Alyssa Nguyen

Primary specialty

Occupational TherapistTaxonomy code 225X00000X

License

23172 Issued in CA

Practice address

3186 Airway Ave Ste a
Costa Mesa, CA 92626-4650

Phone

(714) 881-0427

NPI assigned

Jan 31, 2019

Last updated

Dec 10, 2025By the provider in NPPES

Sex

Female

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Enrolled in CA

Enrollment records 1

Specialty

Occupational Therapist in Private Practice

Education

Other, 2021

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

State licenses

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.

• Orthopaedic and Neurological Rehabilitation, Speech Pathology, Inc

  • Rehabilitation Clinic/Center
  • Tustin, CA
  • NPI 1548940885
  NPD
• Orthopaedic and Neurological Rehab Inc

  • Rehabilitation Clinic/Center
  • Billings, MT
  • NPI 1225496540
  NPD
• ABA Basics, Inc.

  dba 1st Step Learning Partners

  • Behavior Analyst
  • Huntington Beach, CA
  • NPI 1215433131
  NPD (past)

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

{
    "created_epoch": "1548892800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1765324800000",
    "number": "1386109601",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3186 AIRWAY AVE STE A",
            "city": "COSTA MESA",
            "state": "CA",
            "postal_code": "926264650",
            "telephone_number": "714-595-0471"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3186 AIRWAY AVE STE A",
            "city": "COSTA MESA",
            "state": "CA",
            "postal_code": "926264650",
            "telephone_number": "714-881-0427"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "NGUYEN",
        "first_name": "ALYSSA",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2019-01-31",
        "last_updated": "2025-12-10",
        "certification_date": "2025-12-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "106E00000X",
            "taxonomy_group": "",
            "desc": "Assistant Behavior Analyst",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "225X00000X",
            "taxonomy_group": "",
            "desc": "Occupational Therapist",
            "state": "CA",
            "license": "23172",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Nguyen and Reagan Dental Corporation (Pacific Harbor Dental Group and Orthodontics)
• Nguyen Dazzling Smile Dental Group Corp
• Cristian James Nguyen Gallardo
• Alexandria Nguyen
• Alissa Nha Thanh Nguyen
• An Thi-Ngoc Nguyen, D.O.
• Ane Nguyen
• Anh Tuyet Nguyen, PHARMD
• Ann Nguyen
• Ann Kim Nguyen, RN

• Occupational Therapist in Costa Mesa, CA
• Providers in Costa Mesa, CA by specialty
• Occupational Therapist in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 10, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.