NPIMap

Individual provider Active NPI

Stephen N Alix, M.D.

  • Internal Medicine Physician
  • Denver, CO
National Provider Identifier
1063473361
Registry record updated Oct 12, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
41620 Issued in CO
Practice address
360 S Garfield St
Denver, CO 80209-3186
Phone
(720) 848-0000
NPI assigned
Mar 28, 2006
Last updated
Oct 12, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 12, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 41620 CO Primary

Addresses

Primary practice location

360 S Garfield St
Denver, CO 80209-3186

Mailing address

PO Box 110429
Aurora, CO 80042-0429

Other practice location 1

1400 S Potomac St
Suite 110
Aurora, CO 80012-4528
Phone (303) 745-0000

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CO
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20061024000161 CO Practitioner - Internal Medicine 4284631862 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Wayne State University School of Medicine, 2000
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
University Physicians IncorporatedGroup PAC ID 3476465667, 3,189 clinicians

Practice addresses (Care Compare)

12605 E 16TH Ave
Uchealth Anschutz Medical Campus
Aurora, CO 80045-2545
Phone (720) 848-0000

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
41620COMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
University Physicians, Incorporated CurrentSince Nov 10, 2015 Accepting new patients
University Physicians Incorporated Internal Medicine CurrentSince Nov 10, 2015 Accepting new patients
Boulder Valley Pulmonology Past Accepting new patients
Kenneth H Weisiger MD PC Internal Medicine Past Accepting new patients
Philippe G Lopez MD PC PastSince Jun 16, 2024 Accepting new patients

Locations

12605 E 16th Ave
Aurora, CO 80045
Phone (720) 848-0006

13123 E 16th Ave
Aurora, CO 80045
Phone (720) 777-3846

360 S Garfield St
Ste 550
Denver, CO 80209
Phone (303) 333-5456

Dept 1061
Denver, CO 80256

Organizations & group practices 5

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 37

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

View all 37

NPI Registry JSON

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

{
    "created_epoch": "1143504000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1791763200000",
    "number": "1063473361",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 110429",
            "city": "AURORA",
            "state": "CO",
            "postal_code": "800420429"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "360 S GARFIELD ST",
            "city": "DENVER",
            "state": "CO",
            "postal_code": "802093186",
            "telephone_number": "720-848-0000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1400 S Potomac St",
            "address_2": "Suite 110",
            "address_purpose": "LOCATION",
            "city": "Aurora",
            "state": "CO",
            "postal_code": "800124528",
            "country_code": "US",
            "telephone_number": "303-745-0000",
            "fax_number": "303-745-1299",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "ALIX",
        "first_name": "STEPHEN",
        "middle_name": "N",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-03-28",
        "last_updated": "2026-10-12",
        "certification_date": "2026-10-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CO",
            "license": "41620",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Denver, CO

Sources for this page

Verify at the official NPI Registry.