Individual provider Active NPI

Allison Mendelson, RD

  • Registered Dietitian
  • Denver, CO
National Provider Identifier
1215766167
Registry record updated Aug 30, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Registered DietitianTaxonomy code 133V00000X
Practice address
45 N Ogden St Apt 209
Denver, CO 80218-3879
Phone
(614) 403-9293
NPI assigned
Jul 30, 2024
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 30, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Registered Dietitian 133V00000X Primary

Addresses

Primary practice location

45 N Ogden St Apt 209
Denver, CO 80218-3879

Mailing address

45 N Ogden St Apt 209
Denver, CO 80218-3879
Phone (614) 403-9293

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

NPI Registry JSON

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

{
    "created_epoch": "1722297600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1788048000000",
    "number": "1215766167",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "45 N OGDEN ST APT 209",
            "city": "DENVER",
            "state": "CO",
            "postal_code": "802183879",
            "telephone_number": "614-403-9293"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "45 N OGDEN ST APT 209",
            "city": "DENVER",
            "state": "CO",
            "postal_code": "802183879",
            "telephone_number": "614-403-9293"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MENDELSON",
        "first_name": "ALLISON",
        "credential": "RD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2024-07-30",
        "last_updated": "2026-08-30",
        "certification_date": "2026-08-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "133V00000X",
            "taxonomy_group": "",
            "desc": "Dietitian, Registered",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Denver, CO

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 30, 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.