Andrea Margaret Williams, PA-C

Primary specialty

Physician AssistantTaxonomy code 363A00000X

License

PA.0007992 Issued in CO

Practice address

9005 Grant St Ste 200
Thornton, CO 80229-4384

Phone

(303) 287-2800

Fax

(303) 287-7357

NPI assigned

Sep 19, 2023

Last updated

Apr 23, 2026By the provider in NPPES

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

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

Specialty

Physician Assistant

Education

Other, 2023

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Select Physical Therapy of West Denver Limited PartnershipGroup PAC ID 6709771157, shared by 5 NPIs, 530 clinicians

Center for Spine and Orthopedics IncGroup PAC ID 1951292119, 29 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Centura Health-St Anthony North Health Campus Hospital, Westminster, CO, CCN 060104

Merit-based Incentive Payment System (MIPS)

Final score

40.82 of 100Reported as group

Quality

9.1

Promoting interoperability

100

Improvement activities

0

Cost

43.64

Medicare enrollment (NPD)

Enrolled

Credentials

Physician Assistant

State licenses

Practice roles

Interoperability endpoints

• Direct secure messaging: andrea.williams.1@9093.direct.athenahealth.com
• FHIR API: https://api.platform.athenahealth.com/16409/brand/1/csg/1/fhir/r4

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.

• Center for Spine and Orthopedics Inc

  • Orthopaedic Surgery Physician
  • Thornton, CO
  • NPI 1245215862
  Medicare reassignment Care Compare group
• Colorado Orthopaedics PC

  • Orthopaedic Surgery Physician
  • Colorado Springs, CO
  • NPI 1255728861
  NPD (past)

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

• Catholic Health Iniatives Colorado

  dba St. Anthony North Hospital

  • General Acute Care Hospital
  • Westminster, CO
  • NPI 1619985942
  Care Compare affiliation
• Catholic Health Initiatives Colorado

  dba 84th Avenue Imaging Center

  • General Acute Care Hospital
  • Westminster, CO
  • NPI 1013557545
  Care Compare affiliation
• Catholic Health Initiatives Colorado

  dba 84th Avenue Emergency/Urgent Care

  • Emergency Care Clinic/Center
  • Westminster, CO
  • NPI 1093355604

  Hospital

  Care Compare affiliation
• Catholic Health Initiatives Colorado

  • General Acute Care Hospital
  • Westminster, CO
  • NPI 1568002095
  Care Compare affiliation
• Catholic Health Initiatives Colorado

  • General Acute Care Hospital
  • Westminster, CO
  • NPI 1831739440
  Care Compare affiliation
• Catholic Health Initiatives Colorado

  • General Acute Care Hospital
  • Westminster, CO
  • NPI 1912547449
  Care Compare affiliation

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

{
    "created_epoch": "1695081600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1776902400000",
    "number": "1639957871",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "9005 GRANT ST STE 200",
            "city": "THORNTON",
            "state": "CO",
            "postal_code": "802294384",
            "telephone_number": "303-287-2800",
            "fax_number": "303-287-7357"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "9005 GRANT ST STE 200",
            "city": "THORNTON",
            "state": "CO",
            "postal_code": "802294384",
            "telephone_number": "303-287-2800",
            "fax_number": "303-287-7357"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WILLIAMS",
        "first_name": "ANDREA",
        "middle_name": "MARGARET",
        "credential": "PA-C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2023-09-19",
        "last_updated": "2026-04-23",
        "certification_date": "2026-04-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "CO",
            "license": "PA.0007992",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Carrie Wilkerson
• Brenda Wilking, MA, LPC, CAC III
• Sara Sinclair Wilkinson
• James Willetts
• Michael Lynn Willey
• Audrey Williams
• Brenda Joyce Williams, M.S.
• Brenda Veronika Williams, LCSW
• Crystal Elisa Williams, RDH
• Darol Williams

• Physician Assistant in Thornton, CO
• Providers in Thornton, CO by specialty
• Physician Assistant in Colorado

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 23, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• 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.