Individual provider Active NPI

Nicholas D. Walter, M.D.

  • Critical Care Medicine (Internal Medicine) Physician
  • Aurora, CO
National Provider Identifier
1962602771
Registry record updated Nov 17, 2011
On this page

Key facts

NPPES NPI Registry
Primary specialty
Critical Care Medicine (Internal Medicine) PhysicianTaxonomy code 207RC0200X
License
46815 Issued in CO
Practice address
12605 E 16TH Ave
Aurora, CO 80045-2545
Phone
(720) 848-0000
NPI assigned
Jul 19, 2007
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Nov 17, 2011

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 46815 CO
Critical Care Medicine (Internal Medicine) Physician 207RC0200X 46815 CO Primary
Pulmonary Disease Physician 207RP1001X 46815 CO

Addresses

Primary practice location

12605 E 16TH Ave
Aurora, CO 80045-2545

Mailing address

PO Box 876
Aurora, CO 80040-0876
Phone (303) 493-7000

Other identifiers 2

IdentifierTypeStateIssuer
04594040MedicaidCO
57174725MedicaidCO

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)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
46815COMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Marin Hospitalist Medical Group, Inc. Internal Medicine PastSince May 20, 2005 Accepting new patients
Critical Care Pulmonary and Sleep Associates Professional LLP Internal Medicine PastSince Jul 1, 2002 Accepting new patients
Critical Care Pulmonary and Sleep Associates Professional LLP Critical Care Medicine PastSince Jun 8, 2025 Accepting new patients
Avant Inpatient Services Medical Group, Inc Internal Medicine Past Accepting new patients

Interoperability endpoints

  • Direct secure messaging: nwalter12250@direct.dhha.org

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 and National Provider Directory roles.

NPI Registry JSON

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

{
    "created_epoch": "1184803200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1321488000000",
    "number": "1962602771",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 876",
            "city": "AURORA",
            "state": "CO",
            "postal_code": "800400876",
            "telephone_number": "303-493-7000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "12605 E 16TH AVE",
            "city": "AURORA",
            "state": "CO",
            "postal_code": "800452545",
            "telephone_number": "720-848-0000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WALTER",
        "first_name": "NICHOLAS",
        "middle_name": "D.",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-07-19",
        "last_updated": "2011-11-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CO",
            "license": "46815",
            "primary": false
        },
        {
            "code": "207RC0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Critical Care Medicine",
            "state": "CO",
            "license": "46815",
            "primary": true
        },
        {
            "code": "207RP1001X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Pulmonary Disease",
            "state": "CO",
            "license": "46815",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "04594040",
            "state": "CO"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "57174725",
            "state": "CO"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Aurora, CO

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 17, 2011; 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.