Individual provider Active NPI

Spencer B Williams, PA-C

  • Physician Assistant
  • Denver, CO
National Provider Identifier
1952149858
Registry record updated Apr 21, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physician AssistantTaxonomy code 363A00000X
License
PA.0008982 Issued in CO
Practice address
777 Bannock St
Denver, CO 80204-4597
Phone
(303) 436-4949
Fax
(303) 602-4560
NPI assigned
Jul 16, 2024
Last updated
Apr 21, 2025By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 21, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Physician Assistant 363A00000X NU
Physician Assistant 363A00000X PA.0008982 CO Primary

Addresses

Primary practice location

777 Bannock St
Denver, CO 80204-4597

Mailing address

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

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
I20250424002703 CO Practitioner - Physician Assistant 7113443953 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Physician Assistant
Education
Other, 2024
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices

Practice addresses (Care Compare)

777 Bannock St
Denver, CO 80204-4507
Phone (303) 436-6000

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Physician Assistant

Practice roles

OrganizationSpecialtyStatusNew patients
Denver Health and Hospital Authority CurrentSince Apr 22, 2025 Accepting new patients
Denver Health and Hospital Authority CurrentSince Apr 22, 2025 Accepting new patients
Denver Health and Hospital Authority Past Accepting new patients

Locations

777 Bannock St
Denver, CO 80204

Interoperability endpoints

  • Direct secure messaging: swilliams309163@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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

Hospital & facility affiliations 3

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

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

{
    "created_epoch": "1721088000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1745193600000",
    "number": "1952149858",
    "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": "303-602-4560"
        },
        {
            "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": "303-602-4560"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WILLIAMS",
        "first_name": "SPENCER",
        "middle_name": "B",
        "credential": "PA-C",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2024-07-16",
        "last_updated": "2025-04-21",
        "certification_date": "2025-04-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "NU",
            "license": null,
            "primary": false
        },
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "CO",
            "license": "PA.0008982",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Denver, CO

Sources for this page

Verify at the official NPI Registry.