HANNAH LYNN HAYS MD
NPI 1033374970
Emergency Medicine - Medical Toxicology in Columbus, OH
About Hannah Lynn Hays Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HANNAH LYNN HAYS MD (NPI 1033374970) is an individual medical toxicology provider in Columbus, Ohio, licensed in Ohio (35097567) and active in the NPI registry since July 2008. She is enrolled in Medicare PECOS and maintains 8 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Locations 8
Other Identifiers 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Hannah Lynn Hays Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show Hannah Hays reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Columbus, OH 43205
- Reassigned Medicare billing, Ohio enrollment
- 976 clinicians in this Medicare group
Columbus, OH 43205
- Reassigned Medicare billing, Ohio enrollment
- 1,246 clinicians in this Medicare group
Zanesville, OH 43701
- Reassigned Medicare billing, Ohio enrollment
- 41 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 43205 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
COLUMBUS, OH 43205
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Hannah Hays's NPI number?
The NPI number for Hannah Hays is 1033374970. It was assigned to this individual provider in the NPPES registry on July 21, 2008.
Where is Hannah Hays located?
Hannah Hays practices at 555 S 18th St, Columbus, OH 43205. The listed phone number is (614) 722-6200.
What is Hannah Hays's specialty?
The primary specialty registered for this NPI is Emergency Medicine, specializing in Medical Toxicology, with taxonomy code 207PT0002X.
Is Hannah Hays enrolled in Medicare?
Yes. Hannah Hays is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Hannah Hays's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Hannah Hays reassigns Medicare benefits to 3 organizations: Nationwide Children's Hospital (Columbus, OH), Pediatric Academic Association, Inc. (Columbus, OH) and Spero Health Of Ohio, LLC (Zanesville, OH). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Hannah Hays's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Hannah Hays accept?
Health plans from Antidote Health Plan of Ohio, Inc. and CareSource list Hannah Hays as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Hannah Hays was last updated on June 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Hannah Lynn Hays, MD · NPI 1033374970
Medical Toxicology physician in Columbus, Ohio. Individual provider, active in the CMS NPPES registry since July 21, 2008.
## Identity
- **NPI:** 1033374970 (Entity type: Individual)
- **Enumerated:** July 21, 2008
- **Primary specialty:** Emergency Medicine - Medical Toxicology · taxonomy 207PT0002X
- **State license:** 35097567 (Ohio)
- **Sole proprietor:** No
## Practice location
- **Address:** 555 S 18TH ST, Columbus, OH 43205-2654
- **Phone:** (614) 722-6200
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Nationwide Children's Hospital (NPI 1851179873, Columbus, OH); Pediatric Academic Association, Inc. (NPI 1063419943, Columbus, OH); Spero Health Of Ohio, LLC (NPI 1346748563, Zanesville, OH) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** June 15, 2026
- **Other identifiers:** Medicaid 0087323 (OH); Other H242721 (OH)
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Source: [NPI Profile](https://npiprofile.com/npi/1033374970) · Data from the CMS NPPES public registry.