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Office
2500 Merced St
San Leandro, CA 94577
Education & Training
University of Illinois College of Medicine at PeoriaFellowship, Pulmonary Disease and Critical Care Medicine, 2019 - 2022- University of Illinois College of Medicine at PeoriaResidency, Pulmonary Disease and Critical Care Medicine, 2022
Scripps Mercy HospitalResidency, Internal Medicine, 2016 - 2019
University of Southern California School of MedicineChief Residency, Family Medicine, 2013 - 2016
College of Osteopathic Medicine of the PacificClass of 2013
San Diego State UniversityB.A., B.S., Philosophy, Molecular Biology, 2003 - 2009
Certifications & Licensure
CA State License 2015 - 2025
IL State License 2019 - 2023- American Board of Internal Medicine Internal Medicine
- American Board of Internal Medicine Critical Care Medicine
- American Board of Internal Medicine Pulmonary Disease
Awards, Honors, & Recognition
- Resident Teacher Award Society of Teachers of Family Medicine, 2016
Publications & Presentations
PubMed
- 1 citationsRecurrent Lower Respiratory Tract Infections Due to Mounier-Kuhn Syndrome.Collin J. O’Bryan, Ronald Espinosa, Subramanyam Chittivelu, Vivian Wrenn
Cureus. 2021-06-04 - Hypogammaglobulinemia following COVID-19 infection in a patient on maintenance rituximab.Collin O'Bryan, Ronald Espinosa, Subramanyam Chittivelu
SAGE Open Medical Case Reports. 2021-01-01 - Multifactorial Pulmonary Hypertension in Systemic Sclerosis.Habiba Hussain, Ronald Espinosa, Subramanyam Chittivelu
Cureus. 2020-07-11
Journal Articles
- Idioventricular Rhythm in a Case of West Nile EncephalomyelitisEspinosa, Schelb, Liu, Journal of Neuroinfectious Diseases, 6/1/2016
Professional Memberships
- Member
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