Roger Duncan Johnson Jr. MD

Cataract Related

Instructor, Ophthalmology, UCLA School of Medicine

100 Stein Plz1340Los Angeles, CA 90095
Phone+1 310-825-5000

Dr. Johnson is on Doximity

As a Doximity member, you’ll join more than three million U.S. healthcare professionals—including 85+% of physicians, and 2/3 of all NPs and PAs—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.

See Dr. Johnson's full profile Already have an account?

Education & Training

UCLA David Geffen School of Medicine/UCLA Medical Center/UCLA Stein and Doheny Eye InstitutesResidency, Ophthalmology, 2008 - 2011
OhioHealth/Riverside Methodist HospitalInternship, Internal Medicine, 2007 - 2008
Ohio State University College of MedicineClass of 2007
Kettering Health NetworkResidency, Obstetrics and Gynecology

The following disclaimer is related to board certifications obtained from ABMS®, denoted by the ABMS® logo.

This information is proprietary data maintained in a copyrighted database owned by the American Board of Medical Specialties®. The display and presence of ABMS Data in no way constitutes any affiliation, association with, or endorsement of any advertising, promotion, or sponsorship by ABMS and its affiliates and subsidiaries, the ABMS Member Boards, or ABMS board certified physicians and medical specialists. Copyright 2026 American Board of Medical Specialties®. All rights reserved.

The user is responsible for ensuring that the profile obtained in this directory is the profile of the physician or medical specialist being sought.

A self-designated specialty, subspecialty, or practice area neither implies nor is equivalent to ABMS board certification or the existence of specialized training by or competence of a physician or medical specialist.

Certifications & Licensure

CA State Medical License 2009 - 2027
OH State Medical License 2007 - 2008
American Board of Ophthalmology Ophthalmology

Awards, Honors, & Recognition

CMS Meaningful Use Stage 2 Certification Medflow EHR, Medflow Holdings, LLC, 2012, 2014-2017
CMS Meaningful Use Stage 1 Certification Medflow E HR, Medflow Holdings, LLC, 2012, 2014-2017
CMS Meaningful Use Stage 1 Certification Medflow EHR, Medflow, Inc., 2012-2013

Publications & Presentations

PubMed

25 citations
Microbiologic and Histopathologic Assessment of Corneal Biopsies in the Evaluation of Microbial Keratitis
Jared R Younger, R. Duncan Johnson, Gary N. Holland, Jon P Page, Richard L. Nepomuceno
American Journal of Ophthalmology. 2012-09-01
48 citations
Terahertz sensing in corneal tissues
David B. Bennett, Zachary Taylor, Priyamvada Tewari, Rahul Singh, Martin O. Culjat
Journal of Biomedical Optics. 2011-05-01
48 citations
Corneal biomechanical properties in normal, forme fruste keratoconus, and manifest keratoconus after statistical correction for potentially confounding factors.
R. Duncan Johnson, Myhanh T Nguyen, N. Lee, D. Rex Hamilton
Cornea. 2011-05-01