Upper Echelon Medical
1440 N Harbor Blvd, Suite 110, Fullerton, CA, 92835
What we can verify
Each claim below is backed by a source we checked. Claims we couldn’t evidence are simply absent, which does not mean the clinic doesn’t offer them.
Semaglutide
confidence 0.90“This could include medication such as semaglutide or Ozempic to help control appetite and facilitate weight loss.”
Clinic website — www.upperechelonmedical.com/services/weight-loss • checked 2026-09-17
GLP-1 care
confidence 0.90“This could include medication such as semaglutide or Ozempic to help control appetite and facilitate weight loss.”
Clinic website — www.upperechelonmedical.com/services/weight-loss • checked 2026-09-17
Weight management
confidence 0.90“Medical Weight Loss in Fullerton, CA”
Clinic website — www.upperechelonmedical.com/services/weight-loss • checked 2026-09-17
Accepting new patients
confidence 0.90“Clinician panel listed as open to new patients.”
DPC Frontier — mapper.dpcfrontier.com/practice/aaudmxqmbwst • checked 2026-09-17
Primary care
confidence 0.90“general primary care is personal, accessible, and affordable.”
Clinic website — www.upperechelonmedical.com • checked 2026-09-17
Direct Primary Care
confidence 0.95“Listed as a pure direct primary care practice.”
DPC Frontier — mapper.dpcfrontier.com/practice/aaudmxqmbwst • checked 2026-09-17
In-house dispensing
confidence 0.95“Listed as offering in-house dispensing.”
DPC Frontier — mapper.dpcfrontier.com/practice/aaudmxqmbwst • checked 2026-09-17
Clinicians
| Name | Specialty | Panel | NPI |
|---|---|---|---|
| Kevin Oei, DO | Family Medicine | full | 1063816809NPI record verified |
| Marisse Herrera, DO | Family Medicine | open | 1134564198NPI record verified |
An NPI is a registry identifier. Per NPPES, holding one does not establish that a provider is licensed or credentialed. Verify licensure with the relevant state medical or nursing board.
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Listing checked September 17, 2026. How we verify listings
GLP-1 Care Map lists providers and patient-reported information. It is not medical advice and does not recommend any provider or treatment. We do not verify licensure, and services and prices change: confirm details with the provider before you book.