Individual provider Active NPI

Deirdre Betty Williams, DNP, FNP-BC

  • Family Nurse Practitioner
  • Pismo Beach, CA
National Provider Identifier
1922809763
Registry record updated Aug 20, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Nurse PractitionerTaxonomy code 363LF0000X
License
95036497 Issued in CA
Practice address
921 Oak Park Blvd Ste 101
Pismo Beach, CA 93449-3289
Phone
(805) 473-9850
NPI assigned
Mar 19, 2025
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 20, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Family Nurse Practitioner 363LF0000X 95036497 CA Primary
Registered Nurse 163W00000X 95220535 CA

Addresses

Primary practice location

921 Oak Park Blvd Ste 101
Pismo Beach, CA 93449-3289

Mailing address

730 Bear Canyon LN
Arroyo Grande, CA 93420-7134
Phone (805) 441-2567

Other practice location 1

10 Santa Rosa St
San Luis Obispo, CA 93405-5826
Phone (805) 544-7246

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
95220535CAMDRegistered Nurse

NPI Registry JSON

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

{
    "created_epoch": "1742342400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787184000000",
    "number": "1922809763",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "730 BEAR CANYON LN",
            "city": "ARROYO GRANDE",
            "state": "CA",
            "postal_code": "934207134",
            "telephone_number": "805-441-2567"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "921 OAK PARK BLVD STE 101",
            "city": "PISMO BEACH",
            "state": "CA",
            "postal_code": "934493289",
            "telephone_number": "805-473-9850"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "10 Santa Rosa St",
            "address_purpose": "LOCATION",
            "city": "San Luis Obispo",
            "state": "CA",
            "postal_code": "934055826",
            "country_code": "US",
            "telephone_number": "805-544-7246",
            "fax_number": "805-782-8097",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "WILLIAMS",
        "first_name": "DEIRDRE",
        "middle_name": "BETTY",
        "credential": "DNP, FNP-BC",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2025-03-19",
        "last_updated": "2026-08-20",
        "certification_date": "2026-08-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "CA",
            "license": "95036497",
            "primary": true
        },
        {
            "code": "163W00000X",
            "taxonomy_group": "",
            "desc": "Registered Nurse",
            "state": "CA",
            "license": "95220535",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Pismo Beach, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 20, 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.