Individual provider Active NPI

Kassandra Alexis Williams, FNP-C

  • Nurse Practitioner
  • Denver, CO
National Provider Identifier
1114753811
Registry record updated Feb 27, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Nurse PractitionerTaxonomy code 363L00000X
License
APN.1000181-NP Issued in CO
Practice address
777 Bannock St
Denver, CO 80204-4597
Phone
(303) 436-4949
Fax
(303) 602-4064
NPI assigned
Sep 10, 2024
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Feb 27, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Nurse Practitioner 363L00000X APN.1000181-NP CO Primary
Family Nurse Practitioner 363LF0000X APN.1000181-NP CO

Addresses

Primary practice location

777 Bannock St
Denver, CO 80204-4597

Mailing address

777 Bannock St
Denver, CO 80204-4597
Phone (303) 436-4949

Other names 1

  • Kassandra Alexis Novakovich Former name

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CO
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: No
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20241209004158 CO Practitioner - Nurse Practitioner 0042746471 Reassigns benefits to 1 organization

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Nurse Practitioner

State licenses

LicenseStateTypeSpecialty
APN.1000181-NPCOMDFamily Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Denver Health and Hospital Authority CurrentSince Oct 20, 2024 Accepting new patients
Denver Health and Hospital Authority CurrentSince Oct 20, 2024 Accepting new patients
Denver Health and Hospital Authority Past Accepting new patients

Locations

777 Bannock St
Denver, CO 80204

1001 Yosemite St
Lowry, CO 80230
Phone (303) 436-4545

Interoperability endpoints

  • Direct secure messaging: knovakovich301029@direct.dhha.org

Organizations & group practices 3

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": "1725926400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1772150400000",
    "number": "1114753811",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "777 BANNOCK ST",
            "city": "DENVER",
            "state": "CO",
            "postal_code": "802044597",
            "telephone_number": "303-436-4949",
            "fax_number": "303-602-4064"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "777 BANNOCK ST",
            "city": "DENVER",
            "state": "CO",
            "postal_code": "802044597",
            "telephone_number": "303-436-4949",
            "fax_number": "303-602-4064"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WILLIAMS",
        "first_name": "KASSANDRA",
        "middle_name": "ALEXIS",
        "credential": "FNP-C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2024-09-10",
        "last_updated": "2026-02-27",
        "certification_date": "2026-02-27",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "CO",
            "license": "APN.1000181-NP",
            "primary": true
        },
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "CO",
            "license": "APN.1000181-NP",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "KASSANDRA",
            "last_name": "NOVAKOVICH",
            "middle_name": "ALEXIS",
            "credential": "FNP-C",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Denver, CO

Sources for this page

Verify at the official NPI Registry.