Individual provider Active NPI

Vivian Gregorchuk, OTR/L

  • Mental Health Occupational Therapist
  • Santa Ana, CA
National Provider Identifier
1568713329
Registry record updated Jul 23, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Mental Health Occupational TherapistTaxonomy code 225XM0800X
License
14171 Issued in CA
Practice address
6 Hutton Centre Dr.
#400
Santa Ana, CA 92707
Phone
(714) 241-5600
Fax
(415) 551-1763
NPI assigned
Sep 19, 2012
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jul 23, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Mental Health Occupational Therapist 225XM0800X 14171 CA Primary

Addresses

Primary practice location

6 Hutton Centre Dr.
#400
Santa Ana, CA 92707

Mailing address

6 Hutton Centre Dr.
#400
Santa Ana, CA 92707
Phone (714) 241-5600

Other names 1

  • Vivian Li Former name

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled

State licenses

LicenseStateTypeSpecialty
14171CAMDPrimary Care Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Occupational Therapy Training Program San Francisco Past Accepting new patients
Special Service for Groups, Inc. Past Accepting new patients

Organizations & group practices 2

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.

NPI Registry JSON

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

{
    "created_epoch": "1348012800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1753228800000",
    "number": "1568713329",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6 HUTTON CENTRE DR.",
            "address_2": "#400",
            "city": "SANTA ANA",
            "state": "CA",
            "postal_code": "92707",
            "telephone_number": "714-241-5600",
            "fax_number": "415-551-1763"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6 HUTTON CENTRE DR.",
            "address_2": "#400",
            "city": "SANTA ANA",
            "state": "CA",
            "postal_code": "92707",
            "telephone_number": "714-241-5600",
            "fax_number": "415-551-1763"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GREGORCHUK",
        "first_name": "VIVIAN",
        "credential": "OTR/L",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2012-09-19",
        "last_updated": "2025-07-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "225XM0800X",
            "taxonomy_group": "",
            "desc": "Occupational Therapist, Mental Health",
            "state": "CA",
            "license": "14171",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "VIVIAN",
            "last_name": "LI",
            "credential": "OTR/L",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Santa Ana, CA

Sources for this page

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