Individual provider Active NPI

Siobhan Proksell, MD

  • Gastroenterology Physician
  • Aurora, CO
National Provider Identifier
1184990079
Registry record updated Jul 10, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Gastroenterology PhysicianTaxonomy code 207RG0100X
License
DR.0075489 Issued in CO
Practice address
1635 Aurora CT
Aurora, CO 80045-2541
Phone
(720) 848-0000
NPI assigned
Mar 26, 2012
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 10, 2025

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Gastroenterology Physician 207RG0100X ME147737 FL
Gastroenterology Physician 207RG0100X MD460696 PA
Gastroenterology Physician 207RG0100X DR.0075489 CO Primary

Addresses

Primary practice location

1635 Aurora CT
Aurora, CO 80045-2541

Mailing address

PO Box 110429
Aurora, CO 80042-0429

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in FL, CO2 enrollments
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 2

Enrollment IDStateProvider typePAC IDDetails
I20201118000409 FL Practitioner - GastroenterologyPractitioner - Internal Medicine 9032337365 Reassigns benefits to 1 organization
I20250724001194 CO Practitioner - GastroenterologyPractitioner - Internal Medicine 9032337365 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
GastroenterologyAlso: Internal Medicine
Education
University of Miami, LM Miller School of Medicine, 2012
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)

1635 Aurora CT
Aurora, CO 80045-2541
Phone (720) 848-0000

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
87.93 of 100Reported as group
Quality
78.79
Promoting interoperability
100
Improvement activities
40
Cost
71.44

Procedures performed for Medicare patients

ProcedureNumber of procedures
Colonoscopy65
Upper gastrointestinal (GI) endoscopy for acid reflux50

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
University Physicians, Incorporated CurrentSince Jun 1, 2025 Accepting new patients
University Physicians, Incorporated CurrentSince Jun 1, 2025 Accepting new patients
University of Miami CurrentSince Nov 1, 2020 Accepting new patients
University Physicians Incorporated Current Accepting new patients
University of Miami Gastroenterology CurrentSince Nov 1, 2020 Accepting new patients
University of Miami Current Accepting new patients
Windber Hospital, Inc. Past Accepting new patients

Locations

1635 Aurora Ct
Aurora, CO 80045
Phone (720) 848-1060

1635 Aurora Ct
Ste F735
Aurora, CO 80045
Phone (720) 848-2767

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

4800 NE 20th Ter
Ste 201
Ft Lauderdale, FL 33308
Phone (305) 892-4000

1611 NW 12th Ave
Miami, FL 33136
Phone (305) 585-6226

1801 NW 9th Ave
Fl 6
Miami, FL 33136
Phone (305) 355-5006

1120 NW 14th St
Miami, FL 33136
Phone (305) 243-2000

Interoperability endpoints

  • Direct secure messaging: sproksell81186@direct.med.miami.edu

Organizations & group practices 7

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 31

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

View all 31

NPI Registry JSON

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

{
    "created_epoch": "1332720000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1752105600000",
    "number": "1184990079",
    "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": "1635 AURORA CT",
            "city": "AURORA",
            "state": "CO",
            "postal_code": "800452541",
            "telephone_number": "720-848-0000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "PROKSELL",
        "first_name": "SIOBHAN",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2012-03-26",
        "last_updated": "2025-07-10",
        "certification_date": "2025-07-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "FL",
            "license": "ME147737",
            "primary": false
        },
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "PA",
            "license": "MD460696",
            "primary": false
        },
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "CO",
            "license": "DR.0075489",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Aurora, CO

Sources for this page

Verify at the official NPI Registry.