NPIMap

Individual provider Active NPI

Mark Willis, M.D.

  • Plastic Surgery within the Head & Neck (Otolaryngology) Physician
  • Highlands Ranch, CO
National Provider Identifier
1649423617
Registry record updated Dec 23, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Plastic Surgery within the Head & Neck (Otolaryngology) PhysicianTaxonomy code 207YX0007X
License
51080 Issued in CO
Practice address
1500 Park Central Dr
Highlands Ranch, CO 80129-6688
Phone
(720) 848-0000
NPI assigned
Nov 3, 2008
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Dec 23, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Otolaryngology Physician 207Y00000X 51080 CO
Plastic Surgery within the Head & Neck (Otolaryngology) Physician 207YX0007X 51080 CO Primary

Addresses

Primary practice location

1500 Park Central Dr
Highlands Ranch, CO 80129-6688

Mailing address

PO Box 110429
Aurora, CO 80042-0429

Other practice location 1

12605 E 16th Ave
Aurora, CO 80045-2545
Phone (720) 848-0000

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
I20120810000209 CO Practitioner - Otolaryngology 4486800299 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Otolaryngology
Education
University of Colorado School of Medicine, Denver, 2007
Medicare assignment
Accepts the Medicare-approved amount as payment in full
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

13123 E 16TH Ave
Aurora, CO 80045-7106
Phone (720) 777-1234

1500 Park Central Dr
Highlands Ranch, CO 80129-6688
Phone (720) 516-1100

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Upper gastrointestinal (GI) endoscopy for acid reflux1-10
Melanoma (skin cancer) excision1-10

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
51080COMDOtolaryngology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Portercare Adventist Health System CurrentSince Aug 1, 2012 Accepting new patients
Portercare Adventist Health System Otolaryngology Current Accepting new patients
University Physicians Incorporated Otolaryngology CurrentSince Jul 1, 2019 Accepting new patients
University Physicians, Incorporated CurrentSince Jul 1, 2019 Accepting new patients
Children'S Hospital Colorado Current Accepting new patients
Portercare Adventist Health System CurrentSince Aug 1, 2012 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

Dept 1061
Denver, CO 80256

125 Inverness Dr E
Ste 150
Englewood, CO 80112
Phone (303) 792-0777

1500 Park Central Dr
Ste 501
Highlands Ranch, CO 80129
Phone (720) 516-5000

1811 Plaza Dr
Highlands Ranch, CO 80129
Phone (720) 478-0108

7750 S Broadway
Ste 260
Littleton, CO 80122
Phone (303) 734-8650

1500 Park Central Dr
Littleton, CO 80129
Phone (720) 516-1000

9548 Park Meadows Dr
Lone Tree, CO 80124
Phone (720) 848-2200

9399 Crown Crest Blvd
Ste 401
Parker, CO 80138
Phone (720) 274-2544

9397 Crown Crest Blvd
Ste 431
Parker, CO 80138
Phone (303) 649-3115

Interoperability endpoints

  • Direct secure messaging: mwillis6824@direct.childrenscolorado.org

Organizations & group practices 6

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 28

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

View all 28

NPI Registry JSON

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

{
    "created_epoch": "1225670400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1766448000000",
    "number": "1649423617",
    "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": "1500 PARK CENTRAL DR",
            "city": "HIGHLANDS RANCH",
            "state": "CO",
            "postal_code": "801296688",
            "telephone_number": "720-848-0000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "12605 E 16th Ave",
            "address_purpose": "LOCATION",
            "city": "Aurora",
            "state": "CO",
            "postal_code": "800452545",
            "country_code": "US",
            "telephone_number": "720-848-0000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "WILLIS",
        "first_name": "MARK",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2008-11-03",
        "last_updated": "2025-12-23",
        "certification_date": "2025-12-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Y00000X",
            "taxonomy_group": "",
            "desc": "Otolaryngology",
            "state": "CO",
            "license": "51080",
            "primary": false
        },
        {
            "code": "207YX0007X",
            "taxonomy_group": "",
            "desc": "Otolaryngology, Plastic Surgery within the Head & Neck",
            "state": "CO",
            "license": "51080",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Highlands Ranch, CO

Sources for this page

Verify at the official NPI Registry.