Individual provider Active NPI

Mariah Elizabeth Diaz, CPNP

  • Pediatric Nurse Practitioner
  • Cambridge, MA
National Provider Identifier
1285541201
Registry record updated Aug 25, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Pediatric Nurse PractitionerTaxonomy code 363LP0200X
License
10008956 Issued in MA
Practice address
205 Mount Auburn St Apt 1a
Cambridge, MA 02138-4880
Phone
(484) 553-1005
NPI assigned
Aug 25, 2026
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 25, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Pediatric Nurse Practitioner 363LP0200X 10008956 MA Primary

Addresses

Primary practice location

205 Mount Auburn St Apt 1a
Cambridge, MA 02138-4880

Mailing address

205 Mount Auburn St Apt 1a
Cambridge, MA 02138-4880
Phone (484) 553-1005

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": "1787616000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787616000000",
    "number": "1285541201",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "205 MOUNT AUBURN ST APT 1A",
            "city": "CAMBRIDGE",
            "state": "MA",
            "postal_code": "021384880",
            "telephone_number": "484-553-1005"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "205 MOUNT AUBURN ST APT 1A",
            "city": "CAMBRIDGE",
            "state": "MA",
            "postal_code": "021384880",
            "telephone_number": "484-553-1005"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DIAZ",
        "first_name": "MARIAH",
        "middle_name": "ELIZABETH",
        "credential": "CPNP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2026-08-25",
        "last_updated": "2026-08-25",
        "certification_date": "2026-08-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LP0200X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Pediatrics",
            "state": "MA",
            "license": "10008956",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Cambridge, MA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 25, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.

Verify at the official NPI Registry.