Individual provider Active NPI

Kathryn O'Brien, PT

  • Physical Therapist
  • Aurora, CO
National Provider Identifier
1740933035
Registry record updated Jan 16, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physical TherapistTaxonomy code 225100000X
License
PTL0018610 Issued in CO
Practice address
3451 S Chambers Rd
Aurora, CO 80014-5073
Phone
(303) 680-6121
Fax
(303) 680-8627
NPI assigned
Jan 27, 2022
Last updated
Jan 16, 2026By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jan 16, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Physical Therapist 225100000X PT61208920 WA
Physical Therapist 225100000X PTL0018610 CO Primary

Addresses

Primary practice location

3451 S Chambers Rd
Aurora, CO 80014-5073

Mailing address

PO Box 392977
Pittsburgh, PA 15251-5640
Phone (724) 343-4060

Other practice location 1

11960 Lioness Way Ste 260
Parker, CO 80134-5640
Phone (303) 344-9090

Other practice location 2

903 S Adams St
Ritzville, WA 99169-2227
Phone (509) 659-5408

Electronic endpoints 1

TypeEndpointUseAffiliation
CONNECT URL https://199.119.81.30:8291/Gateway/DocumentSubmission/2_0/NhinService/XDRResponse_Service Other eSolutions Inc

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20221109003051 CO Practitioner - Physical Therapist in Private Practice 8820465529 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Physical Therapist in Private Practice
Education
Other, 2021
Medicare assignment
May accept Medicare assignment

Practice addresses (Care Compare)

3451 S Chambers Rd
Aurora, CO 80014-5073

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
PTL0018610COMDPhysical Therapist
PT61208920WAMDPhysical Therapist

Practice roles

OrganizationSpecialtyStatusNew patients
Orthopedic Centers of Colorado, LLC Physical Therapist CurrentSince Sep 1, 2022 Accepting new patients
Colorado Athletic Conditioning Clinic Lowry Professional LLC Current Accepting new patients
Colorado Athletic Conditioning Clinic Lowry Professional LLC Physical Therapist CurrentSince Oct 1, 2023 Accepting new patients
Orthopedic Centers of Colorado, LLC Physical Therapist CurrentSince Sep 1, 2022 Accepting new patients
Colorado Athletic Conditioning Clinic Lowry Professional LLC Physical Therapist CurrentSince Oct 1, 2023 Accepting new patients
Colorado Athletic Conditioning Clinic Lowry Professional LLC Physical Therapist Past Accepting new patients

Locations

8025 Sheridan Blvd
Unit G
Arvada, CO 80003
Phone (720) 372-4973

1411 S Potomac St
Ste 350
Aurora, CO 80012
Phone (303) 671-2134

1411 S Potomac St
Ste 400
Aurora, CO 80012
Phone (303) 671-2140

5570 Powers Center Pt
Colorado Springs, CO 80920
Phone (719) 266-6022

10439 Chambers Rd
Commerce City, CO 80022
Phone (720) 625-8198

200 Quebec St
Bldg 600
Denver, CO 80230
Phone (303) 341-0369

3451 S Chambers Rd
Denver, CO 80014
Phone (303) 680-6121

5184 S Broadway
Englewood, CO 80113
Phone (720) 327-0865

10450 Park Meadows Dr
Ste 103
Lone Tree, CO 80124
Phone (303) 754-5222

8101 E Lowry Blvd
Ste 120
Lowry, CO 80230
Phone (303) 806-1998

11960 Lioness Way
Ste 260
Parker, CO 80134
Phone (303) 214-4500

8215 W 108th Ter
Overland Park, KS 66210

Organizations & group practices 6

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.

NPI Registry JSON

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

{
    "created_epoch": "1643241600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1768521600000",
    "number": "1740933035",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 392977",
            "city": "PITTSBURGH",
            "state": "PA",
            "postal_code": "152515640",
            "telephone_number": "724-343-4060",
            "fax_number": "303-680-8627"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3451 S CHAMBERS RD",
            "city": "AURORA",
            "state": "CO",
            "postal_code": "800145073",
            "telephone_number": "303-680-6121",
            "fax_number": "303-680-8627"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "11960 Lioness Way Ste 260",
            "address_purpose": "LOCATION",
            "city": "Parker",
            "state": "CO",
            "postal_code": "801345640",
            "country_code": "US",
            "telephone_number": "303-344-9090",
            "fax_number": "303-369-7776",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "903 S Adams St",
            "address_purpose": "LOCATION",
            "city": "Ritzville",
            "state": "WA",
            "postal_code": "991692227",
            "country_code": "US",
            "telephone_number": "509-659-5408",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "O'BRIEN",
        "first_name": "KATHRYN",
        "credential": "PT",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2022-01-27",
        "last_updated": "2026-01-16",
        "certification_date": "2026-01-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "225100000X",
            "taxonomy_group": "",
            "desc": "Physical Therapist",
            "state": "WA",
            "license": "PT61208920",
            "primary": false
        },
        {
            "code": "225100000X",
            "taxonomy_group": "",
            "desc": "Physical Therapist",
            "state": "CO",
            "license": "PTL0018610",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "CONNECT",
            "endpointTypeDescription": "CONNECT URL",
            "endpoint": "https://199.119.81.30:8291/Gateway/DocumentSubmission/2_0/NhinService/XDRResponse_Service",
            "affiliation": "Y",
            "endpointDescription": "2.16.840.1.113883.3.1066.1",
            "affiliationName": "eSolutions Inc",
            "use": "OTHER",
            "useDescription": "Other",
            "useOtherDescription": "CMS esMD eMDR",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "CSV",
            "address_1": "8215 W 108th Ter",
            "city": "Overland Park",
            "state": "KS",
            "country_code": "US",
            "postal_code": "662101661",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Aurora, CO

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 16, 2026; 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.