Individual provider Active NPI

Stephen Mark Plesich, D.O.

  • Otolaryngic Allergy Physician
  • Warren, OH
National Provider Identifier
1396746137
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Otolaryngic Allergy PhysicianTaxonomy code 207YX0602X
License
E41909 Issued in OH
Practice address
3921 E Market St
BLDG. III
Warren, OH 44484-4711
Phone
(330) 856-2045
Fax
(330) 856-2077
NPI assigned
Aug 2, 2005
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
Otolaryngic Allergy Physician 207YX0602X E41909 OH Primary

Addresses

Primary practice location

3921 E Market St
BLDG. III
Warren, OH 44484-4711

Mailing address

3921 E Market St
Warren, OH 44484-4711
Phone (330) 856-2045

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
Credentials
Doctor of Osteopathy

State licenses

LicenseStateTypeSpecialty
E41909OHMDOtolaryngic Allergy Physician

NPI Registry JSON

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

{
    "created_epoch": "1122940800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1396746137",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3921 E MARKET ST",
            "city": "WARREN",
            "state": "OH",
            "postal_code": "444844711",
            "telephone_number": "330-856-2045",
            "fax_number": "330-856-2077"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3921 E MARKET ST",
            "address_2": "BLDG. III",
            "city": "WARREN",
            "state": "OH",
            "postal_code": "444844711",
            "telephone_number": "330-856-2045",
            "fax_number": "330-856-2077"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "PLESICH",
        "first_name": "STEPHEN",
        "middle_name": "MARK",
        "credential": "D.O.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-08-02",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207YX0602X",
            "taxonomy_group": "",
            "desc": "Otolaryngology, Otolaryngic Allergy",
            "state": "OH",
            "license": "E41909",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Warren, 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.