Individual provider Active NPI

Karissa Louise Olson, OTD, OTR

  • Occupational Therapist
  • Ames, IA
National Provider Identifier
1902583024
Registry record updated Jun 30, 2023
On this page

Key facts

NPPES NPI Registry
Primary specialty
Occupational TherapistTaxonomy code 225X00000X
License
121335 Issued in IA
Practice address
1915 Philadelphia St
Ames, IA 50010-8768
Phone
(515) 232-7220
NPI assigned
Jun 30, 2023
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 30, 2023

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Occupational Therapist 225X00000X 121335 IA Primary

Addresses

Primary practice location

1915 Philadelphia St
Ames, IA 50010-8768

Mailing address

5406 Merle Hay Rd
Johnston, IA 50131-1209

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in IA

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20250917000996 IA Practitioner - Occupational Therapist in Private Practice 7315441078 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Occupational Therapist in Private Practice
Education
Other, 2023
Medicare assignment
May accept Medicare assignment

Practice addresses (Care Compare)

1776 W Des Moines
Suite 400
West Des Moines, IA 50266-8393

PO Box
Kansas City, MO 64184

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
121335IAMDOccupational Therapist

Practice roles

OrganizationSpecialtyStatusNew patients
Younker Rehabilitation Therapy Services, LLC Occupational Therapist CurrentSince Sep 8, 2025 Accepting new patients
The Childserve Clinic Inc PastSince Jul 2, 2023 Accepting new patients
Childserve Therapy, Inc. Occupational Therapist PastSince Jul 2, 2023 Accepting new patients
Iowa Physicians Clinic Medical Foundation PastSince Sep 8, 2025 Accepting new patients

Locations

2720 8th St SW
Ste B
Altoona, IA 50009
Phone (515) 957-3663

3200 Grand Ave
Des Moines, IA 50312
Phone (515) 271-1700

Organizations & group practices 4

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

NPI Registry JSON

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

{
    "created_epoch": "1688083200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1688083200000",
    "number": "1902583024",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5406 MERLE HAY RD",
            "city": "JOHNSTON",
            "state": "IA",
            "postal_code": "501311209"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1915 PHILADELPHIA ST",
            "city": "AMES",
            "state": "IA",
            "postal_code": "500108768",
            "telephone_number": "515-232-7220"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "OLSON",
        "first_name": "KARISSA",
        "middle_name": "LOUISE",
        "credential": "OTD, OTR",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2023-06-30",
        "last_updated": "2023-06-30",
        "certification_date": "2023-06-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "225X00000X",
            "taxonomy_group": "",
            "desc": "Occupational Therapist",
            "state": "IA",
            "license": "121335",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Ames, IA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 30, 2023; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • 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.