Primary Care at Upper Echelon Medical (Fullerton, California)
1440 N Harbor Blvd, Suite 110, Fullerton, CA 92835
Dr. Kevin Oei is a healthcare provider specializing in Family Medicine. Kevin Oei, DO provides primary care at Upper Echelon Medical (Fullerton, California) in Fullerton, CA. Patients can reach the practice through text messaging, email, videochat, cell phone calls. Both telehealth and in-person visits are offered. Upper Echelon Medical (Fullerton, California) is currently accepting new patients with memberships from $50 per month.
Yes — Kevin Oei at Upper Echelon Medical (Fullerton, California) in Fullerton, CA is currently accepting new direct primary care patients.
Membership at Upper Echelon Medical (Fullerton, California) starts at $50 per month, which covers unlimited primary care visits with Kevin Oei — no per-visit copays or insurance billing for covered services.
Yes, Kevin Oei offers telehealth (virtual) visits in addition to in-person appointments.
Kevin Oei practices Primary Care at Upper Echelon Medical (Fullerton, California), delivered through the direct primary care membership model.
This provider's National Provider Identifier (NPI 1063816809) is verified against the U.S. federal NPPES registry maintained by the Centers for Medicare & Medicaid Services (CMS) before being listed.
Our direct primary care guidance draws on the American Academy of Family Physicians (AAFP) and DPC Frontier.
Reviewed by the Connectedly Health Editorial Team · Last updated May 9, 2026. Editorial standards & how we verify providers.