Clinicians affiliated with Em Alliance California Apc

68 clinicians on file with this group · most practice in Riverside-San Bernardino-Ontario, CA · PAC ID 1951749894

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

64 clinicians affiliated with Em Alliance California Apc are in the 2024 Medicare Part B data, 54 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 (53) · Nurse Practitioner (9) · Family Practice (1) · Physician Assistant (1)

Specialty links go to the specialty in Riverside-San Bernardino-Ontario, CA.

Clinicians affiliated with Em Alliance California Apc, 2024

Alphabetical by last name; 64.

NameSpecialtyCity
Charles Addo-Yobo, DOEmergency MedicineCorona, CA
Adam J Aisner, RN, NP-CNurse PractitionerWest Hollywood, CA
Taylor Bashara, MDEmergency MedicineTemecula, CA
Thomas C Baugh, D.O.Emergency MedicineAgana Heights, GU
Barry Brenner, MDEmergency MedicineCleveland, OH
Matthew P Brewer, D.O.Emergency MedicineEmeryville, CA
Elizabeth A Buckalew, D.O.Emergency MedicineTwentynine Palms, CA
Scott A Carter, MDEmergency MedicineArlington, VA
Allan C Churukian, M.D.Emergency MedicineEncinitas, CA
Ryan H Deboard, M.D.Emergency MedicineMurrieta, CA
Lauren Donnelly, D.O.Emergency MedicineEncinitas, CA
Laisner Duclos, NPNurse PractitionerPalmdale, CA
Roberta J Dunn-Dixon, M.D.Emergency MedicineRiverside, CA
Taylor Fernberg, MDEmergency MedicineTemecula, CA
Zeke FosterEmergency MedicineWildomar, CA
Paul Frutos, DOEmergency MedicinePueblo, CO
Steven Groke, MDEmergency MedicineSan Francisco, CA
Brett Hadley, D.O.Emergency MedicineAliso Viejo, CA
Sean O Henderson, M.D.Emergency MedicineLos Angeles, CA
Matthew S Hendrickson, M.D.Emergency MedicineFresno, CA
Roxanne S Hobbs, FNPNurse PractitionerPalmdale, CA
Stephen Homan, D.O.Emergency MedicineWildomar, CA
Brent Jacobsen, D.OEmergency MedicineWildomar, CA
Karrylee M JohnsonNurse PractitionerInglewood, CA
Rajwinder KaurNurse PractitionerRosamond, CA
Zeljka H Kostich, M.DEmergency MedicineWildomar, CA
Edward KuzmackEmergency MedicineColton, CA
Reuben Lakshmanan, MDEmergency MedicineMurrieta, CA
Christopher Leblanc, MDEmergency MedicineWildomar, CA
Caleb LouEmergency MedicineTemecula, CA
Edward M Magee, MD, MPHEmergency MedicineRiverside, CA
Brandon C Manibog, FNP-CNurse PractitionerSanta Clarita, CA
Dylan Mann, MDEmergency MedicineMurrieta, CA
Elizabeth O Marquart, M.D.Emergency MedicineRancho Mirage, CA
Sergio J Marquez, MDEmergency MedicineLoma Linda, CA
Jartu M Mcconnell, R.N.P.Nurse PractitionerCanyon Country, CA
David Miles, D.O.Emergency MedicineLa Mesa, CA
Charles E Otieno, M.D.Emergency MedicinePasadena, CA
Bethanie E Pereira, M.D.Emergency MedicineSanta Ana, CA
Alexander A Pezeshki, MDEmergency MedicineChicago, IL
Abel Ramos, D.O.Emergency MedicineGlendale, CA
Naveen Reddy, M.D.Emergency MedicineLos Angeles, CA
Ryan Rees, MDEmergency MedicineSaint Louis, MO
Daan Ren, M.D.Emergency MedicineStockton, CA
James W Rhee, MDEmergency MedicineLoma Linda, CA
Lovelle RiveraNurse PractitionerSanta Clarita, CA
Spencer C Rushton, DOEmergency MedicineTucson, AZ
Gerardo A Salcedo, M.D.Emergency MedicineMoreno Valley, CA
Lamin T Seisay, PA-CPhysician AssistantDelano, CA
Shon M Sidransky, M.D.Emergency MedicineOxnard, CA
Manpreet K Singh, DOEmergency MedicineBronx, NY
Aaron D Stavinoha, M.D.Emergency MedicineSan Diego, CA
Erick Torres, MDEmergency MedicineLa Jolla, CA
Benjamin Tsai, M.D.Emergency MedicineBrooklyn, NY
Reza Vaezazizi, M.D.Emergency MedicineWildomar, CA
Atish A Vanmali, M.D.Family PracticeBakersfield, CA
Gregory Veazey, M.D.Emergency MedicineTemecula, CA
Jose M Villacorta, MDEmergency MedicineBoardman, OH
Subhash R Viswanathan, M.D.Emergency MedicineJericho, NY
Andrew M Wayment, MDEmergency MedicineLa Jolla, CA
Thesaura J Wheaton, FNP-CNurse PractitionerPalmdale, CA
Ryan Windemuth, M.DEmergency MedicineMoreno Valley, CA
Landon Wood, D.O.Emergency MedicineWarwick, RI
Calvin J Woodard, MDEmergency MedicineTemecula, CA

Practice locations

Listed practice locations in California.

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