Individual provider Active NPI

Erin McMahon

  • Registered Dietitian
  • Ann Arbor, MI
National Provider Identifier
1285541920
Registry record updated Aug 26, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Registered DietitianTaxonomy code 133V00000X
License
86294861
Practice address
1500 E Medical Center Dr
Ann Arbor, MI 48109-5000
Phone
(734) 936-4000
NPI assigned
Aug 26, 2026
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 26, 2026

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Pediatric Nutrition Registered Dietitian 133VN1004X
Metabolic Nutrition Registered Dietitian 133VN1006X
Registered Dietitian 133V00000X 86294861 Primary

Addresses

Primary practice location

1500 E Medical Center Dr
Ann Arbor, MI 48109-5000

Mailing address

6745 Disputed Road
Lasalle, ONTARIO N9H1Y2
CA

Medicare participation

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

NPI Registry JSON

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

{
    "created_epoch": "1787702400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787702400000",
    "number": "1285541920",
    "addresses": [
        {
            "country_code": "CA",
            "country_name": "Canada",
            "address_purpose": "MAILING",
            "address_type": "FGN",
            "address_1": "6745 DISPUTED ROAD",
            "city": "LASALLE",
            "state": "ONTARIO",
            "postal_code": "N9H1Y2"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1500 E MEDICAL CENTER DR",
            "city": "ANN ARBOR",
            "state": "MI",
            "postal_code": "481095000",
            "telephone_number": "734-936-4000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MCMAHON",
        "first_name": "ERIN",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2026-08-26",
        "last_updated": "2026-08-26",
        "certification_date": "2026-08-26",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "133VN1004X",
            "taxonomy_group": "",
            "desc": "Dietitian, Registered, Nutrition, Pediatric",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "133VN1006X",
            "taxonomy_group": "",
            "desc": "Dietitian, Registered, Nutrition, Metabolic",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "133V00000X",
            "taxonomy_group": "",
            "desc": "Dietitian, Registered",
            "state": null,
            "license": "86294861",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Ann Arbor, MI

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 26, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.

Verify at the official NPI Registry.