Jillian Hynynen, LCSW

Primary specialty

Clinical Social WorkerTaxonomy code 1041C0700X

License

117609 Issued in CA

Practice address

17541 Irvine Blvd Ste E
Tustin, CA 92780-3158

Phone

(949) 237-2925

NPI assigned

Sep 3, 2024

Sex

Female

Sole proprietor

Yes

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

Specialties & licenses 1

Addresses

Other names 1

• Jillian Bryant Former name

Electronic endpoints 1

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not 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 and National Provider Directory roles.

• Jillian Hynynen, Licensed Clinical Social Worker, Inc.

  • Clinical Social Worker
  • Tustin, CA
  • NPI 1538999297
  NPD Authorized official

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

{
    "created_epoch": "1725321600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1750291200000",
    "number": "1558196428",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "25 TIARA",
            "city": "IRVINE",
            "state": "CA",
            "postal_code": "926145383",
            "telephone_number": "703-598-8036"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "17541 IRVINE BLVD STE E",
            "city": "TUSTIN",
            "state": "CA",
            "postal_code": "927803158",
            "telephone_number": "949-237-2925"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HYNYNEN",
        "first_name": "JILLIAN",
        "credential": "LCSW",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2024-09-03",
        "last_updated": "2025-06-19",
        "certification_date": "2025-06-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "CA",
            "license": "117609",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "OTHERS",
            "endpointTypeDescription": "Other URL",
            "endpoint": "https://hushforms.com/nourish-secure-file-transfer",
            "affiliation": "N",
            "endpointDescription": "Secure web form for receiving confidential client information",
            "use": "OTHER",
            "useDescription": "Other",
            "useOtherDescription": "Protected health information",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "Protected health information",
            "address_1": "26431 Crown Valley Pkwy Ste 260",
            "city": "Mission Viejo",
            "state": "CA",
            "country_code": "US",
            "postal_code": "926917201",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": [
        {
            "first_name": "JILLIAN",
            "last_name": "BRYANT",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

• HW Physical Therapy (Specialized Physical Therapy)
• Henry Hwang, D.C., L.AC.
• Nathan Hwang
• Thomas C Hwang, M.D.
• Youngeun Hwang
• Rebecca Jane Hyrkas, CMPSS
• Ashley Giselle Ibarra
• Lupe S Ibarra, PHARMACY TECHNICIAN
• Rodney Ida, D.D.S.
• Ideal Spine & Rehab

• Clinical Social Worker in Tustin, CA
• Providers in Tustin, CA by specialty
• Clinical Social Worker in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 19, 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.