NPIMap

Organization Active NPI

Advanced Urology, PLLC

Doing business as Colorado Urology

  • Urology Physician
  • Castle Rock, CO
National Provider Identifier
1174297048
Registry record updated Oct 1, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Urology PhysicianTaxonomy code 208800000X
Legal business name
ADVANCED UROLOGY, PLLC
Doing business as
Colorado Urology
Practice address
4350 Limelight Ave Ste 250
Castle Rock, CO 80109-8034
Phone
(303) 695-6106
NPI assigned
Aug 4, 2021
Last updated
Oct 1, 2025By the provider in NPPES
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Oct 1, 2025

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

Authorized official

Name
John Kefer, MD
Title
Director
Phone
(303) 666-4343

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Urology Physician 208800000X NU Primary

Addresses

Primary practice location

4350 Limelight Ave Ste 250
Castle Rock, CO 80109-8034

Mailing address

10200 Grand Central Ave Ste 220
Owings Mills, MD 21117-4366
Phone (866) 953-3111

Other names 1

  • Colorado Urology Doing business as

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CO

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20031120000238 CO Part B Supplier - Clinic/Group Practice 2365346558 Receives reassigned benefits from 92 practitioners
16 other NPIs on this enrollment
This NPI is an additional NPI on the enrollment
Practice locations: Wheat Ridge, CO; Westminster, CO; Superior, CO; Louisville, CO; Castle Rock, CO; Longmont, CO; Lone Tree, CO; Lakewood, CO…

Other NPIs on the same Medicare enrollment 16

NPIs listed together on one Medicare enrollment, typically parts of the same organization.

View all 16

Laboratory certificates & supplier records

Derived by NPIMap

These CMS records do not include an NPI. They are shown because their name and street address match this provider’s.

CLIA laboratory certificates

CLIA numberLaboratoryCertificateExpires
06D2330517Advanced Urology, PLLC4350 Limelight Ave, Suite 250, Castle Rock, CO 80109Certificate of waiverSep 16, 2027

National Provider Directory

National Provider Directory
Tax ID family
Aurora Urology PC13 organizations share this tax ID, including this one

Other organizations with this tax ID 12

Organizations that report the same tax identification number in the National Provider Directory.

Locations

1411 S Potomac St
Ste 210
Denver, CO 80012
Phone (303) 750-0883

Practitioners & affiliated clinicians

Practitioners 7

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

NPI Registry JSON

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

{
    "created_epoch": "1628035200000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1759276800000",
    "number": "1174297048",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "10200 GRAND CENTRAL AVE STE 220",
            "city": "OWINGS MILLS",
            "state": "MD",
            "postal_code": "211174366",
            "telephone_number": "866-953-3111",
            "fax_number": "443-471-8540"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4350 LIMELIGHT AVE STE 250",
            "city": "CASTLE ROCK",
            "state": "CO",
            "postal_code": "801098034",
            "telephone_number": "303-695-6106"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "ADVANCED UROLOGY, PLLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2021-08-04",
        "last_updated": "2025-10-01",
        "certification_date": "2025-10-01",
        "status": "A",
        "authorized_official_last_name": "KEFER",
        "authorized_official_first_name": "JOHN",
        "authorized_official_title_or_position": "DIRECTOR",
        "authorized_official_telephone_number": "303-666-4343",
        "authorized_official_credential": "MD"
    },
    "taxonomies": [
        {
            "code": "208800000X",
            "taxonomy_group": "",
            "desc": "Urology",
            "state": "NU",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "Colorado Urology",
            "code": "3",
            "type": "Doing Business As"
        },
        {
            "organization_name": "Colorado Urology",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

Other providers in Castle Rock, CO

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 1, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • 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.