John E Warren OD SC

Primary specialty

OptometristTaxonomy code 152W00000X

License

2527 Issued in WI

Legal business name

JOHN E WARREN OD SC

Practice address

1139 S Sunnyslope Dr Ste 203
Mt Pleasant, WI 53406-3998

Phone

(272) 752-2020

Fax

(262) 292-5019

NPI assigned

Mar 20, 2007

Organization subpart

No

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

Authorized official

Name

Dr. John E Warren, ODNPI 1609868124

Title

Owner

Phone

(262) 752-2020

Specialties & licenses 1

Addresses

Other names 1

• WARREN EYE CARE CENTER INC Doing business as

Medicare fee-for-service enrollment

Enrolled in WI

Enrollment records 1

Tax ID family

John E Warren OD SC2 organizations share this tax ID, including this one

Other organizations with this tax ID 1

Organizations that report the same tax identification number in the National Provider Directory.

• Warren Eye Care

  • Optometrist
  • Racine, WI
  • NPI 1114189750
  NPD tax ID

Locations

Practitioners 3

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

• John E Warren, OD

  • Optometrist
  • Mt Pleasant, WI
  • NPI 1609868124
  Medicare reassignment Care Compare group NPD Authorized official
• Katelyn Jo Steen, OD

  • Optometrist
  • Mount Pleasant, WI
  • NPI 1922655158
  Medicare reassignment Care Compare group NPD
• Sara Kristen Nicholson, O.D.

  • Optometrist
  • Racine, WI
  • NPI 1184682775
  NPD (past)

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

{
    "created_epoch": "1174348800000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1767744000000",
    "number": "1821113697",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1139 S SUNNYSLOPE DR STE 203",
            "city": "MT PLEASANT",
            "state": "WI",
            "postal_code": "534063998",
            "telephone_number": "272-752-2020",
            "fax_number": "262-292-5019"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1139 S SUNNYSLOPE DR STE 203",
            "city": "MT PLEASANT",
            "state": "WI",
            "postal_code": "534063998",
            "telephone_number": "272-752-2020",
            "fax_number": "262-292-5019"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "JOHN E WARREN OD SC",
        "organizational_subpart": "NO",
        "enumeration_date": "2007-03-20",
        "last_updated": "2026-01-07",
        "certification_date": "2026-01-07",
        "status": "A",
        "authorized_official_last_name": "WARREN",
        "authorized_official_first_name": "JOHN",
        "authorized_official_middle_name": "E",
        "authorized_official_title_or_position": "OWNER",
        "authorized_official_telephone_number": "262-752-2020",
        "authorized_official_name_prefix": "Dr.",
        "authorized_official_credential": "OD"
    },
    "taxonomies": [
        {
            "code": "152W00000X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Optometrist",
            "state": "WI",
            "license": "2527",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "WARREN EYE CARE CENTER INC",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

• Kari Janusheske, LPC
• Jolene Jarrett, PHARMD
• Kathryn Jelacic, APNP
• Ashley O Jensen, PHARMD
• Andrew Johansen, DC
• Anika Johnson, PT, DPT, NCS
• Benjamin Bradley Johnson
• Gregory J Johnson
• Jazzmin Johnson, APSW
• Jonathan Michael Johnson, MD

• Optometrist in Mt Pleasant, WI
• Providers in Mt Pleasant, WI by specialty
• Optometrist in Wisconsin

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 7, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.