Who We Are
See the faces that are rooting for you throughout every step of your healthcare journey.
Dr. Marisse Herrera, D.O.
Family Medicine Physician
Dr. Marisse believes in a person-first approach to medical care, treating every patient as a whole person. She places an emphasis on preventive care and healthy lifestyle changes. When possible, she encourages her patients to implement healthy habits before recommending medication.
Dr. Kevin Oei, D.O.
Family Medicine Physician
Kevin Oei, DO, is a Family Medicine specialist based in Fullerton, CA, with subspecialties in Urgent Care and Complementary and Integrative Medicine. He graduated from Touro University Nevada College of Osteopathic Medicine in 2013 and completed his residency in Family Medicine at OPTI West/PIH Health Hospital Downey in 2016.
Our Physicians
Our physicians have worked in the traditional medical model for almost 10 years before transitioning to Direct Primary Care which has allowed them to restore the doctor-patient partnership and focus on what truly matters: the patient’s health.
Now with Direct Primary Care, we’re able to provide care that:
Puts the doctor–patient relationship first, not insurance requirements or rushed visit quotas
Takes a holistic approach to wellness, addressing physical, mental, social, and lifestyle factors that impact health
Integrates evidence-based conventional and complementary therapies to provide more comprehensive care options
Allows more time and attention during visits, so you feel heard, understood, and supported
Reduces unnecessary healthcare costs while delivering higher-quality, relationship-based care
Our Compassionate Care Team.
Our team drives innovation and reimagines healthcare to be kind, accessible, and convenient.
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At Upper Echelon Medical, we’re redefining what it means to provide high-quality primary care. Our philosophy of providing holistic, integrative care means we treat each of our patients as individuals, not just another list of symptoms on a page.
Upper Echelon Medical
For Employers
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