NPIMap

Individual provider Active NPI

Allan Nguyen, D.O

  • Surgery Physician
  • Englewood, CO
National Provider Identifier
1295288769
Registry record updated Jan 22, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Surgery PhysicianTaxonomy code 208600000X
License
DR.0062864 Issued in CO
Practice address
601 E Hampden Ave Ste 200
Englewood, CO 80113-2788
Phone
(303) 788-5300
NPI assigned
Aug 1, 2016
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jan 22, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Surgery Physician 208600000X DR.0062864 CO Primary
Surgical Critical Care Physician 2086S0102X DR.0062864 CO

Addresses

Primary practice location

601 E Hampden Ave Ste 200
Englewood, CO 80113-2788

Mailing address

601 E Hampden Ave Ste 200
Englewood, CO 80113-2788
Phone (303) 788-5300

Other identifiers 2

IdentifierTypeStateIssuer
FN8741440OtherDEA
DR.0062864OtherCOPHYSICIAN LICENSE

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
I20220328000573 CO Practitioner - General SurgeryPractitioner - Critical Care (Intensivists) 9234424334 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
General SurgeryAlso: Critical Care (Intensivists)
Education
Western Un of HLTH Sciences, Col of Podiatric Med, 2016
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Tacs ColoradoGroup PAC ID 3678906773, 14 clinicians
Vista Surgical GroupGroup PAC ID 2365989514, 5 clinicians

Practice addresses (Care Compare)

501 E Hamden Ave
Englewood, CO 80113-2702
Phone (303) 788-5300

601 E Hampden Ave
Suite 200
Englewood, CO 80113-2788
Phone (303) 788-5300

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Hernia repair (minimally invasive)1-10

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
DR.0062864COMDSurgery Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Tacs Colorado Surgery CurrentSince Apr 15, 2024 Accepting new patients
Vista Surgical Group Surgery CurrentSince Jul 1, 2024 Accepting new patients
Urgent Specialty Associates of Texas, PLLC Surgical Critical Care PastSince Jan 7, 2024 Accepting new patients
HCA Healthone LLC Past Accepting new patients

Locations

501 E Hampden Ave
Englewood, CO 80113
Phone (303) 788-5300

601 E Hampden Ave
Ste 200
Englewood, CO 80113
Phone (303) 788-5300

10101 Ridgegate Pkwy
Lone Tree, CO 80124
Phone (720) 225-1000

9141 Grant St
Ste 235
Thornton, CO 80229
Phone (303) 252-0100

9191 Grant St
Thornton, CO 80229
Phone (303) 246-5003

Interoperability endpoints

  • Direct secure messaging: allan.nguyen@vsg.eclinicaldirectplus.com

Organizations & group practices 4

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 4

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

NPI Registry JSON

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

{
    "created_epoch": "1470009600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1769040000000",
    "number": "1295288769",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "601 E HAMPDEN AVE STE 200",
            "city": "ENGLEWOOD",
            "state": "CO",
            "postal_code": "801132788",
            "telephone_number": "303-788-5300"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "601 E HAMPDEN AVE STE 200",
            "city": "ENGLEWOOD",
            "state": "CO",
            "postal_code": "801132788",
            "telephone_number": "303-788-5300"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "NGUYEN",
        "first_name": "ALLAN",
        "name_prefix": "Dr.",
        "credential": "D.O",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2016-08-01",
        "last_updated": "2026-01-22",
        "certification_date": "2026-01-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "CO",
            "license": "DR.0062864",
            "primary": true
        },
        {
            "code": "2086S0102X",
            "taxonomy_group": "",
            "desc": "Surgery, Surgical Critical Care",
            "state": "CO",
            "license": "DR.0062864",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "DEA",
            "identifier": "FN8741440",
            "state": null
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "PHYSICIAN LICENSE",
            "identifier": "DR.0062864",
            "state": "CO"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Englewood, CO

Sources for this page

Verify at the official NPI Registry.