Guillermo Christian Castro, DMD

Primary specialty

Pediatric DentistryTaxonomy code 1223P0221X

License

DN123780 Issued in GA

Practice address

86-260 Farrington Highway
Waianae, HI 96792-0241

Phone

(808) 697-3300

Fax

(808) 697-3687

NPI assigned

Jun 26, 2023

Last updated

Oct 6, 2026By the provider in NPPES

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in HI

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: No
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Medicare enrollment (NPD)

Enrolled

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: guillermo.castro.p1@direct.wcchc.nextgenshare.com

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Waianae District Comprehensive Health and Hospital Board, Inc

  dba Waianae Coast Comprehensive Health Center

  • Family Medicine Physician
  • Waianae, HI
  • NPI 1275566424

  Single Specialty

  Medicare reassignment NPD
• Waianae District Comprehensive Health and Hospital Board, Inc

  dba Nanakuli High & Intermediate School School-Based Health Center

  • Federally Qualified Health Center (FQHC)
  • Waianae, HI
  • NPI 1346742319
  NPD
• Waianae District Comprehensive Health and Hospital Board, Incorporated

  dba Waianae Elementary School

  • Federally Qualified Health Center (FQHC)
  • Waianae, HI
  • NPI 1710709365
  NPD

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

{
    "created_epoch": "1687737600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1791244800000",
    "number": "1679259642",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "86-260 FARRINGTON HIGHWAY",
            "city": "WAIANAE",
            "state": "HI",
            "postal_code": "96792",
            "telephone_number": "808-697-3300",
            "fax_number": "808-697-3687"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "86-260 FARRINGTON HIGHWAY",
            "city": "WAIANAE",
            "state": "HI",
            "postal_code": "967920241",
            "telephone_number": "808-697-3300",
            "fax_number": "808-697-3687"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "135 Cedar St",
            "address_purpose": "LOCATION",
            "city": "Richmond Hill",
            "state": "GA",
            "postal_code": "313243745",
            "country_code": "US",
            "telephone_number": "912-715-7873",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "85-175 Ferrington Highway A334",
            "address_purpose": "LOCATION",
            "city": "Waianae",
            "state": "HI",
            "postal_code": "96792",
            "country_code": "US",
            "telephone_number": "912-844-2200",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "CASTRO",
        "first_name": "GUILLERMO",
        "middle_name": "CHRISTIAN",
        "name_prefix": "Dr.",
        "credential": "DMD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2023-06-26",
        "last_updated": "2026-10-06",
        "certification_date": "2026-10-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1223P0221X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Dentist, Pediatric Dentistry",
            "state": "GA",
            "license": "DN123780",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Caregivers of Hawaii
• Caring Options LLC
• Nicole Carlson, RN
• Carolina D. Davide, M.D. Inc
• Delano Carroll Jr.
• Ashley Nicole Aquino Catapang, PA-C
• Stefanie K. Y. Chang-Hiu, RD, MPH
• Martha Halaulani-Kauhi Chang
• Sandy Chang, L.AC., LMT
• Derrick M.Y. Chee, R. PH.

• Pediatric Dentistry in Waianae, HI
• Providers in Waianae, HI by specialty
• Pediatric Dentistry in Hawaii

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 6, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.