Individual provider Active NPI

Dierdre A Gilliam, MSN, RN, PHN

  • Administrator Registered Nurse
  • Woodland, CA
National Provider Identifier
1205984010
Registry record updated Sep 11, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Administrator Registered NurseTaxonomy code 163WA2000X
License
607502 Issued in CA
Practice address
137 N Cottonwood St
Ste 2400
Woodland, CA 95695
Phone
(530) 666-8558
Fax
(530) 666-7447
NPI assigned
Jan 8, 2007
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 11, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Administrator Registered Nurse 163WA2000X 607502 CA Primary
Community Health Registered Nurse 163WC1500X 607502 CA

Addresses

Primary practice location

137 N Cottonwood St
Ste 2400
Woodland, CA 95695

Mailing address

8425 Fernando Way
Elverta, CA 95626-9542
Phone (916) 991-5875

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
Master of Science - Nursing, Registered Nurse

State licenses

LicenseStateTypeSpecialty
607502CAMDCommunity Health Registered Nurse

NPI Registry JSON

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

{
    "created_epoch": "1168214400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1205984010",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "8425 FERNANDO WAY",
            "city": "ELVERTA",
            "state": "CA",
            "postal_code": "956269542",
            "telephone_number": "916-991-5875",
            "fax_number": "530-666-7447"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "137 N COTTONWOOD ST",
            "address_2": "STE 2400",
            "city": "WOODLAND",
            "state": "CA",
            "postal_code": "95695",
            "telephone_number": "530-666-8558",
            "fax_number": "530-666-7447"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GILLIAM",
        "first_name": "DIERDRE",
        "middle_name": "A",
        "credential": "MSN, RN, PHN",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2007-01-08",
        "last_updated": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "163WA2000X",
            "taxonomy_group": "",
            "desc": "Registered Nurse, Administrator",
            "state": "CA",
            "license": "607502",
            "primary": true
        },
        {
            "code": "163WC1500X",
            "taxonomy_group": "",
            "desc": "Registered Nurse, Community Health",
            "state": "CA",
            "license": "607502",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Woodland, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 2025; 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.