Kassandra Kay McMillen, M.D,

Primary specialty

Obstetrics & Gynecology PhysicianTaxonomy code 207V00000X

License

DR0060302 Issued in CO

Practice address

2350 Meadows Blvd
Castle Rock, CO 80109-8405

Phone

(720) 455-0350

Fax

(720) 455-0351

NPI assigned

Dec 4, 2015

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

Other identifiers 2

Other names 1

• Kassandra Thomas Former name

Electronic endpoints 1

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: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Obstetrics/Gynecology

Education

University of Arkansas College of Medicine, 2014

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Portercare Adventist Health SystemGroup PAC ID 0941110886, 770 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Adventhealth Castle Rock Hospital, Castle Rock, CO, CCN 060125

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: kmcmillen4289364@adventhealth.direct-ci.com

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.

• Portercare Adventist Health System

  • Otolaryngology Physician
  • Greenwood Village, CO
  • NPI 1760761928
  Medicare reassignment Care Compare group NPD
• Portercare Adventist Health System

  • Urology Physician
  • Parker, CO
  • NPI 1841034691
  NPD
• Portercare Adventist Health System

  • Urology Physician
  • Lakewood, CO
  • NPI 1942165626
  NPD

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

• Portercare Adventist Health System

  • General Acute Care Hospital
  • Castle Rock, CO
  • NPI 1912249590
  Care Compare affiliation

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

{
    "created_epoch": "1449187200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1740528000000",
    "number": "1659746477",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2350 MEADOWS BLVD",
            "city": "CASTLE ROCK",
            "state": "CO",
            "postal_code": "801098405",
            "telephone_number": "720-455-0350",
            "fax_number": "720-455-0351"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2350 MEADOWS BLVD",
            "city": "CASTLE ROCK",
            "state": "CO",
            "postal_code": "801098405",
            "telephone_number": "720-455-0350",
            "fax_number": "720-455-0351"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "10350 E Dakota Ave",
            "address_purpose": "LOCATION",
            "city": "Denver",
            "state": "CO",
            "postal_code": "802471314",
            "country_code": "US",
            "telephone_number": "303-338-4545",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MCMILLEN",
        "first_name": "KASSANDRA",
        "middle_name": "KAY",
        "name_prefix": "Dr.",
        "credential": "M.D,",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2015-12-04",
        "last_updated": "2025-02-26",
        "certification_date": "2025-02-26",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "CO",
            "license": "DR0060302",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "KAISER COMMERCIAL NUMBER",
            "identifier": "029358",
            "state": "CO"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "9000167241",
            "state": "CO"
        }
    ],
    "endpoints": [
        {
            "endpointType": "SOAP",
            "endpointTypeDescription": "SOAP URL",
            "endpoint": "https://careepiceast.kp.org:14430/Interconnect-prodcom/wcf/epic.community.hie/xcpdrespondinggatewaysync.svc/ceq",
            "affiliation": "N",
            "endpointDescription": "Carequality",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "C-CDA",
            "address_1": "10350 E Dakota Ave",
            "city": "Denver",
            "state": "CO",
            "country_code": "US",
            "postal_code": "802471314",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": [
        {
            "first_name": "KASSANDRA",
            "last_name": "THOMAS",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

• Savanna McHenry Lomas, OTR/L
• Suzanne E McKenna, PT
• McKnight Counseling, PLLC
• Melanie Jean McLain
• Dylan McMillan
• Courtney Renee McMurtry, RDH
• Mark Patrick McNary, LPCC
• Medical Enterprise Solutions
• Medical Enterprise Systems, LLC
• Medical Recovery, Inc

• Obstetrics & Gynecology Physician in Castle Rock, CO
• Providers in Castle Rock, CO by specialty
• Obstetrics & Gynecology Physician in Colorado

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 26, 2025; 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.