Individual provider Active NPI

John R Wigneswaran, MD

  • Nephrology Physician
  • Dayton, OH
National Provider Identifier
1679556609
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Nephrology PhysicianTaxonomy code 207RN0300X
License
080805 Issued in OH
Practice address
455 Turner Rd
Dayton, OH 45415-3630
Phone
(937) 208-7930
Fax
(937) 222-7910
NPI assigned
Nov 23, 2005
Last updated
Jul 13, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 13, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Nephrology Physician 207RN0300X 080805 OH Primary

Addresses

Primary practice location

455 Turner Rd
Dayton, OH 45415-3630

Mailing address

1 Elizabeth PL
Suite 190
Dayton, OH 45408-1445
Phone (937) 222-3118

Other identifiers 7

IdentifierTypeStateIssuer
310821503033OtherMEDICARE RAILROAD
000000221825OtherANTHEM
2809872OtherAETNA
3120003OtherUHC
3108215037021OtherUNITED MINE WORKERS
2306918MedicaidOH
D80805OtherHUMANA

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)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
080805OHMDNephrology Physician

NPI Registry JSON

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

{
    "created_epoch": "1132704000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1679556609",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1 ELIZABETH PL",
            "address_2": "SUITE 190",
            "city": "DAYTON",
            "state": "OH",
            "postal_code": "454081445",
            "telephone_number": "937-222-3118",
            "fax_number": "937-222-1436"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "455 TURNER RD",
            "city": "DAYTON",
            "state": "OH",
            "postal_code": "454153630",
            "telephone_number": "937-208-7930",
            "fax_number": "937-222-7910"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WIGNESWARAN",
        "first_name": "JOHN",
        "middle_name": "R",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-11-23",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RN0300X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Nephrology",
            "state": "OH",
            "license": "080805",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MEDICARE RAILROAD",
            "identifier": "310821503033",
            "state": null
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "ANTHEM",
            "identifier": "000000221825",
            "state": null
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "AETNA",
            "identifier": "2809872",
            "state": null
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "UHC",
            "identifier": "3120003",
            "state": null
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "UNITED MINE WORKERS",
            "identifier": "3108215037021",
            "state": null
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "2306918",
            "state": "OH"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "HUMANA",
            "identifier": "D80805",
            "state": null
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Dayton, OH

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 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.