Dr. De Leon is on Doximity
As a Doximity member you'll join over two million verified healthcare professionals in a private, secure network.
- Gain access to free telehealth tools, such as our “call shielding” and one-way patient texting.
- Connect with colleagues in the same hospital or clinic.
- Read the latest clinical news, personalized to your specialty.
Office
4647 Zion Ave
San Diego, CA 92120Phone+1 619-528-5000
Education & Training
Riverside University Health System/University of California RiversideResidency, Family Medicine, 1989 - 1992
Universidad Central del Caribe School of MedicineClass of 1988
Certifications & Licensure
CA State Medical License 1990 - 2026
CT State Medical License 2023 - 2025
NC State Medical License 2018 - 2025- American Board of Family Medicine Family Medicine
Awards, Honors, & Recognition
- Meaningful Use Stage 1 Certification Centers for Medicare & Medicaid Services, 2011
Publications & Presentations
PubMed
- 16 citationsEffectiveness of nudges as a tool to promote adherence to guidelines in healthcare and their organizational implications: A systematic review.Onyi Nwafor, Rahul Singh, Cassie Collier, Dereck DeLeon, Jim Osborne
Social Science & Medicine. 2021-08-18 - Corrigendum to "Effectiveness of nudges as a tool to promote adherence to guidelines in healthcare and their organizational implications: A systematic review" [Soc. Sc...Onyi Nwafor, Rahul Singh, Cassie Collier, Dereck DeLeon, Jim Osborne
Social Science & Medicine. 2023-01-01
Viewing the full profile is available to verified healthcare professionals only.
Find your profile and take control of your online presence:
