Individual provider Active NPI

Darwin Bernaldez Laganzon

  • Family Nurse Practitioner
  • Castro Valley, CA
National Provider Identifier
1568375897
Registry record updated Sep 26, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Nurse PractitionerTaxonomy code 363LF0000X
License
95041624 Issued in CA
Practice address
2237 Vegas Ave
Castro Valley, CA 94546-6358
Phone
(912) 465-5828
NPI assigned
Sep 26, 2026
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Sep 26, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Family Nurse PractitionerGroup: 193400000X SINGLE SPECIALTY GROUP 363LF0000X 95041624 CA Primary

Addresses

Primary practice location

2237 Vegas Ave
Castro Valley, CA 94546-6358

Mailing address

34 Davidson Ave
Savannah, GA 31419-3010
Phone (912) 465-5828

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": "1790380800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1790380800000",
    "number": "1568375897",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "34 DAVIDSON AVE",
            "city": "SAVANNAH",
            "state": "GA",
            "postal_code": "314193010",
            "telephone_number": "912-465-5828"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2237 VEGAS AVE",
            "city": "CASTRO VALLEY",
            "state": "CA",
            "postal_code": "945466358",
            "telephone_number": "912-465-5828"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LAGANZON",
        "first_name": "DARWIN",
        "middle_name": "BERNALDEZ",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2026-09-26",
        "last_updated": "2026-09-26",
        "certification_date": "2026-09-26",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Nurse Practitioner, Family",
            "state": "CA",
            "license": "95041624",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Castro Valley, CA

Sources for this page

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

Verify at the official NPI Registry.