Individual provider Active NPI

Grace Eun Kwon, D.O.

  • Psychiatry Physician
  • Tustin, CA
National Provider Identifier
1326347873
Registry record updated May 7, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Psychiatry PhysicianTaxonomy code 2084P0800X
License
20A12013 Issued in CA
Practice address
17452 Irvine Blvd Ste 213
Tustin, CA 92780-3031
Phone
(714) 371-6977
Fax
(800) 836-2401
NPI assigned
Mar 23, 2011
Last updated
May 7, 2026By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on May 7, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Psychiatry Physician 2084P0800X 20A12013 CA Primary
Addiction Psychiatry Physician 2084P0802X 20A12013 CA

Addresses

Primary practice location

17452 Irvine Blvd Ste 213
Tustin, CA 92780-3031

Mailing address

10212 Cowan Heights Dr
Santa Ana, CA 92705-1566
Phone (310) 753-5805

Other identifiers 2

IdentifierTypeStateIssuer
008059045OtherCTKWON MEDICAID
D400248447OtherCTKWON MEDICARE

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20160908000250 CA Practitioner - PsychiatryPractitioner - Internal Medicine 3971811159 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
PsychiatryAlso: Internal Medicine
Education
Other, 2010
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Grace Kwon CorporationGroup PAC ID 4688160476, 2 clinicians

Practice addresses (Care Compare)

Tustin, CA 92780
Phone (657) 346-2080

4631 Teller Ave
Suite 100
Newport Beach, CA 92660-8105
Phone (949) 887-7187

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Osteopathy

State licenses

LicenseStateTypeSpecialty
20A12013CAMDPsychiatry Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Grow Healthcare Group PC Psychiatry CurrentSince Aug 8, 2025 Accepting new patients
Grace Kwon Corporation Psychiatry CurrentSince Nov 1, 2025 Accepting new patients
Harbor Psychiatry & Mental Health, Professional Corporation Psychiatry CurrentSince Dec 5, 2020 Accepting new patients

Locations

4631 Teller Ave
Newport Beach, CA 92660
Phone (949) 292-1881

4631 Teller Ave
Ste 100
Newport Beach, CA 92660
Phone (949) 335-7500

99 Almaden Blvd
Ste 600
San Jose, CA 95113
Phone (408) 402-4385

1950 E 17th St
Ste 150
Santa Ana, CA 92705
Phone (714) 547-4300

17452 Irvine Blvd
Ste 213
Tustin, CA 92780
Phone (657) 346-2080

66 W Flagler St
Ste 900
Miami, FL 33130
Phone (786) 244-7711

Organizations & group practices 3

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.

NPI Registry JSON

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

{
    "created_epoch": "1300838400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1778112000000",
    "number": "1326347873",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "10212 COWAN HEIGHTS DR",
            "city": "SANTA ANA",
            "state": "CA",
            "postal_code": "927051566",
            "telephone_number": "310-753-5805",
            "fax_number": "800-896-2401"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "17452 IRVINE BLVD STE 213",
            "city": "TUSTIN",
            "state": "CA",
            "postal_code": "927803031",
            "telephone_number": "714-371-6977",
            "fax_number": "800-836-2401"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KWON",
        "first_name": "GRACE",
        "middle_name": "EUN",
        "credential": "D.O.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2011-03-23",
        "last_updated": "2026-05-07",
        "certification_date": "2026-05-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "CA",
            "license": "20A12013",
            "primary": true
        },
        {
            "code": "2084P0802X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Addiction Psychiatry",
            "state": "CA",
            "license": "20A12013",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "KWON MEDICAID",
            "identifier": "008059045",
            "state": "CT"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "KWON MEDICARE",
            "identifier": "D400248447",
            "state": "CT"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Tustin, CA

Sources for this page

Verify at the official NPI Registry.