NPIMap

Individual provider Active NPI

Stephen Paul Duntley, MD

  • Sleep Medicine (Psychiatry & Neurology) Physician
  • Aurora, CO
National Provider Identifier
1023036720
Registry record updated Oct 28, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Sleep Medicine (Psychiatry & Neurology) PhysicianTaxonomy code 2084S0012X
License
52200 Issued in CO
Practice address
12401 E 17TH Ave
Aurora, CO 80045-2548
Phone
(720) 848-0000
NPI assigned
Jul 18, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 28, 2025

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

Specialties & licenses 4

Specialty (taxonomy)CodeLicenseStatePrimary
Neurology Physician 2084N0400X R9J08 MO
Sleep Medicine (Psychiatry & Neurology) Physician 2084S0012X 52200 CO Primary
Pulmonary Disease Physician 207RP1001X DR.0052200 CO
Sleep Medicine (Psychiatry & Neurology) Physician 2084S0012X R9J08 MO

Addresses

Primary practice location

12401 E 17TH Ave
Aurora, CO 80045-2548

Mailing address

PO Box 110429
Aurora, CO 80042-0429

Other practice location 1

12605 E 16th Ave
Aurora, CO 80045
Phone (720) 848-0000

Other practice location 2

274 Union Blvd
Suite 110
Lakewood, CO 80228-1813
Phone (303) 951-0600

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
I20130805000312 CO Practitioner - Sleep MedicinePractitioner - NeurologyPractitioner - Pulmonary Disease 4880726033 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Sleep MedicineAlso: Neurology, Pulmonary Disease
Education
University of Washington School of Medicine, 1988
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
52200COMDSleep Medicine (Psychiatry & Neurology) Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Valley View Hospital Association CurrentSince Jun 14, 2017 Accepting new patients
Pathology Assoc of the Roaring Fork Current Accepting new patients
Critical Care Pulmonary and Sleep Associates Professional LLP CurrentSince Jun 8, 2025 Accepting new patients
University Physicians, Incorporated CurrentSince Aug 15, 2018 Accepting new patients
Valley View Hospital Association CurrentSince Jun 14, 2017 Accepting new patients
University Physicians Incorporated Neurology Current Accepting new patients
Valley View Hospital Association Current Accepting new patients
University Physicians, Incorporated CurrentSince Aug 15, 2018 Accepting new patients
Valley View Hospital Association Current Accepting new patients
Valley View Hospital Association CurrentSince Jun 14, 2017 Accepting new patients
Valley View Hospital Association Past Accepting new patients

Locations

12401 E 17th Ave
Aurora, CO 80045
Phone (720) 777-8613

1635 Aurora Ct
Fl 4
Aurora, CO 80045
Phone (720) 848-2000

1635 Aurora Ct
Fl 5
Aurora, CO 80045
Phone (720) 848-2300

12401 E 17th Ave
Fl 3
Aurora, CO 80045

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

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

Dept 1061
Denver, CO 80256

2525 S Downing St
Denver, CO 80210
Phone (303) 744-2706

1906 Blake Ave
Glenwood Springs, CO 81601
Phone (970) 384-7033

274 Union Blvd
Ste 200
Lakewood, CO 80228
Phone (303) 778-5666

274 Union Blvd
Ste 110
Lakewood, CO 80228
Phone (720) 536-2100

Organizations & group practices 12

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.

Hospital & facility affiliations 46

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

View all 46

NPI Registry JSON

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

{
    "created_epoch": "1153180800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1761609600000",
    "number": "1023036720",
    "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": "12401 E 17TH AVE",
            "city": "AURORA",
            "state": "CO",
            "postal_code": "800452548",
            "telephone_number": "720-848-0000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "12605 E 16th Ave",
            "address_purpose": "LOCATION",
            "city": "Aurora",
            "state": "CO",
            "postal_code": "80045",
            "country_code": "US",
            "telephone_number": "720-848-0000",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "274 Union Blvd",
            "address_2": "Suite 110",
            "address_purpose": "LOCATION",
            "city": "Lakewood",
            "state": "CO",
            "postal_code": "802281813",
            "country_code": "US",
            "telephone_number": "303-951-0600",
            "fax_number": "303-951-0605",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "DUNTLEY",
        "first_name": "STEPHEN",
        "middle_name": "PAUL",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-07-18",
        "last_updated": "2025-10-28",
        "certification_date": "2025-10-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084N0400X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Neurology",
            "state": "MO",
            "license": "R9J08",
            "primary": false
        },
        {
            "code": "2084S0012X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Sleep Medicine",
            "state": "CO",
            "license": "52200",
            "primary": true
        },
        {
            "code": "207RP1001X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Pulmonary Disease",
            "state": "CO",
            "license": "DR.0052200",
            "primary": false
        },
        {
            "code": "2084S0012X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Sleep Medicine",
            "state": "MO",
            "license": "R9J08",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Aurora, CO

Sources for this page

Verify at the official NPI Registry.