Gregory T Schimkat, RN, MSN

Primary specialty

Psychiatric/Mental Health Nurse PractitionerTaxonomy code 363LP0808X

License

1863333 Issued in WI

Practice address

600 N Westhaven Dr
Oshkosh, WI 54904-6926

Phone

(920) 720-2300

NPI assigned

May 27, 2026

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Other names 1

• Mr. Gregory Taylor Schimkat Professional name

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: No

Green means eligible to order or refer.

Specialty

Nurse Practitioner

Education

Other, 2026

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Master of Science - Nursing, Registered Nurse

State licenses

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

{
    "created_epoch": "1779840000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1785110400000",
    "number": "1275464265",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "600 N WESTHAVEN DR",
            "city": "OSHKOSH",
            "state": "WI",
            "postal_code": "549046926",
            "telephone_number": "920-720-2300",
            "fax_number": "920-720-3719"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "600 N WESTHAVEN DR",
            "city": "OSHKOSH",
            "state": "WI",
            "postal_code": "549046926",
            "telephone_number": "920-720-2300"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SCHIMKAT",
        "first_name": "GREGORY",
        "middle_name": "T",
        "credential": "RN, MSN",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2026-05-27",
        "last_updated": "2026-07-27",
        "certification_date": "2026-07-27",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "WI",
            "license": "18633",
            "primary": false
        },
        {
            "code": "363LP0808X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Psychiatric/Mental Health",
            "state": "WI",
            "license": "1863333",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "GREGORY",
            "last_name": "SCHIMKAT",
            "middle_name": "TAYLOR",
            "prefix": "MR.",
            "credential": "RN, MSN",
            "code": "2",
            "type": "Professional Name"
        }
    ]
}

• Robert John Schedgick, PH.D
• Pamela A Schedler
• Corrie Elizabeth Scherer
• Carol R Schermer, MD
• Zachery Scherwinski
• Lisa Marie Schindel, PHARMD
• Michelle A Schindel
• Paul S Schleitwiler, PA
• Kenneth Vernon Schlichting, PA
• Angela Eva Schmidt, M.S.

• Psychiatric/Mental Health Nurse Practitioner in Oshkosh, WI
• Providers in Oshkosh, WI by specialty
• Psychiatric/Mental Health Nurse Practitioner in Wisconsin

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 27, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.