Individual provider Active NPI

David Alan Marshall, RN

  • Acute Care Nurse Practitioner
  • Phoenix, AZ
National Provider Identifier
1669346847
Registry record updated Jul 23, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Acute Care Nurse PractitionerTaxonomy code 363LA2100X
License
343159 Issued in AZ
Practice address
25714 N 20TH Ave
Phoenix, AZ 85085-8627
Phone
(480) 490-8786
NPI assigned
Oct 1, 2025
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 23, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Registered Nurse 163W00000X RN197594 AZ
Acute Care Nurse Practitioner 363LA2100X 343159 AZ Primary

Addresses

Primary practice location

25714 N 20TH Ave
Phoenix, AZ 85085-8627

Mailing address

25714 N 20TH Ave
Phoenix, AZ 85085-8627
Phone (480) 490-8786

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
Registered Nurse

State licenses

LicenseStateTypeSpecialty
RN197594AZMDRegistered Nurse

NPI Registry JSON

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

{
    "created_epoch": "1759276800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1784764800000",
    "number": "1669346847",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "25714 N 20TH AVE",
            "city": "PHOENIX",
            "state": "AZ",
            "postal_code": "850858627",
            "telephone_number": "480-490-8786"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "25714 N 20TH AVE",
            "city": "PHOENIX",
            "state": "AZ",
            "postal_code": "850858627",
            "telephone_number": "480-490-8786"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MARSHALL",
        "first_name": "DAVID",
        "middle_name": "ALAN",
        "credential": "RN",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2025-10-01",
        "last_updated": "2026-07-23",
        "certification_date": "2026-07-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "163W00000X",
            "taxonomy_group": "",
            "desc": "Registered Nurse",
            "state": "AZ",
            "license": "RN197594",
            "primary": false
        },
        {
            "code": "363LA2100X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Acute Care",
            "state": "AZ",
            "license": "343159",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Phoenix, AZ

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 23, 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.