HANNAH L. HAYS MD – NPI #1033374970
Emergency Medicine
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.
HANNAH HAYS is a physician located in COLUMBUS, OH. NPPES has assigned the NPI number 1033374970 to HANNAH HAYS on July 21, 2008. It is a Type-1 NPI, indicating this NPI number is associated with an individual. According to the NPI Registry, there are 8 additional location(s) assigned to this provider which are listed below. With multiple taxonomy codes selected, the primary taxonomy selected by this provider is 207PT0002X from the Health Care Provider Taxonomy code set, which is classified as Emergency Medicine, specializing in Medical Toxicology
The NPI profile was last updated on Apr 16, 2026. Use the NPI data found here to bill health insurance companies, identify providers enrolled in Medicare and Medicaid services or other HIPAA compliant transactions. See the complete NPI profile for HANNAH HAYS below.
NPI Profile for
HANNAH L. HAYS
(about 18 years ago)
COLUMBUS, OH 43205-2654 Phone: (614) 722-6200 Fax:
8 Other location(s):
Canal Winchester, OH 43110-9613
Phone: (614) 355-9050
167 Means Hall
Columbus, OH 43210-1250
Phone: (614) 293-3551
Fax: (614) 293-3124
Columbus, OH 43213-1507
Phone: (614) 355-8100
Dublin, OH 43016-8364
Phone: (614) 355-7000
Grove City, OH 43123-9743
Phone: (614) 722-2000
Hilliard, OH 43026-2050
Phone: (614) 355-5900
Marysville, OH 43040-7080
Phone: (937) 578-7600
Westerville, OH 43082-8095
Phone: (614) 355-8300
COLUMBUS, OH 43205-2664 Phone: (614) 722-2000 Fax: (614) 722-4380
Note: NPPES allows providers to attest to the accuracy of their NPI data. When a provider request any change to the NPI record, they will be able to attest to their changed NPI data, resulting in an updated certification date.
Identifiers for HANNAH HAYS
Identifiers are used to associate other provider identifiers such as Medicaid or other insurers (ie:, Blue Cross, Blue Shield, Aetna, Kaiser-Permanente, etc.), with their NPI number. These identifiers can be used in matching an NPI number to an insurer's records. However, not all providers have such numbers and not all providers choose to include them in their NPI information.
| Description | Issuer | State | Identifier |
|---|---|---|---|
| other | CGS - MEDICARE | OH | H242721 |
| medicaid | OH | 0087323 |
A taxonomy code is a code that describes the health care service provider's type, classification, and the area of specialization. The primary specialty for this provider is indicated as (Primary) below.
| Taxonomy Classification / Specialization | State | License |
|---|---|---|
| 207PT0002X - Emergency Medicine / Medical Toxicology (Primary) |
OH | 35097567 |
| 2080T0002X - Pediatrics / Medical Toxicology |
OH | 35.097567 |
| 207P00000X - Emergency Medicine |
OH | 35.097567 |
The taxonomy codes are selected by the provider at the time of NPI registration. Selection of a taxonomy code does not replace any credentialing or validation process that the provider requesting the code should complete.
Additional Information
- Refer to Part B
- Order Durable Medical Equipment
- Refer to Home Health Agency
- Order Power Mobility Devices
Why is my NPI data (personal information) being displayed publicly?
If you have an active NPI profile, your profile is required to be disclosed according to the FOIA and eFOIA. HIPAA also requires covered providers to share their NPI with other providers, health plans, clearinghouses and any entity that may need it for billing purposes.
How do I correct or change the NPI data displayed here?
At any time, providers can make changes to their NPI profile at NPPES. Login to NPPES to make changes online or call (800) 465-3203 for assistance. Changes made at NPPES will be reflected on this web site within a few days.
Can I hide my NPI profile from the public?
Unfortunately, No. The NPPES discloses health care provider data under the Freedom of Information Act to the public, which means anyone may request such information directly from the National Plan & Provider Enumeration System.
See the complete CMS Data Dissemination Notice here.