Hannah Lynn Hays, MD

Primary specialty

Medical Toxicology (Emergency Medicine) PhysicianTaxonomy code 207PT0002X

License

35097567 Issued in OH

Practice address

555 S 18TH St
Columbus, OH 43205-2654

Phone

(614) 722-6200

NPI assigned

Jul 21, 2008

Sex

Female

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 3

Addresses

Other identifiers 2

Medicare fee-for-service enrollment

Enrolled in OH

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Nationwide Children's Hospital

  • Multi-Specialty Clinic/Center
  • Columbus, OH
  • NPI 1851179873
  Medicare reassignment NPD
• Pediatric Academic Association, Inc.

  • Pediatrics Physician
  • Columbus, OH
  • NPI 1063419943
  Medicare reassignment NPD
• Spero Health of Ohio, LLC

  • Substance Use Disorder Rehabilitation Clinic/Center
  • Zanesville, OH
  • NPI 1346748563
  Medicare reassignment NPD
• Nationwide Children's Hospital

  dba Nationwide Children's Hospital Pharmacy

  • Durable Medical Equipment & Medical Supplies
  • Columbus, OH
  • NPI 1447061262
  NPD
• Nationwide Children's Hospital

  • Dental Clinic/Center
  • Columbus, OH
  • NPI 1407013964
  NPD (past)
• Ohio Emergency Professionals Inc

  • Emergency Medicine Physician
  • Columbus, OH
  • NPI 1982983425
  NPD (past)

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1216598400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1781481600000",
    "number": "1033374970",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "700 CHILDREN'S DRIVE",
            "city": "COLUMBUS",
            "state": "OH",
            "postal_code": "432052664",
            "telephone_number": "614-722-2000",
            "fax_number": "614-722-4380"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "555 S 18TH ST",
            "city": "COLUMBUS",
            "state": "OH",
            "postal_code": "432052654",
            "telephone_number": "614-722-6200"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "100 Colemans Xing",
            "address_purpose": "LOCATION",
            "city": "Marysville",
            "state": "OH",
            "postal_code": "430407080",
            "country_code": "US",
            "telephone_number": "937-578-7600",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "433 N Cleveland Ave",
            "address_purpose": "LOCATION",
            "city": "Westerville",
            "state": "OH",
            "postal_code": "430828095",
            "country_code": "US",
            "telephone_number": "614-355-8300",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "4363 All Seasons Dr Ste 100",
            "address_purpose": "LOCATION",
            "city": "Hilliard",
            "state": "OH",
            "postal_code": "430262050",
            "country_code": "US",
            "telephone_number": "614-355-5900",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "6435 E Broad St",
            "address_purpose": "LOCATION",
            "city": "Columbus",
            "state": "OH",
            "postal_code": "432131507",
            "country_code": "US",
            "telephone_number": "614-355-8100",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "7450 Hospital Dr Ste 100",
            "address_purpose": "LOCATION",
            "city": "Dublin",
            "state": "OH",
            "postal_code": "430168364",
            "country_code": "US",
            "telephone_number": "614-355-7000",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "7901 Diley Rd Ste 150",
            "address_purpose": "LOCATION",
            "city": "Canal Winchester",
            "state": "OH",
            "postal_code": "431109613",
            "country_code": "US",
            "telephone_number": "614-355-9050",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1654 Upham Dr",
            "address_2": "167 Means Hall",
            "address_purpose": "LOCATION",
            "city": "Columbus",
            "state": "OH",
            "postal_code": "432101250",
            "country_code": "US",
            "telephone_number": "614-293-3551",
            "fax_number": "614-293-3124",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1350 Stringtown Rd",
            "address_purpose": "LOCATION",
            "city": "Grove City",
            "state": "OH",
            "postal_code": "431239743",
            "country_code": "US",
            "telephone_number": "614-722-2000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "HAYS",
        "first_name": "HANNAH",
        "middle_name": "LYNN",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2008-07-21",
        "last_updated": "2026-06-15",
        "certification_date": "2026-06-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "OH",
            "license": "35.097567",
            "primary": false
        },
        {
            "code": "2080T0002X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Medical Toxicology",
            "state": "OH",
            "license": "35.097567",
            "primary": false
        },
        {
            "code": "207PT0002X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine, Medical Toxicology",
            "state": "OH",
            "license": "35097567",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "0087323",
            "state": "OH"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "CGS - MEDICARE",
            "identifier": "H242721",
            "state": "OH"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Ronisha L Haynes, RN
• Svitlana Haynes, MD
• Shirocco Haynesworth
• Angela Hays
• Hannah Hays
• John Alan Hays, C.P.
• John Lawrence Hays, M.D., PH.D.
• Julie W Hays, LPN
• Katherine Uveges Hays, CNP
• Lindsey V Hays, APRN-CNP

• Emergency Medicine Physician in Columbus, OH
• Providers in Columbus, OH by specialty
• Emergency Medicine Physician in Ohio

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 15, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.