Hannah Lynn (Conley) Hays MD FACEP, FAACT, FACMT

Medical Toxicology

Medical Director, Central Ohio Poison Center; Chief of Toxicology, Nationwide Children's Hospital; Assistant Professor of Emergency Medicine and Pediatrics, The Ohio State University College of Medicine

Join to view full profile

555 S 18th StColumbus, OH 43205
Phone+1 614-722-6200
Fax+1 614-722-4380

Dr. Hays 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. Hays' full profile Already have an account?

Summary

Dr. Hannah (Conley) Hays is an emergency medicine physician based in Columbus, OH, with a subspecialty in medical toxicology. She earned her MD from Northeast Ohio Medical University in 2008 and completed her residency and fellowship at Ohio State University Hospital. She is experienced in addiction medicine, emergency medicine, toxicology, clinical research, and medical education. Dr. Hays has contributed to several publications in the field of medical toxicology and has been recognized with awards such as the Emerging Leader Award from Northeastern Ohio Medical University and the 40 Under 40 Honoree from Columbus Business First in 2024. She is a Fellow of the American College of Emergency Physicians and has received acknowledgments for her contributions to poison control centers.

Education & Training

Ohio State University HospitalFellowship, Medical Toxicology (Emergency Medicine), 2011 - 2013
Ohio State University HospitalResidency, Emergency Medicine, 2008 - 2011
Northeast Ohio Medical UniversityClass of 2008, MD
Youngstown State UniversityBS, Combined Sciences, 2002 - 2004

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

OH State Medical License 2008 - 2026
American Board of Emergency Medicine Emergency Medicine
American Board of Emergency Medicine Medical Toxicology
American Board of Preventive Medicine Addiction Medicine
American Association of Medical Review OfficersMedical Review Officer

Awards, Honors, & Recognition

40 Under 40 Honoree Columbus Business First, 2024
Emerging Leader Award Northeastern Ohio Medical University, 2024
Fellow, American College of Emergency Physicians American College of Emergency Physicians, 2017

Publications & Presentations

PubMed

Status Epilepticus After an Exploratory Ingestion of Cannabis Edibles.
Kevin Rivera, Alek Q Adkins, Brian P Murray, Hannah Hays
Cureus. 2025-09-01
Massive clonidine overdose in a paediatric patient due to a pharmacy compounding error and a primer on investigating suspected compounding errors.
Brian Patrick Murray, Matthew David Sheridan, Hannah Hays
BMJ Case Reports. 2025-08-25
In Response to Comment on "Tianeptine Exposures Reported to United States Poison Centers, 2015-2023".
Mustafa Quadir, Natalie I Rine, Jaahnavi Badeti, Hannah L Hays, Nichole L Michaels
Journal of Medical Toxicology. 2025-07-01

Journal Articles

Is This Drug Screen Really Negative? Special investigation of drug screening in pediatrics
8. Pyle-Eilola AL, Thornton DJ, Hays HL, Casavant MJ, Journ Appl Lab Med. 2017 Jan;1(04):437-440. DOI: 10.1373/jalm.2016.021162
Cleaning and Disinfectant Chemical Exposures and Temporal Associations with COVID-19 — National Poison Data System, United States, January 1, 2020–March 31, 2020
11. Chang A, Schnall AH, Law R, et al., MMWR Morb Mortal Wkly Rep 2020;69:496–498., 3/31/2020
Severe elemental mercury poisoning managed with selenium and N-acetylcysteine administration
Spiller HA, Hays H, Burns G, Casavant MJ, Toxicology Communications

Books/Book Chapters

Preparing for the Oral Board Exam in Emergency Medicine
Chapter: Poisoning and Overdose
Hays H, Schwaab, J, Wellock A.Edition 10th,2012
Pharmacology/Toxicology Case Studies Review Book
Hays H.Editors: Hays H..2012
Point of Care Medicine
Chapter: Toxicology
Kaide, C, Hays H, Bahner DEditors: Slonim, Levitov, and Marik.McGraw HillEdition 1st,2012

Abstracts/Posters

Heroin, cocaine and methamphetamine exposures reported to US Poison Centers (NPDS): 2005-2016
Spiller H, Hays H, North American Congress of Clinical Toxicology, Vancouver, BC, 10/2017
Hemodialysis for Massive Caffeine Overdose Associated with Ventricular Arrhythmias.
Daniel M, Gee S, Becknell M, Fitch J, Burns G, Fernandez R, Hall M, Hays H., Society of Critical Care Medicine, 1/1/2016
Impact of Levocarnitine on the Half-Life of Valproic Acid in Patients with Valproic-Acid Induced Hyperammonemia Secondary to Acute Ingestion
Beham R, North A, Hays H, Great Lakes Pharmacy Conference, 2016

Press Mentions

Household Items Tied to Sharp Increase in Self-Harm Cases in TeensSeptember 10th, 2025
Commonly Available Products Are Being Used in Preteens’ Self-Harm, Study ShowsSeptember 9th, 2025
‘Gas Station Heroin’ Spurs Spike in Poison Control Calls, FDA WarnsJune 18th, 2025

Committees

President and Executive Board Member, Douglas A. Rund Emergency Medicine Alumni Society 2022 - Present
Member, Pharmacy and Therapeutics Committee, Nationwide Children's Hospital 2017 - Present
Appointee, American Association of Poison Control Centers External Review Committee 2016 - Present
Ad Hoc Reviewer, Drug Safety 2016 - Present
Editoral Board Member, PEMSoft 2016 - Present