Frank Oshiro Nalawagan Jr.

Primary specialty

Rehabilitation PractitionerTaxonomy code 225400000X

Practice address

1745 Enterprise Dr
Fairfield, CA 94533-5801

Phone

(707) 453-6227

NPI assigned

Oct 19, 2012

Sex

Male

Sole proprietor

No

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

Specialties & licenses 3

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

Practice roles

Locations

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.

• Specialized Education of California, Inc.

  dba Sierra Schools of CA (A Catapult Learning Company)

  • Community/Behavioral Health Agency
  • Fairfield, CA
  • NPI 1134459217
  NPD
• Keystone School Elmira

  • Community/Behavioral Health Agency
  • Elmira, CA
  • NPI 1609096817
  NPD (past)

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

{
    "created_epoch": "1350604800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1750636800000",
    "number": "1750634317",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1745 ENTERPRISE DR",
            "city": "FAIRFIELD",
            "state": "CA",
            "postal_code": "945335801",
            "telephone_number": "707-453-6227"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1745 ENTERPRISE DR",
            "city": "FAIRFIELD",
            "state": "CA",
            "postal_code": "945335801",
            "telephone_number": "707-453-6227"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "NALAWAGAN",
        "first_name": "FRANK",
        "middle_name": "OSHIRO",
        "name_prefix": "Mr.",
        "name_suffix": "Jr.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2012-10-19",
        "last_updated": "2025-06-23",
        "certification_date": "2025-06-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YM0800X",
            "taxonomy_group": "",
            "desc": "Counselor, Mental Health",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "171M00000X",
            "taxonomy_group": "",
            "desc": "Case Manager/Care Coordinator",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "225400000X",
            "taxonomy_group": "",
            "desc": "Rehabilitation Practitioner",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "NPS",
            "identifier": "1134459217",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Dinesh Nagar, M.D.
• Navyata Nagendra Kumar
• Jasdeep Nagina
• Bhakti Umesh Naik
• Taylor Nakashima, DDS
• Hasmin Eve Nales, RN
• Savita Saraswathi Nallapa, M.D
• Nalls Foundation
• Nana's House Solano
• Nana's House Solano

• Rehabilitation Practitioner in Fairfield, CA
• Providers in Fairfield, CA by specialty
• Rehabilitation Practitioner in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 23, 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.