Clinicians affiliated with Kaiser Foundation Hospital - San Marcos

Acute Care Hospitals · Voluntary non-profit - Private · 360 Rush Dr, San Marcos, CA 92078 · San Diego-Chula Vista-Carlsbad, CA · CCN 050855

Affiliation snapshotNovember 2, 2026CMS Doctors and Clinicians Facility Affiliation file, current snapshot (no end-of-2024 archive), applied to 2024
Activity year2024Medicare Part B claims, Original Medicare fee-for-service

167 clinicians affiliated with Kaiser Foundation Hospital - San Marcos are in the 2024 Medicare Part B data (230 listed in the affiliation file).

Each clinician's exact figures are in their Physician Report, from their page. View sample report · Already purchased? Open your report (earlier Local report and passes)

Affiliated clinicians by specialty, 2024

All specialties · Internal Medicine (32) · Diagnostic Radiology (29) · Emergency Medicine (28) · Interventional Radiology (19) · Hospitalist (15) · Family Practice (9) · Cardiology (6) · Nephrology (5) · Pathology (5) · Vascular Surgery (4) · Pulmonary Disease (3) · Urology (3) · General Surgery (2) · Nurse Practitioner (2) · Podiatry (2) · Endocrinology (1) · Hematology-Oncology (1) · Nuclear Medicine (1)

Clinicians affiliated with Kaiser Foundation Hospital - San Marcos, 2024

Alphabetical by last name; 101–167 of 167.

NameSpecialtyCity
Riku Moriguchi, MDEmergency MedicineSan Diego, CA
Karine MoussaHospitalistLa Jolla, CA
Jennifer S Mullins, DOHospitalistColton, CA
William Munday, MDPathologyLos Angeles, CA
Ravichandra R Mutyala, M.DHospitalistEscondido, CA
Cole NelsonEmergency MedicineSan Diego, CA
Michael S Newman, D.O.Internal MedicineSan Diego, CA
Elizabeth Nguyen, MDEmergency MedicineWalnut Creek, CA
Hai T NguyenInternal MedicineHonolulu, HI
Janet E Nichols, M.D.Internal MedicineAlbuquerque, NM
Kenneth S Nitahara, MDUrologySan Diego, CA
Abraham Noorbakhsh, MD, MPHInterventional RadiologySan Diego, CA
Michelle T Novales, D.O.Family PracticeSan Diego, CA
Ifeanyichukwu C Onyeacholem, M.D.Diagnostic RadiologyAustin, TX
Benjamin C Orejudos, MDDiagnostic RadiologyNational City, CA
Pouria Parsa, M.D.General SurgerySan Diego, CA
Ankit M Patel, M.D.Interventional RadiologySan Diego, CA
Bhavesh B Patel, D.O.Internal MedicineSan Diego, CA
Neel Patel, D.O.CardiologySan Diego, CA
Vincent Perez, MDDiagnostic RadiologyToledo, OH
Scott S Perkins, MDInterventional RadiologyDurham, NC
Jason Portillo, M.D.HospitalistHarbor City, CA
Nicole Quenelle, M.D.Internal MedicineLa Jolla, CA
Elena Y Rakhlin, M.D.Vascular SurgerySan Diego, CA
Tryna M Ramos, M.D.Family PracticeVentura, CA
Thomas K Ro, M.D.Internal MedicineSan Diego, CA
Andrew Robbins, MDInterventional RadiologySan Diego, CA
David W Rosenthal, M.D.NephrologyRochester, MN
Peter Sacci, MDEmergency MedicinePhiladelphia, PA
Saema SaidEmergency MedicineRiverside, CA
Samantha G Sales, M.D.Emergency MedicineJackson, MS
Sam Samaan, MDDiagnostic RadiologyHouston, TX
Tracy F Santos, DOFamily PracticeSan Diego, CA
Ariyon Schreiber, MDInternal MedicineLas Vegas, NV
Samir S Shah, M.D.NephrologySan Diego, CA
Joshua D Sherman, MDInterventional RadiologySan Diego, CA
Eileen Shi, M.D.Emergency MedicineSan Diego, CA
Jimmy Shih, M.D.Diagnostic RadiologyLas Vegas, NV
Mona Singh, MDInternal MedicineSan Diego, CA
Tyler SlatteryPodiatrySan Diego, CA
Leonid Slavin, M.D.Internal MedicineSan Diego, CA
Steve Song, MDHospitalistSan Diego, CA
Christopher J Starr, MD/PHDDiagnostic RadiologyDowney, CA
Nathan R Stein, MDInternal MedicineSan Diego, CA
Audrey F Stephan, MDCardiologySan Diego, CA
Lauren Sumida, M.D.PathologySanta Clara, CA
Steve M Sun, M.D.Emergency MedicineSan Jose, CA
Matthew S Tan, MDInterventional RadiologyBaldwin Park, CA
Ashley R TarchioneEmergency MedicinePhoenix, AZ
Randall V Thomsen, MDFamily PracticeLincoln, CA
Tam M Tran, DOFamily PracticePomona, CA
Iwona A Trybus, MDPulmonary DiseaseSan Diego, CA
Jerry Tseng, MDInternal MedicineSan Diego, CA
Jon T Umlauf, MDNuclear MedicineSan Diego, CA
Jose C Vega, M.D.Emergency MedicineSaint Louis, MO
Fernando Velasquez, FNPNurse PractitionerSan Diego, CA
Harrison F Wang, M.D.Diagnostic RadiologySan Diego, CA
Alex Ward, MDDiagnostic RadiologySan Francisco, CA
Nadine E Wilson, M.D.HospitalistSan Diego, CA
David B Winn, M.D.HospitalistSan Marcos, CA
Elizabeth Wojtowicz, NPNurse PractitionerBellflower, CA
Christina Wu, MDInternal MedicineSan Diego, CA
Yusuke Yagi, MDDiagnostic RadiologySan Francisco, CA
Jonathan G Yee, MDHospitalistSan Diego, CA
Daniel J Yoon, M.D.Diagnostic RadiologyColumbus, OH
Carl Youngs, MDEmergency MedicineSan Diego, CA
Jong H Yun, MDDiagnostic RadiologyBoston, MA

Affiliation comes from the CMS Doctors and Clinicians Facility Affiliation file, hospital rows only; name, address and type from the CMS Hospital General Information file. CMS does not publish an end-of-year archive of the affiliation file, so the current snapshot is applied to the latest data year. A clinician listed with several hospitals or groups appears on each of their pages. How hospital pages are built