NPIMap

Individual provider Active NPI

William E Addington, DO

  • Internal Medicine Physician
  • Marengo, OH
National Provider Identifier
1003807033
Registry record updated Sep 4, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
34-00-7270-A Issued in OH
Practice address
73 Sportsman Dr
Marengo, OH 43334-1800
Phone
(672) 330-4105
Fax
(614) 533-1440
NPI assigned
Oct 31, 2005
Last updated
Sep 4, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 4, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 34-00-7270-A OH Primary

Addresses

Primary practice location

73 Sportsman Dr
Marengo, OH 43334-1800

Mailing address

1661 Venture Drive
Suite a
Mount Vernon, OH 43050
Phone (740) 393-9766

Other identifiers 1

IdentifierTypeStateIssuer
2240480MedicaidOH

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address waddington113982@direct.ohiohealth.com OhioHealth Physician Group

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in OH
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20050420001103 OH Practitioner - Internal MedicinePractitioner - Family PracticePractitioner - Urology 6305883950 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Internal MedicineAlso: Family Practice, Urology
Education
Ohio University, College of Osteopathic Medicine, 1998
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Ohiohealth CorporationGroup PAC ID 6305758426, 2,295 clinicians

Practice addresses (Care Compare)

73 Sportsman Dr
Marengo, OH 43334-1800
Phone (567) 233-0410

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Removal of skin lesions1-10

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Osteopathy, Doctor of Medicine

Practice roles

OrganizationSpecialtyStatusNew patients
Ohiohealth Corporation Internal Medicine CurrentSince Jun 1, 2019 Accepting new patients
The Millhon Clinic, Inc Internal Medicine Past Accepting new patients
Lima Memorial Joint Operating Company Past Accepting new patients
South Zanesville Family Medical Center, Inc PastSince Jan 3, 2000 Accepting new patients
Physicians Group of Southeastern Ohio Inc Internal Medicine PastSince Dec 1, 2014 Accepting new patients

Locations

393 E Town St
Ste 116
Columbus, OH 43215
Phone (614) 566-9108

7630 Rivers Edge Dr
Columbus, OH 43235
Phone (614) 533-4000

Dept L3652
Columbus, OH 43260

5450 Frantz Rd
Ste 360
Dublin, OH 43016
Phone (614) 533-6497

73 Sportsman Dr
Marengo, OH 43334
Phone (419) 949-3073

Networks

  • KY PPO
  • devoted network organization-8ee96498-f86e-45f6-9fc9-a0f06c1636f9
  • devoted network organization-2d523d8e-e8f9-454a-bcd3-333df65bdbe8
  • KY PPO C-SNP
  • devoted network organization-598bd2d4-c652-473f-ba7a-132f674c8eb6
  • devoted network organization-9f3dfbd3-4aa6-4c92-8e71-9c4ed35ce037
  • OH PPO

Interoperability endpoints

  • FHIR API: https://fhir.nextgen.com/nge/prod/fhir-api-r4/fhir/r4/
  • Direct secure messaging: waddington113982@direct.ohiohealth.com

Organizations & group practices 5

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

Hospital & facility affiliations 9

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

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

{
    "created_epoch": "1130716800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1788480000000",
    "number": "1003807033",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1661 VENTURE DRIVE",
            "address_2": "SUITE A",
            "city": "MOUNT VERNON",
            "state": "OH",
            "postal_code": "43050",
            "telephone_number": "740-393-9766",
            "fax_number": "740-390-6361"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "73 SPORTSMAN DR",
            "city": "MARENGO",
            "state": "OH",
            "postal_code": "433341800",
            "telephone_number": "672-330-4105",
            "fax_number": "614-533-1440"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ADDINGTON",
        "first_name": "WILLIAM",
        "middle_name": "E",
        "name_prefix": "Dr.",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-10-31",
        "last_updated": "2026-09-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "OH",
            "license": "34-00-7270-A",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "2240480",
            "state": "OH"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "waddington113982@direct.ohiohealth.com",
            "affiliation": "Y",
            "affiliationName": "OhioHealth Physician Group",
            "address_1": "73 Sportsman Dr",
            "city": "Marengo",
            "state": "OH",
            "country_code": "US",
            "postal_code": "433341800",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Marengo, OH

Sources for this page

Verify at the official NPI Registry.