Individual provider Active NPI

Douglas Weiss, PT

  • Physical Therapist
  • Littleton, CO
National Provider Identifier
1124901327
Registry record updated Jan 27, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physical TherapistTaxonomy code 225100000X
License
PTL.0020965 Issued in CO
Practice address
5935 S Zang St Unit 9
Littleton, CO 80127-4645
Phone
(303) 979-5511
NPI assigned
Jul 28, 2025
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jan 27, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Physical Therapist 225100000X PTL.0020965 CO Primary

Addresses

Primary practice location

5935 S Zang St Unit 9
Littleton, CO 80127-4645

Mailing address

5935 S Zang St Unit 9
Littleton, CO 80127-4645
Phone (303) 979-5511

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20250926000100 CO Practitioner - Physical Therapist in Private Practice 3072018498 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Physical Therapist in Private Practice
Education
Other, 2025
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Panther Physical Therapy, Inc.Group PAC ID 4688670326, 13 clinicians

Practice addresses (Care Compare)

5935 S Zang St
Unit 9
Littleton, CO 80127-4645
Phone (303) 979-5511

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
PTL.0020965COMDPhysical Therapist

Practice roles

OrganizationSpecialtyStatusNew patients
Panther Physical Therapy, Inc. Physical Therapist CurrentSince Aug 25, 2025 Accepting new patients
Physio Pro, Inc. Physical Therapist PastSince Aug 3, 2025 Accepting new patients

Locations

5935 S Zang St
Unit 9
Littleton, CO 80127
Phone (303) 979-5511

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": "1753660800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1769472000000",
    "number": "1124901327",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5935 S ZANG ST UNIT 9",
            "city": "LITTLETON",
            "state": "CO",
            "postal_code": "801274645",
            "telephone_number": "303-979-5511",
            "fax_number": "303-979-6469"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5935 S ZANG ST UNIT 9",
            "city": "LITTLETON",
            "state": "CO",
            "postal_code": "801274645",
            "telephone_number": "303-979-5511"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WEISS",
        "first_name": "DOUGLAS",
        "credential": "PT",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2025-07-28",
        "last_updated": "2026-01-27",
        "certification_date": "2026-01-27",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "225100000X",
            "taxonomy_group": "",
            "desc": "Physical Therapist",
            "state": "CO",
            "license": "PTL.0020965",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Littleton, CO

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 27, 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.