John O. Grimm, M.D.

Primary specialty

Orthopaedic Surgery of the Spine PhysicianTaxonomy code 207XS0117X

License

1037941 Issued in IN

Practice address

225 Crosslake Dr
Evansville, IN 47715-8198

Phone

(812) 477-1558

NPI assigned

Jul 7, 2005

Last updated

Jul 13, 2026By the provider in NPPES

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Other identifiers 2

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Interoperability endpoints

• Direct secure messaging: grimm@tsos.srs-direct.com

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.

• Ozarks Medical Center

  dba Ozarks Healthcare

  • General Acute Care Hospital
  • West Plains, MO
  • NPI 1831115641
  NPD (past)

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

{
    "created_epoch": "1120694400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1700883691",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "225 CROSSLAKE DR",
            "city": "EVANSVILLE",
            "state": "IN",
            "postal_code": "477158198",
            "telephone_number": "812-477-1558"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "225 CROSSLAKE DR",
            "city": "EVANSVILLE",
            "state": "IN",
            "postal_code": "477158198",
            "telephone_number": "812-477-1558"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GRIMM",
        "first_name": "JOHN",
        "middle_name": "O.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-07-07",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207XS0117X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery, Orthopaedic Surgery of the Spine",
            "state": "IN",
            "license": "1037941",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "HEALTHLINK",
            "identifier": "130960",
            "state": "IN"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "ANTHEM",
            "identifier": "000000108308",
            "state": "IN"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Sarah Elizabeth Gries, OTR
• Nancy Griffith
• Alyssa Griggs, MSW, LCSW
• Marsha Kay Grim, COTA/L
• Jennifer Grimes
• Paula Marie Grimwood
• Christina Griner, PHARMD
• Delight J Griswold, NP MSN APN BC
• Amanda Gross, CLC
• Craig Matthew Gross, L.A.T., A.T.C.,CPED

• Orthopaedic Surgery of the Spine Physician in Evansville, IN
• Providers in Evansville, IN by specialty
• Orthopaedic Surgery of the Spine Physician in Indiana

• 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.