John Adrian Lunn MD

Assistant Professor, Medicine, UCLA School of Medicine

200 Medical 420 120 530 Plz# 365Los Angeles, CA 90095
Phone+1 310-825-6301

Dr. Lunn 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. Lunn's full profile Already have an account?

Education & Training

UCLA David Geffen School of Medicine/UCLA Medical CenterFellowship, Gastroenterology, 1997 - 2003
New York Presbyterian Hospital (Columbia Campus)Residency, Internal Medicine, 1994 - 1997
Yale School of MedicineClass of 1994

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 1997 - 2027
CT State Medical License 1997 - 1997

Publications & Presentations

PubMed

17 citations
Endocuff assisted colonoscopy significantly increases sessile serrated adenoma detection in veterans
Michael D. Baek, Christian S. Jackson, John A. Lunn, Christopher Nguyen, Nicole K. Shah
Journal of Gastrointestinal Oncology. 2017-08-01
6 citations
Cronkhite-Canada Syndrome: an unusual finding of gastro-intestinal adenomatous polyps in a syndrome characterized by hamartomatous polyps
Christopher M. Flannery, John A. Lunn
Gastroenterology Report. 2015-08-01
Preliminary safety and efficacy results of laser immunotherapy for the treatment of metastatic breast cancer patients.
Xiaosong Li, Xiaosong Li, Gabriela L L Ferrel, Gabriela L L Ferrel, Maria C C Guerra
Photochemical & photobiological sciences : Official journal of the European Photochemistry Association and the European Society for Photobiology. 2011-03-05