Karen Marie Gresens, COTA/L

Primary specialty

Occupational Therapy AssistantTaxonomy code 224Z00000X

License

OTA15535 Issued in FL

Practice address

609 S 9TH St
Leesburg, FL 34748-6319

Phone

(352) 805-4404

Fax

(877) 399-5541

NPI assigned

Jul 6, 2017

Last updated

Nov 13, 2025By the provider in NPPES

Sex

Female

Sole proprietor

Yes

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

Specialties & licenses 3

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

State licenses

Practice roles

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.

• First Step Therapy, LLC

  • Clinic/Center
  • Kissimmee, FL
  • NPI 1831420033

  Early Intervention Provider Agency

  NPD (past)

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

{
    "created_epoch": "1499299200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1762992000000",
    "number": "1518488030",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1200 N CENTRAL AVE STE 110",
            "city": "KISSIMMEE",
            "state": "FL",
            "postal_code": "347414439",
            "telephone_number": "386-846-4360"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "609 S 9TH ST",
            "city": "LEESBURG",
            "state": "FL",
            "postal_code": "347486319",
            "telephone_number": "352-805-4404",
            "fax_number": "877-399-5541"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "437 W Ardice Avenue",
            "address_purpose": "LOCATION",
            "city": "Eustis",
            "state": "FL",
            "postal_code": "32778",
            "country_code": "US",
            "telephone_number": "352-747-4147",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "GRESENS",
        "first_name": "KAREN",
        "middle_name": "MARIE",
        "credential": "COTA/L",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2017-07-06",
        "last_updated": "2025-11-13",
        "certification_date": "2025-11-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "224Z00000X",
            "taxonomy_group": "",
            "desc": "Occupational Therapy Assistant",
            "state": "FL",
            "license": "OTA15535",
            "primary": true
        },
        {
            "code": "252Y00000X",
            "taxonomy_group": "",
            "desc": "Early Intervention Provider Agency",
            "state": "FL",
            "license": null,
            "primary": false
        },
        {
            "code": "252Y00000X",
            "taxonomy_group": "",
            "desc": "Early Intervention Provider Agency",
            "state": "FL",
            "license": "OTA15535",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Stephen Z. Grahovac, MD
• Gustavo Granada, MD
• Greatest Minds Support Services
• Victoria Catherine Greenwell
• Patricia A Gregg, MD
• Angela Griffiths, LPN
• Alisa D Grove, M.S.
• Lanie Marie Gruendel
• Alexsandra Gruszczyk
• Sam J Guarnieri, DMD

• Occupational Therapy Assistant in Leesburg, FL
• Providers in Leesburg, FL by specialty
• Occupational Therapy Assistant in Florida

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 13, 2025; 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.