Individual provider Active NPI

Mary Ellenor Dwyer, APRN-CNM

  • Advanced Practice Midwife
  • Columbus, OH
National Provider Identifier
1528537404
Registry record updated Apr 9, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Advanced Practice MidwifeTaxonomy code 367A00000X
License
APRN.CNM.0019712 Issued in OH
Practice address
255 E Main St
Columbus, OH 43215-5222
Phone
(614) 355-1100
NPI assigned
Nov 20, 2018
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 9, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Registered Nurse 163W00000X RN.531202 OH
Advanced Practice Midwife 367A00000X APRN.CNM.0019712 OH Primary

Addresses

Primary practice location

255 E Main St
Columbus, OH 43215-5222

Mailing address

255 E Main St
Columbus, OH 43215-5222
Phone (614) 355-1100

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled

State licenses

LicenseStateTypeSpecialty
RN.531202OHMDRegistered Nurse
APRN.CNM.0019712OHMDAdvanced Practice Midwife

Practice roles

OrganizationSpecialtyStatusNew patients
Integrated Services for Behavioral Health PastSince Jan 30, 2016 Accepting new patients

Interoperability endpoints

  • FHIR API: https://api.qualifacts.org/api/fhir/isaoh/r4/

Organizations & group practices 1

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.

NPI Registry JSON

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

{
    "created_epoch": "1542672000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1775692800000",
    "number": "1528537404",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "255 E MAIN ST",
            "city": "COLUMBUS",
            "state": "OH",
            "postal_code": "432155222",
            "telephone_number": "614-355-1100"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "255 E MAIN ST",
            "city": "COLUMBUS",
            "state": "OH",
            "postal_code": "432155222",
            "telephone_number": "614-355-1100"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DWYER",
        "first_name": "MARY",
        "middle_name": "ELLENOR",
        "credential": "APRN-CNM",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2018-11-20",
        "last_updated": "2026-04-09",
        "certification_date": "2026-04-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "163W00000X",
            "taxonomy_group": "",
            "desc": "Registered Nurse",
            "state": "OH",
            "license": "RN.531202",
            "primary": false
        },
        {
            "code": "367A00000X",
            "taxonomy_group": "",
            "desc": "Advanced Practice Midwife",
            "state": "OH",
            "license": "APRN.CNM.0019712",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Columbus, OH

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 9, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.