Grant Roger Masaoka, M.D.

Primary specialty

SpecialistTaxonomy code 174400000X

License

G19094 Issued in CA

Practice address

1781 W Romneya Dr
Suite E
Anaheim, CA 92801-1818

Phone

(714) 774-0414

Fax

(714) 774-0494

NPI assigned

Aug 30, 2005

Reactivated

Mar 29, 2006

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

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

• J. Moucharrafie, MD, Inc.

  dba Anaheim Pediatrics

  • Pediatrics Physician
  • Anaheim, CA
  • NPI 1417718081
  NPD (past)

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

{
    "created_epoch": "1125360000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1780677120",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1781 W ROMNEYA DR",
            "address_2": "SUITE E",
            "city": "ANAHEIM",
            "state": "CA",
            "postal_code": "928011818",
            "telephone_number": "714-774-0414",
            "fax_number": "714-774-0494"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1781 W ROMNEYA DR",
            "address_2": "SUITE E",
            "city": "ANAHEIM",
            "state": "CA",
            "postal_code": "928011818",
            "telephone_number": "714-774-0414",
            "fax_number": "714-774-0494"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MASAOKA",
        "first_name": "GRANT",
        "middle_name": "ROGER",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-08-30",
        "last_updated": "2026-07-13",
        "deactivation_date": "2006-03-24",
        "reactivation_date": "2006-03-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "174400000X",
            "taxonomy_group": "",
            "desc": "Specialist",
            "state": "CA",
            "license": "G19094",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "00G190940",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Marvelle Home Health Care
• Neha Marwaha
• Mary Critchley Audiologist, Inc
• Mary Kate Rohan M.D., Inc
• Yara Masad, RBT
• Zoe Claire Mascola
• Sheela Masifi, MD
• Adam Mason, D.O.
• Diane Joan Mason, R.N.
• Jennifer L Mason, MD

• Specialist in Anaheim, CA
• Providers in Anaheim, CA by specialty
• Specialist in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 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.