Individual provider Active NPI

Thomas Gottlieb, M.D.

  • Internal Medicine Physician
  • Arvada, CO
National Provider Identifier
1427055409
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
15276 Issued in CO
Practice address
9950 W 80TH Ave
#23
Arvada, CO 80005-3927
Phone
(303) 425-1018
Fax
(303) 432-4770
NPI assigned
Jul 5, 2005
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 13, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 15276 CO Primary

Addresses

Primary practice location

9950 W 80TH Ave
#23
Arvada, CO 80005-3927

Mailing address

1707 Cole Blvd
Ste 250
Golden, CO 80401-3220
Phone (303) 763-4900

Other identifiers 1

IdentifierTypeStateIssuer
01152768MedicaidCO

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
15276COMDPharmacist

Practice roles

OrganizationSpecialtyStatusNew patients
New West Physicians Inc Internal Medicine Past Accepting new patients

Organizations & group practices 1

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.

NPI Registry JSON

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

{
    "created_epoch": "1120521600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1427055409",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1707 COLE BLVD",
            "address_2": "STE 250",
            "city": "GOLDEN",
            "state": "CO",
            "postal_code": "804013220",
            "telephone_number": "303-763-4900",
            "fax_number": "303-763-5495"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "9950 W 80TH AVE",
            "address_2": "#23",
            "city": "ARVADA",
            "state": "CO",
            "postal_code": "800053927",
            "telephone_number": "303-425-1018",
            "fax_number": "303-432-4770"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GOTTLIEB",
        "first_name": "THOMAS",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-07-05",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CO",
            "license": "15276",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "01152768",
            "state": "CO"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Arvada, CO

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.