Mari Ann Keithahn MD

Retinal Disease

Physician

105 N Keene St., Ste. 102Columbia, MO 65201
Phone+1 573-777-8738
Fax+1 573-777-8739

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

Education & Training

University of California Davis HealthResidency, Ophthalmology, 1994 - 1996
University of MinnesotaResidency, Ophthalmology, 1991 - 1994
Hennepin HealthcareInternship, Transitional Year, 1990 - 1991
Duke University School of MedicineClass of 1990

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 1994 - Present
MO State Medical License 1996 - 2027
MN State Medical License 1991 - 1992
American Board of Ophthalmology Ophthalmology

Awards, Honors, & Recognition

CMS Meaningful Use Stage 1 Certification IntelleChart, MDIntelleSys, A Nextech Company, 2014, 2016-2017
CMS Meaningful Use Stage 2 Certification IntelleChart, MDIntelleSys, A Nextech Company, 2014, 2016-2017
Fellow (FAAO) American Academy of Ophthalmology

Publications & Presentations

PubMed

3 citations
Expression of fibroblast growth factor-5 by bovine choroidal endothelial cells in vitro
Mari Ann Z. Keithahn, Amy E. Aotaki-Keen, Simon A. Schneeberger, Leonard M. Hjelmeland, Lawrence S Morse
Investigative Ophthalmology & Visual Science. 1997-09-01
6 citations
Corneal perforation associated with argon laser photocoagulation for a retinal tear.
Mari Ann Z. Keithahn, Robert H. Gross, Mark J. Mannis, Ronald B. Morales, Lawrence S Morse
American Journal of Ophthalmology. 1997-01-01
5 citations
Transferrin–Ricin A Chain Toxin Limits the Development of Experimental Proliferative Vitreoretinopathy
James T. Handa, Mari Ann Z. Keithahn, Glenn J. Jaffe
Experimental Eye Research. 1996-06-01