Individual Healthcare Provider
Hannah Lynn Hays, MD
Provider's NPPES record last updated: June 15, 2026
Overview
- Entity Type
- Individual Healthcare Provider
- NPI
- 1033374970
- Primary Specialty
- Emergency Medicine — Medical Toxicology
- Practice Location
- Columbus, Ohio
- Sole Proprietor
- No
Federal Screening
NPISignal checked this NPI against federal exclusion sources. Results below are based on the NPI number itself — an identifier match, not a name match.
List of Excluded Individuals/Entities (LEIE)
HHS Office of Inspector General
No potential match was identified in NPISignal's indexed List of Excluded Individuals/Entities (LEIE) records as of 2026-09-10.
- Source data
- September 10, 2026
- Records indexed
- 84,001
- Screened
- Sep 18, 2026, 9:42 AM UTC
This reflects only the records NPISignal currently holds and the identity information supplied. It is not a verification of eligibility, licensure, or compliance. Verify decisions that matter against the authoritative source.
SAM.gov Exclusions
U.S. General Services Administration
SAM.gov Exclusions was not checked.
SAM.gov screening is not configured on this deployment. No SAM check has been performed.
- Screened
- Not checked
This is an NPI-based check only. NPISignal does not publish name-based exclusion matches on a provider profile. A shared or similar name is a lead that requires human review, not an identification, and this page is not the place to make one. Run a name-based screening below to see potential matches with the reasons for each.
This reflects only the records NPISignal currently holds and the identity information supplied. It is not a verification of eligibility, licensure, or compliance. Verify decisions that matter against the authoritative source.
Searches OIG LEIE and SAM.gov by name and reviews every potential match.
Specialties & Taxonomies
- Primary
Emergency Medicine
Medical Toxicology
Allopathic & Osteopathic Physicians
Medical toxicologists are physicians who specialize in the prevention, evaluation, treatment and monitoring of injury and illness from exposures to drugs and chemicals, as well as biological and radiological agents. Medical toxicologists care for people in clinical, academic, governmental and public health settings, and provide poison control center leadership. Important areas of medical toxicology include acute drug poisoning, adverse drug events, drug abuse, addiction and withdrawal, chemicals and hazardous materials, terrorism preparedness, venomous bites and stings and environmental and workplace exposures.
Taxonomy code 207PT0002X Emergency Medicine
Allopathic & Osteopathic Physicians
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
Taxonomy code 207P00000XPediatrics
Medical Toxicology
Allopathic & Osteopathic Physicians
Medical toxicologists are physicians that specialize in the prevention, evaluation, treatment and monitoring of injury and illness from exposures to drugs and chemicals, as well as biological and radiological agents. Medical toxicologists care for people in clinical, academic, governmental and public health settings, and provide poison control center leadership. Important areas of medical toxicology include acute drug poisoning, adverse drug events, drug abuse, addiction and withdrawal, chemicals and hazardous materials, terrorism preparedness, venomous bites and stings, and environmental and workplace exposures.
Taxonomy code 2080T0002X
Provider-Reported License Information
- Emergency Medicine (Ohio)
- 35097567
- Emergency Medicine (Ohio)
- 35.097567
- Pediatrics (Ohio)
- 35.097567
Practice Locations
Practice Location
555 S 18th St
Columbus, Ohio 43205-2654
Phone: (614) 722-6200
Additional Practice Location
100 Colemans Xing
Marysville, Ohio 43040-7080
Phone: (937) 578-7600
Additional Practice Location
433 N Cleveland Ave
Westerville, Ohio 43082-8095
Phone: (614) 355-8300
Additional Practice Location
4363 All Seasons Dr Ste 100
Hilliard, Ohio 43026-2050
Phone: (614) 355-5900
Additional Practice Location
6435 E Broad St
Columbus, Ohio 43213-1507
Phone: (614) 355-8100
Additional Practice Location
7450 Hospital Dr Ste 100
Dublin, Ohio 43016-8364
Phone: (614) 355-7000
Additional Practice Location
7901 Diley Rd Ste 150
Canal Winchester, Ohio 43110-9613
Phone: (614) 355-9050
Additional Practice Location
1654 Upham Dr
167 Means Hall
Columbus, Ohio 43210-1250
Phone: (614) 293-3551
Fax: (614) 293-3124
Additional Practice Location
1350 Stringtown Rd
Grove City, Ohio 43123-9743
Phone: (614) 722-2000
Record Information
- Enumeration Date
- July 21, 2008
- Provider's NPPES Record Last Updated
- June 15, 2026
- Certification Date
- June 15, 2026
- NPISignal NPPES Dataset
- August 2026
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