KT Psychology Group PC

Primary specialty

Clinical PsychologistTaxonomy code 103TC0700X

Legal business name

KT PSYCHOLOGY GROUP PC

Practice address

500 N State College Blvd Ste 1100
Orange, CA 92868-1625

Phone

(949) 866-3392

NPI assigned

Mar 19, 2026

Organization subpart

No

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

Authorized official

Name

Krystianna Nguyen, PH. D.NPI 1922585793

Title

President

Phone

(949) 866-3392

Specialties & licenses 5

Addresses

Medicare fee-for-service enrollment

Enrolled in CA

Enrollment records 1

Practitioners 1

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

• Krystianna Nguyen, PH. D.

  • Clinical Psychologist
  • Orange, CA
  • NPI 1922585793
  Medicare reassignment NPD Authorized official

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

{
    "created_epoch": "1773878400000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1773878400000",
    "number": "1093663668",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "8235 ROCHESTER AVE STE 110",
            "city": "RANCHO CUCAMONGA",
            "state": "CA",
            "postal_code": "917300719",
            "telephone_number": "949-866-3392"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "500 N STATE COLLEGE BLVD STE 1100",
            "city": "ORANGE",
            "state": "CA",
            "postal_code": "928681625",
            "telephone_number": "949-866-3392"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "8235 Rochester Ave Ste 110",
            "address_purpose": "LOCATION",
            "city": "Rancho Cucamonga",
            "state": "CA",
            "postal_code": "917300719",
            "country_code": "US",
            "telephone_number": "949-866-3392",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "organization_name": "KT PSYCHOLOGY GROUP PC",
        "organizational_subpart": "NO",
        "enumeration_date": "2026-03-19",
        "last_updated": "2026-03-19",
        "certification_date": "2026-03-12",
        "status": "A",
        "authorized_official_last_name": "NGUYEN",
        "authorized_official_first_name": "KRYSTIANNA",
        "authorized_official_title_or_position": "PRESIDENT",
        "authorized_official_telephone_number": "949-866-3392",
        "authorized_official_credential": "PH. D."
    },
    "taxonomies": [
        {
            "code": "103T00000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Psychologist",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "103TA0700X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Psychologist, Adult Development & Aging",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "103TB0200X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Psychologist, Cognitive & Behavioral",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "103TC0700X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Psychologist, Clinical",
            "state": null,
            "license": null,
            "primary": true
        },
        {
            "code": "103TC2200X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Psychologist, Clinical Child & Adolescent",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Cyndy Krepps-Hoffer, CPNP
• Ravi Krishnan, MD
• Sendhil K Krishnan, MD, FACC
• Hayley Kristinsson, PSYD
• David R Kritz, MD
• Odelia A Ku
• Stephanie Rodriguez Kua, MD
• Edward C Kuan, MD
• Jason Chuan-Jae Kuan
• Ryan Kubo

• Clinical Psychologist in Orange, CA
• Providers in Orange, CA by specialty
• Clinical Psychologist in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 19, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.