency MedicineRobbinsdale, MN
Rebecca C Bishop, M.D.Emergency MedicineRiverside, CA
Ashley C Da Pra, M.D.Emergency MedicineDetroit, MI
Samantha EwingNurse PractitionerDallas, TX
Andrew J Fink, M.D.Emergency MedicineTorrance, CA
Aaron FrolichsteinEmergency MedicineCharlotte, NC
Jeffrey T Gerton, MDEmergency MedicineKealakekua, HI
Lisa GriffinNurse PractitionerTucson, AZ
Robin M Hendrix, FNP-CNurse PractitionerAnchorage, AK
Patrick C Holland, MDEmergency MedicineTacoma, WA
Tristan L Knutson, M.D.Emergency MedicineTacoma, WA
Wynn-C KwanEmergency MedicineNew Orleans, LA
Bret Lambert, M.D.Emergency MedicinePuyallup, WA
Matthew D Otto, M.D.Emergency MedicineTacoma, WA
Michelle Pearl, D.O.Emergency MedicineLos Angeles, CA
Stephen J Pieniak, MDEmergency MedicineBremerton, WA
Kateri M Roessler-HendersonEmergency MedicineTorrance, CA
Steven C Salcido, M.D.Emergency MedicineWilliston, ND
Ritu R Sarin, M.D.Emergency MedicineBrookline, MA
Paul A Satterlee, MDEmergency MedicineRobbinsdale, MN
David T Um, D.O.Emergency MedicineTacoma, WA
Jacoby J Vaucher, ARNPNurse PractitionerTacoma, WA
April D Vela, ARNPNurse PractitionerCovington, WA
Tonia Willekes, MDEmergency MedicineBurien, WA

Practice locations

Listed practice locations in Washington.

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