Individual provider Active NPI

Karissa Michelle Zahner, OTR

  • Occupational Therapist
  • Denver, CO
National Provider Identifier
1043518434
Registry record updated Oct 21, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Occupational TherapistTaxonomy code 225X00000X
License
OT.0005181 Issued in CO
Practice address
1860 N Lincoln St
Denver, CO 80203-7300
Phone
(720) 423-3200
NPI assigned
Mar 8, 2011
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 21, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Pediatric Occupational Therapist 225XP0200X 114040 TX
Occupational Therapist 225X00000X OT.0005181 CO Primary

Addresses

Primary practice location

1860 N Lincoln St
Denver, CO 80203-7300

Mailing address

2217 Glenarm PL
Denver, CO 80205-3160
Phone (817) 525-0442

Other practice location 1

99 Regency Pkwy
Suite 313
Mansfield, TX 76063-7817
Phone (888) 864-3572

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled

State licenses

LicenseStateTypeSpecialty
OT.0005181COMDOccupational Therapist
114040TXMDPediatric Occupational Therapist

Practice roles

OrganizationSpecialtyStatusNew patients
Denver Public Schools CurrentSince Aug 25, 2025 Accepting new patients
Afagh Holdings, Inc PastSince Sep 1, 2010 Accepting new patients

Locations

1860 N Lincoln St
Denver, CO 80203
Phone (720) 423-2098

Organizations & group practices 2

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": "1299542400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1761004800000",
    "number": "1043518434",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2217 GLENARM PL",
            "city": "DENVER",
            "state": "CO",
            "postal_code": "802053160",
            "telephone_number": "817-525-0442"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1860 N LINCOLN ST",
            "city": "DENVER",
            "state": "CO",
            "postal_code": "802037300",
            "telephone_number": "720-423-3200"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "99 Regency Pkwy",
            "address_2": "Suite 313",
            "address_purpose": "LOCATION",
            "city": "Mansfield",
            "state": "TX",
            "postal_code": "760637817",
            "country_code": "US",
            "telephone_number": "888-864-3572",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "ZAHNER",
        "first_name": "KARISSA",
        "middle_name": "MICHELLE",
        "credential": "OTR",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2011-03-08",
        "last_updated": "2025-10-21",
        "certification_date": "2025-10-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "225XP0200X",
            "taxonomy_group": "",
            "desc": "Occupational Therapist, Pediatrics",
            "state": "TX",
            "license": "114040",
            "primary": false
        },
        {
            "code": "225X00000X",
            "taxonomy_group": "",
            "desc": "Occupational Therapist",
            "state": "CO",
            "license": "OT.0005181",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Denver, CO

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 21, 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.